INSTITUTE OF SCIENCE & TECHNOLOGY ASSIGNMENT QUESTION FOR ODD SEMESTER-2016

DIPLOMA-1ST SEM – (CST+ETCE+EE+ME+CE)

PAPER NAME : - APPLIED CHEMISTRY

PAPER CODE : AC 1. Show the bonding between different atoms of the following molecules or ions O2,N2,H2O,CaO,NH4

+. 2. The electronic configuration of an atom is 1S2 2S2 2P4. Predict the period and group in which the atom

belongs. What is its valency? Describe the Aufbau principle. Why 4s orbital filled first than 3d orbital? 3. What do you mean by Hydrogen bond. Explain intra&inter molecular hydrogen bonding with their effects in

physical properties of compounds. 4. (i) 200 ml of 5(N) H2SO4 is mixed with 800 ml of distilled water. Express the strength of the resulting solution.(ii)

25 ml of H2SO4 is required to neutralize 20 ml of 1.5(N/10) Na2CO3 solution. Calculate the strength in normality and molarity.

5. What is the difference between an ore and mineral? Name one important ore of alluminium and write down its formula. Write down the principle (description is not required) of extraction of copper by self reduction process.

6. Give the differences between crystalline and amorphous solid. Give example each of an ionic solid, covalent solid, molecular solid and metallic solid. Draw the diagram of unit cell of NaCl crystal.

7. What is electroplating? State two uses of electroplating. Explain whether same products will be obtained at the electrodes during electrolysis of CuSO4 solution with Cu-electrode and Pt-electrodes.

8. FeCl3 solution in water is acidic-Give reasons. Give Lewis concept of acids and bases with suitable examples. How does an acidic or a basic buffer solution function to maintain a constant pH.

9. State and explain the Faraday`s 1st and 2nd law of Electrolysis and give the combination law of this two. 10. State Le-Chatelier`s principle.What physico-chemical principles involved in industrial preparation of sulphuric acid by Contact process.

PAPER NAME : MATHEMATICS

PAPER CODE:MTHS

Answer the following question:

A. If 𝜔 𝑏𝑒 𝑎𝑛 𝑖𝑚𝑎𝑔𝑖𝑛𝑎𝑟𝑦 𝑐𝑢𝑏𝑒 𝑟𝑜𝑜𝑡 𝑜𝑓 𝑢𝑛𝑖𝑡𝑦 𝑎𝑛𝑑 𝑎 + 𝑏 + 𝑐 = 0, 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 (𝑎 + 𝑏𝜔 + 𝑐𝜔2)3 + (𝑎 + 𝑏𝜔2 +𝑐𝜔) 3 = 27𝑎𝑏𝑐

B. If x+1

𝑥= 2𝑐𝑜𝑠

𝜋

5 then show that 𝑥5 +

1

𝑥5= -2

C. If α be the root of the quadratic equation 4𝑥2 + 2𝑥 − 1 = 0, 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 4𝛼3 − 3𝛼 𝑖𝑠 𝑡ℎ𝑒 𝑜𝑡ℎ𝑒𝑟 𝑟𝑜𝑜𝑡

D .prove that the coefficient of 𝑥𝑚 in the expansion of(1 + 𝑥)2𝑚 is twice the coefficient of 𝑥𝑚 in the expansion of(1 +𝑥)2𝑚−1

E.If A+B+C=𝜋 show that cotBcotC+cotCcotA+cotBcotA=1

F. If A and B are positive acute angle and cos2A=3𝑐𝑜𝑠2𝐵−1

3−𝑐𝑜𝑠2𝐵 ,show that tanA=√2tanB

G. If the points (1, 1), (0, y) and (x, 0) are collinear then show that 1

𝑥+

1

𝑦= 1.

PAPER NAME : - APPLIED PHYSICS

PAPER CODE : AP 1. Write down Einstein’s photoelectric equation with meaning of symbols used. Can a concave lens form

real image? - Explain.

2. Find out the dimension of energy and universal gravitational constant.

Write down the limitations of dimensional analysis..

3. If the volume of a wire remains unchanged when subjected to a tensile strain, show that its Poisson’s

ratio will be ½.

4. If the longitudinal strain produced in a wire be 1%, find the volume strain of the wire. Given Poisson’s

ratio is equal to 0.3.

5. Define the terms stress and strain. Write down their SI units.

6. Write down the Einstein’s photoelectric equation and its assumptions.

7. The density of a substance at 200C and 700C are 2600 kg/m3 and 2596 kg/m3 respectively. Find the

coefficient of linier expansion of the substance.

8. State the first law of thermodynamics. Find the ratio of adiabatic bulk modulus and isothermal bulk

modulus of a gas. What is adiabatic process?

9. What do you mean by adhesive force and cohesive force? Which force out of this is responsible for

surface tension? State Jurin’s law.

10. State zeroth law of thermodynamics. What do you mean by internal energy of a gas? What is isochoric

process?

PAPER NAME: - COMMUNICATION SKILLS – I

PAPER CODE: - CS -I, 1. Develop a paragraph describing how tea is processed by using the following topics.

Tender leaves collected from the garden – taken to factory – cleaned and sorted – cut into

pieces – kept in a dark and hot room for scent and colour – again sorted with sieve – packed

– sent to market.

2. There has been significant decline in the business of the urban branches of a nationalised bank. A

committee of five Regional Managers has been appointed to look into the causes. Write a report

recommending computerisations of the branches and customer relations training for the staff.

3. Assume that you are the President of your hostel. You have been facing and receiving several

problems regarding various issues in your hostel. The issues are as follows: a) Tasteless and

unhygienic food b) Filthy washrooms c) Night time security within the premises.

4. Write a paragraph stating your views on : Environmental pollution

5. Develop a paragraph from the information given below :

Problem: Population explosion in India

Causes: Sharp fall in death rate due to improved medical and health care

facilities. No substantial fall in birth rate due to illiteracy, practice of early marriage, religious

and social attitudes.

Effects: Poverty. Unemployment, poor standard of living.

6. Write a process description for publishing of newspaper.

STAGE –I -- Sub editors for – rewording etc.

STAGE –II – Chief-sub-editor – thoroughly revise – if required.

STAGE –III – Pre-press department – making...... doing......

STAGE –IV – Machine department → .........→ .......→......

7. What is communication? What are functions of communication?

8. Write some principles of communication.

9. What is listening? Mention some ways to improve your listening skills.

10. What is note taking? What are the importances of note-taking? How to take a good note?

PAPER NAME: - COMPUTER FUNDAMENTALS

PAPER CODE: - CMF 1. Define and hardware with software example.

2. What is web browser? Discuss with example.

3. Discuss about search engine with example.

4. Write down the Steps for creating an Email ID .

5. What are the use of monitor,printer,storage devices,scanner and ups.

6. Discuss about uses of computer in real life.

7. Discuss about the railway reservation and flight booking process.

8. Discuss about role of computer in industries and education institutions?

9. Discuss about evolution of computer.

10. Discuss about various application of ms office.

PAPER NAME: ENGINEERING MECHANICS

PAPER CODE: EM 1. State and prove

a. Parallelogram law of force.

b. Polygon law of forces.

c. Two forces act at an angle of 1200.The bigger force is 60N & the resultant is perpendicular to

smaller one, find the smaller force.

2. State and prove varignon’s Theorem of coplanar forces.

3. An oil drum of 50cm dia & 2m long is to be rolled across a footstep of 10cm high. Find the minimum

push required at the top of the drum. Take density of oil as 1.5kg/lit.Neglect weight of the drum.

4. A uniform rod of 10m length has self weight of 5 kN. The rod carried a weight of 30kN hung from one

of its end. From what point each the rod to be suspended so that the rod remain horizontal.

5. Describe the following

a. Angle of friction

b. Angle of repose

c. A body resting on a rough horizontal plane, required a pull of 100N inclined at 300to the plane

just to move it.It was found that a push of 150 N inclined at 300 to the plane just to move it.

Determine the weight of the body & the co-efficient of friction.

6. State the law of relating to static friction. An uniform ladder of 3.5 m long rests on a horizontal ground

floor & lean against a smooth vertical wall at angle of 600with the horizontal. The weight of the ladder

is 400N acts at the middle.The ladder is at the point of sliding,when a man weighing 200N stands on a

rung of 1.2 m from the bottom of the ladder. Calculate the co-efficient of friction between the ladder &

the floor.

7. Define centroid . How does it differ from centre of gravity.

8. What do you mean by the term

a. Centre of gravity & centreoid.

b. Centre of mass

9. In differential pulley block, A load of 1000 N is raised by an effort of 200N. The no of teeth on the larger

and smaller block are 16 & 14respectively. Find the velocity ratio, mechanical advantage and efficiency

of machine.

10. In a simple machine, whose velocity ratio is 55, a load of 1500N is lifted by an effort of 250N & a load

of 2500N is lifted by an effort of 300N. Find the law of the machine. Also calculate the load that can be

lifted by an effort of 350N.

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DIPLOMA-3RD SEM

(CST)

PAPER NAME : DISCREATE MATHEMATICS

PAPER CODE: DMTHS Answer the following questions :

1. Define equivalence relation. What is anti symmetric relation? 2. Define bijection, surjection and injection and their relation

3 Prove that an equivalence relation 𝜌 on a set S is determine partition of S 4. Explain the graph coloring problem and write the algorithm 5. Define Lattice and describe equivalence classes 6. Define equivalence relation. What is anti symmetric relation? 7. Write down the truth table for conditional and bi conditional proposition

PAPER NAME: COMPUTER PROGRAMMING

PAPER CODE: CP Answer all the following questions

1. Write a C program for to take input of a number and find the sum of all the digits of that number.

2. Write c Program to implement the following pattern:

1

2 3

4 5 6

7 8 9 10,

3. Write a C program to find the H.C.F and L.C.M of two given numbers.

4. Write down a C program to find the sum of the following series.

12 + (12 +22) + (12 +22+32) +………………up to n terms.

5. What are the different types of storage class in C? What is the differences between BREAK and

CONTINUE.

6. Write a Recursive C function for computing the value of Xn for any given values X and n.

7. Explain Call by value and Call by reference with the help of a program.

8. Write a C program to find weather a sting is Palindrome or not?

9. Write down the difference between Structure and union. What are the different functions for dynamic

memory allocation?

10. Write short notes on the followings:

a. Modes available in C to open file

b. Strcat() and Strcmp()

c. Global and local variable

11. Write C program that reverse the elements of a given array.

PAPER NAME: COMPUTER ARCHITECTURE

PAPER CODE: COAR 1. Consider a pipelined system with four stages: IF, ID, EX, WB. The following chart shows the clock cycles required by instruction to

complete each stage. How many clock cycles are required to complete the instructions?

Instructions Fetch(IF) Decode(ID) Execute(EX) Write Back(WB)

I0 1 1 2 1

I1 2 2 3 1

I2 2 2 2 2

I3 2 1 1 1

I4 3 2 1 2

2. Give the definition of the following for a pipeline processor- speed up factor, efficiency, throughput. Explain with example.

3. What do you mean by pipeline hazards? Describe structural hazards and the solution approaches with the help of an example.

4. Describe RISC and CISC with the help of block diagram.

5. What do you mean by hardware and microprogram control unit?

6. What is cache Memory? What are the types of it? Describe hit ratio and miss ratio.

7. Give the IEEE standard for floating point numbers for single precision number.

8. Show the booth’s multiplication algorithm from the given numbers M= -6 and Q=7.

9. Describe the Booth’s algorithm with a suitable architectural diagram.

10. Write short notes(any two):

i) Generating of Computer.

ii) CPU

iii) Integer number representation in computer.

iv) Memory Hierarchy.

11. What do you know about von-numan architecture? Discuss about bottleneck of von-numan architecture.

12. Write down the different types of Addressing modes and their operations.

13. Find the difference in between virtual memory and cache memory.

14. Short notes:

a.Floppy disk and hard disk.

b.Magnetic tapes

c.CD-ROM

d.EPROM

15. write a short notes on

a.Scanner.

b.digitisers.

c.VDU

d.printer.

16. Booth’s Multiplication of (6*4).Division of(5/2).

17. Explain Different types of generation of Computer?

18. Explain Different types of Register with their functional diagram.

PAPER NAME: - DATA STRUCTURE

PAPER CODE: - DSC 1. Show the operation of merge sort

70 40 10 90 50 50 95 55 15 65

2. Short note on binary search.

3. Compare array and link list.

4. What is stack? What is abstract data type?

5. Define big o notation. Algorithm of insertion sort.

6. Explain Breadth First Search (BFS) and Depth –First Search (DFS) with suitable example.

7. Write a routine to implement the circular queue(insertion and deletion).

8. Write an algorithm to reverse a linked list.

9. Compare the Marge sort and Quick sort with suitable example.

10. Write routines to implement insertion and deletion of double link list (first,middle position).

11. Construct a binary tree in order and preorder traversals of a binary tree produce the following

sequences (step by step):

a. In order sequence: D,G, B,A,H,E,C,I,F

b. Pre-order Sequence:A,B,D,G,C,E,H,F,I

12. Construct an AVL tree with the input given bellow step by step:

12,22,33,25,7,4,26,28,21

PAPER NAME: ELECTRONIC AND DEVICES AND CIRCUITS

PAPER CODE: EDC 1. What is pinch off voltage? Define drain resistance, Transconductance and amplification factor of FET.

Derive the relationships among them.

2. Write the short notes on – halfwave rectifier

3. Write the difference between BJT and FET

4. What is stabilization? Classify the biasing technique. Which type of biasing technique is widely used and

good stabilization? Describe this biasing with suitable circuit diagram.

5. What is the full form of MOSFET? Write the advantage of MOSFET over JFET ? Draw the symbol of p

channel JFET. Write the operation of JFET.

PAPER NAME: DIGITAL LOGIC DESIGN

PAPER CODE: DLD

1. Design half subtactor and full subtractor with truth table.

2. Implement BCD to seven segment code convertor.

3. Simplify the following Boolean function using K-Map-

F(A,B,C,D)= Σ𝑚(0,2,3,6,7) + Σ𝑑(8,10,11,15)

4. Convert the SR flipflop inyto JK flipflop

5. Implement BCD to decimal decoder.

6. Design a adder/subtractor circuit by using 4 bit binary parallal adder.explain it.

DIPLOMA-3RD SEM

(EE)

PAPER NAME: ELECTRIC CIRCUIT THEORY

PAPER CODE:ECN 1.State the Superposition Theorem and illustrate it.

2.State Norton's Theorem? Illustrate it with a dc circuit

3. State and explain Thevenin’s Theorem. Find VTH, RTHand the load current flowing through and load

voltage across the loadresistor in fig (1) by using Thevenin’s Theorem.

Fig.-1

4. State Maximum Power Transfer Theorem? Illustrate it with a circuit?

5. Find the resonant frequency of a series RLC circuit where R=10Ω, L=40mH and C=100µF.

6. In a star network each element has the value R. Find the value of each element in the equivalent delta

network.

7. Write a short note on –

Mesh Analysis and Node Analysis

8. What is Two Port Network? Explain it with an example.

PAPER NAME: PROGRAMMING CONCEPT USING C

PAPER CODE: PCC

Answer the following questions.

A. Write C tokens with a clear chart.

B. Explain four storage classes in C.

C. Briefly explain break, continue and goto statement with C program.

D. Describe the structure and function of operating system.

E. Write a C program to check a given year is leap year or not.

F. Write a C program to find the greatest among three numbers.

G. Write a C program to print the series

1-2+3-4+5-6+...............-50

H. Write a C program to print the following pattern:

*

* *

* * *

* * * *

* * * * *

I. Write a C program to calculate the factorial of a number.

J. Write a C program to calculate the simple interest of a given amount.

PAPER NAME: BASIC ELECTRONICS.

PAPER CODE: BE 1.what is the difference between ordinary diode and Zener diode? Write the application of Zener diode?

Describe it with suitable circuit diagram.

2.Define drain resistance, Transconductance and amplification factors. Deduce the relationships among them.

3.What is stabity factor?Write the classification of biasing? Which type of biasing technique is widely used and

good stabilization? Describe this biasing with suitable circuit diagram.

4.Write short notes on – TRIAC ,DIAC

5.Draw the symbol of npn transistor. Write the operation of npn transistor. Write the difference between BJT

and FET.

6. Describe the operation of centre tap full wave rectifier with suitable circuit diagram and waveform.

PAPER NAME - ELECTRICAL MEASURING INSTRUMENTS

PAPER CODE : EMI

1. Draw the circuit diagram and explain the operation of Dynamometer type instruments.

2. What is creeping in an energy meter? How it is minimized?

3. Describe the principal of measurement of power factor using 3-phase dynamometer type power

factor meter

4. Define the term

a) Accuracy

b) Precision

c) Resolution

d) Noise

e) Scale range and scale span

f) Least count

PAPER NAME : ELECTRICAL MACHINE-1

PAPER CODE:EM-1 1. Describe the armature reaction of D.C. generator?

2. Derive the expression of e.m.f. equation of D.C. generator.

3.Explain the construction of dc generator with picture? 4. A 4-pole D.C. generator has 1200 armature conductors and generates 250 V open circuit when running at speed of 500 r.p.m. The diameter of the pole-shoe circle is 0.35m and the ratio of pole arc to pole pitch is 0.7 while the length of the shoes is 0.2m. Find the mean flux density in the air gap. Assume lap connected armature winding. 5. D.C supply is used in transformer or not and give the reason of your answer. 6.Working principle of open relay connection. 7.What do you understand by demagnetising and cross magnetising effect of armature reaction of D.C machine? 7.Explain the principle of torque production in DC motor? 8.Draw the phasor diagram of Yd1 3 phase transformer.

SUB: ELEMENTS OF MECHANICAL ENGINEERING

PAPER CODE:(EME) 1. Describe the working principle of vapour compression refrigeration.

2. State working principle of room air conditioner.

3. What is importance of reversed Carnot cycle? What are the limitations of this cycle?

4. Classify the steam turbine .describe the working principle of impulse and reaction turbine?

5. What are the characteristics of high pressure boiler?

6. How boilers are classified? Explain with neat sketch of Babcock and Wilcox boiler indicating the path

of flue gases?

7. Give classification of I.C engine.

8. What are steps are needed for proper maintenance of self starter?

9. Compare S.I engine with C.I engine

10. Explain the working of four stroke C.I engine with P-V and T-S diagram.

11. Describe the working of a single stage reciprocating compressor.

12. Define: a) I.P, b) B.P, c) Mechanical efficiency, d) Isothermal efficiency, e) Free air delivered.

13. Write down the purpose and specific fields of application of air compressor and also classify the air

compressor.

14. Why reciprocating pump called a positive displacement pump?

15. What are cavitations? What are the causes of cavitations?

16. What do you mean by: a). absolute pressure b). gauge pressure

17. Explain the working principles of centrifugal pump? Explain the purpose of priming of centrifugal

pump?

18. What do you mean by hydrostatic pressure

DIPLOMA-3RD SEM

(ME)

PAPER NAME: ADVANCE STRENGTH OF MATERIALS

PAPER CODE: ASOM 1. A rectangular beam, simply supported over a span of 4m, is carrying a uniformly distributed load of 50

kN/m. Find the dimension of the beam, if depth of the beam section is 2.5 times its width. Take maximum

bending stress in the beam section as 60 Mpa.

2. At a point in a stressed element, the normal stress in two mutually perpendicular directions are 45Mpa and

25Mpa both tensile. The complementary shear stress is these directions is 15 Mpa. Determine the

maximum and minimum principle stresses.

3. Derive the strain energy stored in a body when the load is sudden applied.

4. Derive the relation when a circular bar subjected to torque τ/R=Cθ/l.

Where, τ is shear stress, R is radius of circular shaft, l is length of shaft, θ is angle of twist.

5. Derive the deflection of closely coiled helical spring when its subjected to an axial load.

6. A 2m long alloy bar of 1500 mm2 cross-section area hangs vertically and has a collar securely fixed at its

lower end. Find the stress induced in the bar, when a weight of 2 kg falls from a height of 100 mm on the

collar. Take E=120 G pa. Also find the strain energy stored in the bar.

7. A closely coiled helical spring of round steel wire 5 mm in diameter having 12 complete coils of 50 mm

mean diameter is subjected to an axial load of 100N. Find the deflection of the spring and maximum

shearing stress in the material. Modulus of rigidity (C) = 80Gpa.

8. A hollow shaft is to transmit 200 kW at 80 r.p.m. If the shear stress is not to exceed 60 Mpa and internal

diameter is 0.6 of the external diameter, find the diameters of the shaft.

9. Write the assumptions for find out the shear stress in a circular shaft, subjected to torsion.

10. A closed- coiled helical spring is required to carry a load of 150N. If the mean coil diameter is to be 8

times that of the wire, calculate the diameters. Take maximum shear stress as 100MPa

PAPER NAME: THERMAL ENGINEERING –I

PAPER CODE- TE-I 1. What are the conventional and non-conventional energy sources?

2. State and explain the law of conservation of energy.

3. Explain the concept of internal energy of gas.

4. Write down the general equation and name the different energy terms associated with it.

5. State Kelvin-Planck and clausius statement on second law of thermodynamics.

6. A fluid is compressed reversibly from a volume of 8m3 to 1m3 by the law PVn=constant. The initial

temperature and pressure of fluid is 25 C and 1 bar. Calculate the final temperature, pressure, workdone

.change in internal energy, and change in enthalpy, entropy and heat transfer. If n=1.3 , Cv =0.718

KJ/Kg K , Cp = 1.005 KJ/Kg K R= 0.287 KJ/Kg K

7. Deduce the characteristic equation of perfect gas.

8. What is isothermal process? Show the process on P-V and T-S diagram and derive an expression of

work done during isothermal process.

9. Derive the expression for work done during an isothermal process.

10. Prove that during polytrophic process (T2/T1) = (V1/V2)n-1 = (P2/P1)

(n-1)/n.

11. What is polytrophic process? Find out the work done during polytrophic process is given by (P1V1/n-1)

(1-T2/T1).

12. Explain what constant pressure process is. Represent the process on P-V and T-S diagram. Find out the

work done and heat transferred during process.

13. Explain with temperature – enthalpy diagram wet saturated steam, dry saturated steam and super heated

steam.

14. With the help of neat sketch, explain how dryness fraction of steam can be measured by combining and

separating and throttling calorimeter.

15. Write a short note on Mollier diagram. What is the importance of this diagram.

16. Explain with a neat sketch how you could determine the dryness fraction of steam with the help of

throttling calorimeter.

17. What is a limitation of finding dryness fraction of steam with the help of throttling calorimeter?

18. Derive an expression for change of entropy during isothermal process.

19. State the Fourier’s law of heat conduction. Define thermal conductivity, absorptive, reflectivity, and

Transmisssivity.

20. Explain three modes of heat transfer.

PAPER NAME : MANUFACTURING PROCESS

PAPER CODE : MP-1 1. Write Short notes on:

a.. Drop forging

b. Press forging

c. Flattening

d. Smith’s Forge

2. Describe press forging. How does it differ from drop forging?

3. Explain in brief the defects in forging?

4. What are the common allowances provided on patterns and why?

5. Discus briefly the various types of patterns used in foundry shop?

6. Define the following?

a. Core prints

b. Mould or cavity

c. Core boxes

d. Shrinkage allowance

e. Chaplets

7. What are the common materials used for making the permanent molds

8. Sketch and explain the construction and operation of a hot chamber die casting machine

9. Describe the complete step by step procedure of investment casting. What are the main advantages and

disadvantages of investment casting?

10. Explain TIG welding and MIG welding with its merits, demerits and application.

11. Describe gas welding techniques in detail?

12. Define re-crystalline temperature. Differentiate between hot and cold working.

13. Explain briefly the various methods of hot extrusion with neat sketches.

14. Discus varies types of milling operation.

PAPER NAME: FUNDAMENTALS OF ELECTRONICS.

PAPER CODE: FE 1.What is the difference between ordinary diode and Zener diode? Write the application of Zener diode?

Describe it with suitable circuit diagram.

2.Define drain resistance, Transconductance and amplification factors. Deduce the relationships among them.

3.What is stabity factor?Write the classification of biasing? Which type of biasing technique is widely used and

good stabilization? Describe this biasing with suitable circuit diagram.

4.Write short notes on – TRIAC ,DIAC

5.Draw the symbol of npn transistor. Write the operation of npn transistor. Write the difference between BJT

and FET.

6. Describe the operation of centre tap full wave rectifier with suitable circuit diagram and waveform.

PAPER NAME :ENGINEERING MATERIALS

PAPER CODE:EM

1. Write short-notes on the followings:

a) Brittleness

b) Fatigue ,

c) Hardenability ,

d) Electrical conductivity

e) Thermal conductivity

2. Define alloy steel. Why the alloying elements are added to steel?

3. Explain the effect of nickel, chromium and cobalt on the properties of steel.

4. Explain with the help of a diagram, the following heat treatment process –

(i) Annealing, (ii) hardening, (iii) normalizing

5. What is powder metallurgy? Give a brief description of powder metallurgical process with the aid of a block

diagram.

6. What are the different types of plastics? State their properties.

7. Name the synthetic rubbers which are commonly used. Explain any one of them.

8. State the difference between destructive and non- destructive test of a specimen.

9. Explain the stress- strain diagram of a ductile material.

10. with reference to Iron-Carbon phase diagram, explain the following :-

i) α-ferrite ii) austenite iii) pearlite iv) cementite

11. What is eutectoid? What is the composition of eutectoid steel?

12. Describe aluminium casting alloys and Y-alloy in brief.

13. How is copper obtained? What are its properties and uses?

14. Write short-notes on the followings:

i) gray cast iron, ii) white cast iron, iii) chilled cast iron, iv) malleable cast iron.

DIPLOMA-3RD SEM

(CE)

PAPER NAME: SURVEYING

PAPER CODE: SURV 1. The following particular were noted while measuring the area of a figure with a planimeter.

a) IR and FR were 8.652 and 6.798 respectively.

b) the tracing arm was set to the natural scale.

c) the zero of the dial passed the index mark once in the antilock wise direction.

d)Constant c=20

e) scale of the map is 1cm=10m

f) the anchor point was inside the fig

b) what is planimeter ?

2. a steel tape was exactly 30 m long at 20oc when supported throughout its length under a pull of 10kg. A line was

measured with this tape under a pull of 15 kg and at a mean temperature of 32oc and found to be 780 m long the

cross section area of the tape =0.03m2and its weight =0.693kg.ᾰ=11×10-6per oc and E for steel

2.1×106kg/cm2.compute the true length of the line if the tape was supported during the measurement i)at every

30m ii)at every 15m

3. a) What is closing error in a traverse ? Describe with a sketch how such an error is adjusted.

b)what are bench mark. 4. a)What are the

different methods of contouring ? Describe any one of them with sketch.

b)what is grade contour describe along with sketch.

5. 15.the following consecutive reading were taken with a levelling instrument at interval of a 20m

2.375,1.730,0.615,3.450,2.835,2.070,1.835,0.985,0.435,1.630,2.255 and 3.630 m

The instrument was shifted after the fourth and eight reading. The last reading was taken on BM of RL 110.200m

find the RL of point

6. a) what is the principle of chain surveying?

b) When is chain survey is recommended?

c) When chain survey is inconvenient? in case of plane table surveying be described ?

7. a)What is the fundamental difference between surveying and levelling ?

b)Write short note on Sensitiveness of bubble tube

8. The following are the bearings observed in traversing with a compass in an area where local attraction was

suspected. Calculate the interior angles of the traverse and correct them if necessary.

Line Fore bearing Back bearing

AB 191O45’ 13O

BC 39O30’ 222O30’

CD 22O15’ 200O30’

DE 242O45’ 62O45’

EA 330O15’ 147O45’

9. Describe following processes in plane table survey with relative merits and demerits :

a) Orientation by magnetic needle and by back sighting.

b)What are the different accessories of plane table surveying ?

10 . a) what is orientation? why is it done?

b)Method of plane tabling by radiation and intersection.

.11. Write short notes on any four of the following :

a) Levelling staff

b) Compensating and cumulative error in chaining

c) Optical square

d) Fly levelling

e) Isogonic and agonic lines

12. Write short notes on any four of the following :

a) Sensitiveness of a bubble tube

b) Reconnaissance survey

c) Local attraction

d) Merits and demerits of plane table survey

PAPER NAME: BUILDING MATERIALS & CONSTRUCTION

PAPER CODE: BMC 1. Define the term foundation. Explain the purpose of providing foundation. What is ultimate bearing capacity?

Explain various methods of site exploration. What is substructure? 2. (a)Explain the terms: i. Header course ii. Stretcher course iii. Lintel

(b)What points should be observed while supervising the brick work? (c )Briefly explain followings i. Garden wall bond ii. King closer iii. Queen closer

3. (a)Classify mortar and write short notes on each of the classification. (b) Definition of mortar. Ratio of sand water cement in mortar used for fire clay bricks. State use of asphalt. What is composite masonry?

4. Write the principles of job layout? What are methods of termite treatment? Describe anyone what are the conditions of stability which should satisfy for retaining wall? What are veneers?

5. Discus in brief about providing damp proof course at the plinth level? Explain the causes of dampness in brief. Write the process of damp proofing of roofs. Write one objective of painting.

6. (a)Classification of termite. State the two methods of termite treatment explain the various methods of damp-proofing (i) Flat roofs (ii) Pitched roofs. (b)What precautions should take before giving water-proofing treatment with bitumen felt to building situated in a coastal region with very heavy rainfall?

7. (a)Write the general measures taken for prevention of cracks? (b)Mention three reasons for which falling of plaster occur? (c)What is ashlars stone masonry? (d)Describe in detail composition and construction of artificial stone flooring?

8. What are the main components of plain cement concrete? Describe the properties of each in detail. What is the chemical component of cement? What are the different types of cements? Write properties of each.

9. Write down the advantages r.c.c. constructions have over other constructions? Why only steel has been adopted as reinforcing material? What are its various types? Explain the theory of bending in r.c.c . Explain the terms i. Natural axis

10. What is door? draw a neat sketch of door and window frame and name its various parts? Define following terms i. hold fast ii. louver

iii. ventilators iv. hinges v. Rolling shutter door

11. (a) Define stairs ?

(b)Write the definitions of followings i. Riser ii. Tread iii. Nosing iv. Head room v. Soffit (c )State the requirements of a good stair

PAPER NAME: CONCRETE TECHNOLOGY

PAPER CODE:CT 1. Write short notes on the following :

a) Surface hardness test

b) Mix design of concrete

c) Setting time of cement.

2. What do you mean by uniform graded aggregate, well graded aggregate and gap graded aggregate?

3. Name some empirical tests to measure workability and explain their suitability?

4. What are the factors affecting workability of concrete? Explain briefly.

5. Write short notes on any one of the following:

a) Fibre reinforced concrete

b) Polymer concrete.

6. What are the different tests conducted on hardened concrete? Explain.

7.What are the factors that influence the strength of cement concrete ? Briefly discuss the effects of water

cement ratio and workability on the strength of concrete.

8. What are the different tests conducted on hardened concrete? Explain.

9. What is shrinkage? What factors promote shrinkage? What precautions will you take to reduce it ?

10. a) What are design stipulations for design of concrete mix ? What test data for materials are required for the

design?

b) Describe in steps concrete mix design by the I.S. code method.

PAPER NAME: MECHANICS OF STRUCTURE

PAPER CODE: MOS 1. In an experiment, a bar of 30mm dia. Is subjected to a pull of 60 KN .The measured extension on gauge length of

20 mm is 0.09 mm and the change in diameter is 0.0039 mm. Calculate the Poisson’s ratio and values of the three

moduli.

2. A plane element in a boiler is subjected to tensile stresses of 400 Mpa an one plane and 150 Mpa on the other at

right angles to the former .Each of the above stresses is accompanied by a shear stress of 100 Mpa such that when

associated with the minor tensile stress tends to rotate the element in anticlockwise direction. Find

a) Principal stresses and their directions

b) Maximum shearing stresses and the directions of the plane on which they act.

3. Find the total strain energy stored in the bar , when it is subjected to a gradual load of 70 KN . Also find the total

strain energy stored in the bar , when the bar is made of uniform cross section of the volume under the same load.

Take E=200Gpa.

4. A rectangular body 400mmx50mmx40mm is subjected to a shear stress of 60 Mpa. Calculate the strain energy

stored in the body . Take C= 80Gpa. Define – proof resilience and modulus of resilience.

5. What is frame ? classify frame. Write assumptions taken for forces in the members of a perfect frame.

6. A simply supported beam of 3m span carries two loads of 5KN each at 1m and 2m from the left hand support.

Draw the shear force and bending moment diagrams for the beam.

7. An overhanging beam ABC loaded with 4.5 KN/m with whole beam. Distance between A and B is 3m and B to

C is 1m. Calculate point contra flexure.

8. A beam of square section is used as a beam with one diagonal horizontal . Find the maximum shear stress in the

cross section of the beam . Also sketch the shear stress distribution across the depth of the section.

9. A hollow rectangular masonry pier is 1.2m x 0.8 m wide and 150mm thick. A vertical load of 2 MN is transmitted

in the vertical plane bisecting 1.2m side and at an eccentricity of 100mm from the geometric axis of the section.

Calculate the maximum and maximum stress intensities in the section.

10. Derive an expression for deflection of a cantilever beam with a gradually varying load. A simply supported

beam of 2m span carries a point load of 20 KN at its mid point. Determine the maximum slope and deflection of

the beam. Take flexural rigidity of the beam as 500x109 N-mm2.

11. A continuous beam is simply supported over three spans, such that AB=8m,BC=12m and CD=5m.It carries u.d.l

of 4 KN/m in span AB, 3 KN/m in span BC and 6 KN/m in span CD . Find the moments over the supports B and

C.

12. What is pure torsion? Write pure bending equation with notations. A solid shaft is subjected to a torque of 1.6

KN-m. Find the necessary dia. Of the shaft, if the allowable shear stress is 60 Mpa. The allowable twist is 10 for

every 20 diameters length of the shaft. Take C = 80Gpa.

13. Find the Euler,s crippling load for a hollow cylindrical steel column of 38 mm external diameter and 25 mm thick.

Take length of the column as 2.3 m and hinged at its both ends . Take E= 205 Gpa. Also determine crippling load

by Rankine formula using constants as 335 Mpa and 1/7500.

PAPER NAME: HYDRAULICS

PAPER CODE: HDL 1. Define the following fluid properties:

Density, specific volume and specific gravity, vacuum pressure.

2. Define surface tension. Prove that the relationship between surface tension and pressure inside a droplet of liquid

in excess of outside pressure is given by p=4σ/d.

3. Assuming that the bulk modulus of elasticity of water is 2.07 x106 KN/m2 at standard atmospheric conditions,

determine the increase of pressure necessary to produce 1% reduction in volume at the same temperature.

4. What are the gauge pr. and absolute pr. at a point 3m below the free surface of a liquid having a density of

1.53x103 kg/m3 if the atmospheric pressure is equivalent to 750mm of mercury? The specific gravity of mercury

is 13.6 and density of water =1000 kg/m3.

5. Find the head lost due to friction in a pipe of diameter 300mm and length 50m,through which water is flowing at

a velocity of 3m/s using i) Darcy formula ii) chezy,s formula

6. The rate of flow of water through a horizontal pipe is 0.25 m3/s. The dia. Of the pipe which is 200 mm is

suddenly enlarged to 400mm .The pr. intensity in the smaller pipe is 11.772 N/cm2.Determine i) loss of had due

to sudden enlargement ii) pr. intensity in the large pipe iii) power lost due to enlargement.

7. A trapezoidal channel has side slope 1 in 1. It is required to discharge 15 m3/s of water with a bed gradient 1 in

1000. If unlined the value of Chezy’s C is 44. If lined with concrete its value is 60. The cost per m3 of

excavation is three times the cost of lining. The channel is to be most efficient one. Find whether the lined canal

or the unlined canal will be cheaper. What will be the dimension of that most economic channel.

8. Derive Bernoulli’s equation from the fundamentals. What is flow net? Mention the assumptions made.

9. What is turbine? How will you classify the turbine.

10. What is pelton turbine? Discuss diff. parts of its.

11. Differentiate between: (a) the impulse and reaction turbine (b) radial and axial turbine.

12. Obtain an expression for the work done by water on the runner of a pelton wheel hence derive an expression for

maximum efficiency of the pelton wheel giving the relationship between the jet speed and bucket speed. Draw

inlet and outlet velocity triangles for the pelton turbine and indicate the directions of various velocities

DIPLOMA-3RD SEM

(ETCE)

PAPER NAME: NETWORK ANALYSIS

PAPER CODE: NA 1. State the Thevenin’s Theorem?

2. Analysis of prototype Low-Pass Filter.

3. Analysis of prototype High-Pass Filter.

4. What is mutual inductance?

5. Explain the Step Current Response of RLC Parallel Circuit.

6. State the Norton’s theorem?

PAPER NAME: ANALOG ELECTRONICS-1

PAPER CODE: AE-1 1. Discuss different types of coupling in multistage amplifier.

2. Discuss h-model of CE transistor amplifier. Calculate voltage gain, current gain, power gain, input and

output impendence in terms of h parameters.

3. Discuss different types of biasing and also discuss stabilization and stability factor.

4. Draw clipper and clamper circuits.

5. Discuss voltage multipliers – voltage doubler, trippler, quadrupler and their applications.

6. Discuss characteristics of class A, class B and class AB amplifier.

PAPER NAME: DIGITAL ELECTRONICS

PAPER CODE:DE 1. Design half subtactor and full subtractor with truth table.

2. Implement BCD to seven segment code convertor.

3. Simplify the following Boolean function using K-Map-

F(A,B,C,D)= Σ𝑚(0,2,3,6,7) + Σ𝑑(8,10,11,15)

4. Convert the SR flipflop inyto JK flipflop

5. Implement BCD to decimal decoder.

6. Design a adder/subtractor circuit by using 4 bit binary parallal adder. Explain it.

PAPER NAME: ELECTRICAL MACHINE

PAPER CODE:EM 1. What is armature reaction in a d.c. machine?

2. Sketch the speed torque characteristics of a d.c.series motor.

3. State and explain Word-Leonard method of speed control.

4. Sketch a 3 point starter with proper label

PAPER NAME: COMPUTER PROGRAMMING PROGRAMMING

LANGUAGE

PAPER CODE: CPP Answer the following questions.

I. Write C tokens with a clear chart.

J. Explain four storage classes in C.

K. Briefly explain break, continue and goto statement with C program.

L. Describe the structure and function of operating system.

M. Write a C program to check a given year is leap year or not.

N. Write a C program to find the greatest among three numbers.

O. Write a C program to print the series

1-2+3-4+5-6+...............-50

P. Write a C program to print the following pattern:

*

* *

* * *

* * * *

* * * * *

I. Write a C program to calculate the factorial of a number.

J. Write a C program to calculate the simple interest of a given amount.

===============================================================================

DIPLOMA-5TH SEM

(CST)

PAPER NAME:-SOFTWARE ENGINEERING

PAPER CODE : SE 1. Distinguish between unit testing and integration testing.

2. Distinguish between Evolutionary model and prototyping model. In which aspect spiral model is

important?

3. Define COCOMO. Briefly explain the basic COCOMO with Boehm’s classification

4. Define ‘software crises. What do you mean by ‘Data flow diagram’?

5. Define SDLC. What do you mean by phase entry criteria and phase exit criteria?

6. Draw an e-r diagram of hospital management system.

7. Briefly explain the basic COCOMO with Boehm’s classification.

8. Define scheduling.

9. Write short notes on (1) Gantt chart, (2) pert chart.

10. State the utilities of software design.

11. Distinguish between cohesion and coupling.

12. Briefly describe the classification of coupling

PAPER NAME : JAVA PROGRAMMING

PAPER CODE: JP

1. What is Object? When an object created and what isits lifetime? How do you access the static

and non-static member of a class? What are the differences between a structure and a class? Can

you access non static variable in static context?

2. What is Type casting? Explain different types of type casting. How Explicit type casting is

possible in real?

3. What is Constructor? When does the compiler supply a default constructor for a class?

Differentiate constructor with normal methods.

4. Why java is called platform independent programming language? Why java does not support

multiple inheritances? Which class is extended by all other classes?

5. Define function overloading. What are the benefits of function overloading? Explain function

overloading creating three functions of different number of parameter or different types of

parameter or both. Can you overload two constructors? Can methods be overloaded based on

the return types?

6. Write a java program to convert uppercase characters to lowercase and vice versa of a string

taken from user at runtime using string buffer.

(eg. HeLLoWorlDhEllOwORLd)

PAPER NAME : OPERATING SYSTEM

PAPER CODE: OS 1. What is monolithic OS structure? Show the structure and the content of UNIX –I node.

2. State the structure of PCB. Why context switching is important?

3. What is the multithreading? What are the benefits of multithreading programming?

4. What is virtual memory? What is fragmentation? Why paging is important? Explain page fault.

5. What are the necessity conditions of Deadlock? What do you mean by different types of semaphore?

Explain Bankers algorithm. How can detect a Deadlock?

6. Consider the following set of processes.

Process Burst time(millisecond) Priority

P1 10 3

P2 1 1

P3 2 3

P4 1 4

P5 5 2

a. Draw the Gantt chart of FCFS, SJF, priority scheduling, RR (quantum=2).

b. Calculate the turnaround time for each algorithm.

c. Calculate the waiting time for each algorithm

7. Consider the page reference string

1,2,3,4,2,1,5,5,2,1,2,3,7,6,3,2,1,2,3,6

How many page faultsarise in the following page replacement algorithm:

a. LRU algorithm

b. OPTIMAL algorithm

c. FIFO algorithm

8. Define the following terms:

a. Trashing

b. Race condition

c. Trap

d. Thread

e. Spooling

f. System Call

f. Seek time and latency

g. Buffering

h. Kernel

i. Throughput

j. Booting

k. Batch processing

9. Write short notes on:

I. TLB

II. Demand paging

III. Belady’s Anomaly

IV. Short long and long term scheduling

SUB: THEORY OF COMPUTATION

PAPER CODE: TOC

1. Consider the finite state machine whose transition function δ is given by in the form

of transition table. Here Q = q0, q1, q2, q3, ∑ = 0,1, F = q0. Check the finite

machine input string 1001011010 accepted or not.

State Input

0 1

→ q0 q2 q1

q1 q3 q0

q2 q0 q3

*q3 q1 q2

2. Transforming a Mealy machine into Moore Machine

Present

State

Next State

Input a = 0 Input a = 1

State Output State Output

q1 q3 0 q2 0

q2 q1 1 q4 0

q3 q2 1 q1 1

*q4 q4 1 q3 0

3. Let L be the set of all palindromes over a, b. Construct a grammar G generating L. 4. Let G = (S,C, a, b, P,S ) where P consists of S → aCa, C → aCa| b . Find L(G). 5. Construct the finite automation equivalent to the regular expression

i) (0+1)*(00+11)(0+1)* ii) 10+(0+11)0*1

6. Let G be a grammar S0B|1A,A0|0S|1AA,B1|1S|0BB The given string =00110101

Find a) the Leftmost Derivation

b) the Rightmost Derivation

c) Draw the Derivation Tree

7. A Grammar generating L=wcwT|w € a,b*

8. Short question a. What is the meaning of L(G) =a,b+ and L(G) =a,b*. b. Difference between Mealy Machine and Moore Machine. c. What is DFA. d. Difference between NDFA and DFA. e. Proved Arden’s Theorem. f. Define Finite Automata. g. Prove that (1+00*1)+(1+00*1)(0+10*1)*(0+10*1)=(0+10*1)*

9. Convert NDFA to DFA.

State/∑ Input a=0 Input a=1

Q0 Q0 Q2

Q1 Q1 Q0

Q2 Q1

10. Construct a R.E. corresponding to the state diagram given as below:

SUB: MULTIMEDIA & ANIMATION TECHNIQUE

PAPER CODE: MAT

A. Answer all questions with proper explanations :

1. Discuss fundamental characteristics of sound. Explain MIDI message. What are the advantages of

MIDI over digital media?

2. What is hypertext and hypermedia? Describe the steps of JPEG compression. . Draw a diagram of

JPEG Encoder.

3. Differentiate between lossy and lossless compression. What are the measures of compression? What

is text compression?

4. What are the different color models? Explain any one of them briefly.

5. Define the following terms

Luminance, hue, pixel depth, resolution, gamut, pixilation.

6. What are the different technics of animation? Define key frame. How animation is different from

video.

7. Explain Nyquist sampling theorem. What is multimedia? How multimedia is inseparable in our daily

life.

8. Explain following file formats of image.

BMP, TIFF, GIF

9. Write short notes on

Q2

i. SGML

ii. MPEG frames

iii. Morphing

iv. Virtual reality

v. RLE

vi. Different types of audio file formats

vii. MIDI software and hardware

===============================================================================

DIPLOMA-5TH SEM

(EE)

PAPER NAME:-POWER ELECTRONICS & DRIVES

PAPER CODE : PED 1. Describe the principle of D.C. chopper operation.

2. What is meant by step up chopper? Explain its operation.

3. Write short note on principle of cycloconverter.

4. Describe the working of 3phase fully controlled bridge converter in the Rectifying mode and inversion

mode. And derive the expressions for average output voltage and rms output voltage.

5. Describe the various methods of thyristor turn on. Explain the characteristics of SCR.

6. Explain the single phase half bridge inverter with R load with necessary circuit diagram and

waveforms. Derive the equation for rms output voltage

7. Describe with appropriate voltage and current waveforms, the working of a single phase full-converter

fed dc drive. Derive also an expression for its input pf. State the assumption made

PAPER NAME: MICROPROCESSOR & MICROCONTROLLER

PAPER CODE: MPMC 1.Draw the timing diagram of opcode fetch operation and i/o write operation.

2. Write short notes on- interrupt of 8085

3. Draw and explain the demultioplexing procedure of 8085

4. Draw the block diagram of 8051 microcontroller. Describe its features.

5 Write the control ward format for 8255. Describe the operating modes.

PAPER NAME: SWITCHGEAR & PROTECTION

PAPER CODE: SP 1. What is fuse factor? Explain it.

2. Describe the construction and working of a Buchholz relay. 3. Write a short note on SF6 Circuit Breakers.

4. What is a surge absorber?

5. Earth-fault protection for transformers.

6. What is protective relay? Connection diagram for protection use Relay, CT and CB. 7. Write a short note on CT. 8. Write a short note on Air Circuit Breaker.

PAPER NAME : UTILIZATION,TRACTION HEATING & DRIVES

PAPER CODE : UTHD 1. Define and Explain the following terms :

a. Mean horizontal candle power b. Mean Spherical candle power c. Mean hemi-spherical candle power d.

Flux e. Solid Angle f. Specific Consumption g. Glare h. Absorption factor i. Beam factor j. Reduction

factor

2. What are the various methods of electric breaking?

3. Explain how regenerative breaking can be obtained with traction motors.

4. Explain resistance welding and its applications.

5. Explain Arc Furnaces and types of Arc Furnace.

6. What are the advantages of electric heating? Give classification of various electric heating methods

along with brief account of their working principles.

7. Explain with a neat diagram the principle of operation of a sodium vapour lamp. Mention its use.

PAPER NAME: ILLUMINATION ENGINEERING

PAPER CODE:IE 1. Define and explain the following terms:

a) Luminous intensity

b) Illumination

c) Depriciation factor

d) Luminous flux

e) Glare

2. State and explain laws of illumination.

3. What do you understand by sischarge lamp? Explain the construction and working of high pressure

mercury vapour lamp.

4. Expalin with a neat diagram the principle of operation of sodium vapour lamp.

DIPLOMA-5TH SEM

(CE)

PAPER NAME:-BUILDING SERVICES & ENTREPRENEURSHIP

DEVELOPMENT

PAPER CODE : BSED

1. Define the term ventilation. Discuss the various factors which affect the ventilation.

.Enumerate the requirements of good ventilation system. Explain various methods of mechanical ventilation.

2. What do you understand by the terms natural ventilation and mechanical ventilation? Write in detail the points to

be observed to obtain good natural ventilation.

3. Define the term lighting. Classify lighting.

4. What is plumbing? Discuss different plumbing system?

6 . Discuss the characteristics and classification of Entrepreneur.

7. Discuss SWOT analysis. State the importance of marketing.

8. What is the importance of project report? State the component of project report.

9. Outline the major component of Business Plan.

10. Explain the evolution concept of marketing management.

PAPER NAME: CONTRACT & ACCOUNTS

PAPER CODE: CA 1. What is tender? What is an informal tender?

2. Distinguish between Amount put to tender and Tender amount. What do you understand by termination of

contract?

3. Write short notes on (a) Earnest money; (b) Work order; (c) Extension of time; (d) Arbitration; (e) Brench of

contract; (f) Substituted item.

4. What is contract? What are the different types of civil engineering contracts?

5. Write briefly on comparative statement and acceptance of tender.

6. Write brief clauses of general condition of contract any two of the following : (a) Rectification of defective work

and removal of materials not conforming to specifications; (b) Extension of the completion of work;

7. Write brief clauses of general condition of contract any three of the following: (a) Maintenance period; (b)

Measurement of works; (c) compensation for delay in completion of work .

8. Discuss the provisions in Civil Engineering contract to settle dispute with Contractor.

9. What is plinth area and cubic rate estimate? Why a revised estimate is necessary?

10. What is a detailed estimate and how it is prepared?

11. Write notes on; (a) Earnest money; (b) Refund of security deposit; (c) Work order

12. Write notes on; (a) Lump-sum contract; (b) Substituted item; (c) N.I.T.

13. Briefly mention the differences of the following: (i) Tender notice and Tender papers; (ii) Rate analysis and

specification.

PAPER NAME:TRANSPORTATION ENGG.-II

PAPER CODE: TE-II 1. State the important characteristics of a vehicle that are considered in transportation engineering. What is

turning radius? What is overhang? What are the pollutants that a vehicle emit in atmosphere? What are the

different classes of vehicles moves on Indian roads? Why the weight of the vehicle is important for design of

pavements?

2. Describe the perception-reaction process in detail. Describe the term visual acuity? Which Indian Road Congress

code describes the color perception? What are the common causes of discomfort?

3. What are the various road characteristics of road that affects the flow of traffic? State how the surface

conditions affect the traffic flow? what would be the stopping distance of a vehicle moving with 50 KMpH on a

plane surface, where the value of ‘f’( friction) ‘g’ ( gravitational acceleration) are 0.5 ans 9.81 respectively.

4. Name and define the types of pavement. Draw a neat labeled diagram of the cross-section of the flexible

pavement. What is the function of the topmost layer?

5. What is grade separated interchange? Explain what weaving angle and weaving length mean. For what type of

intersection are these important and how?

6. Discuss various factors, which are to be considered for pavement design.

7. Name the four major strength related tests of road aggregates. What is the basic

difference among them in context to the type of load ?

8. What do you mean by “Classification of Road” ?

Mention different types of Urban Roads.

Discuss the various road patterns with neat sketches.

9. What is serviceability of pavement? Define PSI and TSI.(4) What is Camber ?

10. Write short notes on highway planning survey.

What is WBM ? Discuss the construction procedure of WBM.(4) what is valley curve(2)

11. Discuss the various factors affecting sight distance of a road. Design with neat sketches the factors on which

length of a valley curve depends.

12. Discuss the various factors affecting sight distance of a road.

Explain the difference between flexible and rigid pavement.

When and why concrete pavement is used?

13. Describe the terms reconnaissance survey, preliminary survey and location survey for a road project.

What is Nagpur plan?

14. What is design life? What is the recommended value of it for different types of roads according to IRC: 37-2001?

discuss about limiting shear failure method and California method?

PAPER NAME:DESIGN OF RCC STRUCTURE

PAPER CODE: DRCCS

1. What is moment of resistance? Find the moment of resistance of a beam 250x500 mm effective, reinforced on tension

side with four 20mm Ø bars. Assume concrete M15 and mild steel.

2. A doubly reinforced beam 250x 600mm overall has to resist a factored moment of 210 KN-m. Find amount of steel

required on compression and tension side, if cover on the both sides is 50mm. Concrete M15 and mild steel.

3. Design a RCC slab of dimension 4 m × 5 m whose adjacent edges are continuous and remaining two edges are

discontinuous, against a live load of 3·5 KN/m2 M20 concrete and Fe 415 grade steel should be used. Apply 'Limit

state method of design' as per IS 456.

4. Design a square footing of a column of size 300 mm × 300 mm carrying an axial compressive force. The footing will

be placed on a soil having bearing capacity of 120 KN/m2. Use M20 concrete and Fe415 grade steel. Apply ' 'Limit

state method of design' ' as per IS 456.

5. A dog-legged staircase is to be designed between intermediate floors of a residential building, within a stair hall

having clear dimensions 5·4 m × 2·5 m. The stair hall has 4 columns at its corners measuring 250 mm × 400 mm

each. The beams at the ends may be considered 250 mm × 350 mm each. Consider floor to floor height = 3·3 m,

intensity of live load = 3 KN/m2 on plan area. Riser 150 mm, width of landing and width of flight both = 1200 mm.

Show general arrangement of the stair case and design the flights of the staircase.

6. Calculate the load carrying capacity of a RCC column of dimension 250 × 400 reinforced with 8 nos 16 Fe415 HYSD

bars. Effective length of the column = 5m. Apply 'Limit state method of design' as per IS 456.

7. Find Mu of a T beam with the following data. bf=1250mm,Df=100mm,bw=250mm,d=650mm,Ast= 2800 mm2, fy=415

N/mm2, fck= 20 N/mm2.

8. Find area of steel required for a T beam given the following data. bf=1250mm,Df=100mm,bw=250mm,d=650mm, Mu

= 400 KN- m, fy=415 N/mm2, fck= 20 N/mm2.

9. A beam 300x1010mm effective has a span of 7m. Total load on the beam is 45KN/m. Tensile steel is 6- 22mmØ bars.

If concrete M15 and mild steel are used. Design shear reinforcement.

10. What is anchorage length? A S.S.B is 25x50 cm and has 2-20mm TOR bars going into the support. If the S.F at the

centre of support is 110KN at working loads, determine the anchorage length. Assume M20 mix and Fe 415 grade

TOR steel.

11. Design a lintel over a 2.5m wide in an industrial shed wall. Thickness of wall is 40cm, height of opening is 2.75m and

eaves level is 6m above the floor level. Use M20 mix and TOR steel. Density of masonry=19 KN/m3.

12. Design a column footing with the following data. Load on column=1600 KN, column size=500x500mm, bearing

capacity of soil= 300 KN/m2. Concrete M20 and steel Fe 415.

13. The cross-section of an R.C beam is required to resist a bending moment of 65 KN-m . Find the dimensions of the

cross section and area of steel required. Assume that σcbc=5N/mm2,σst=140N/mm2,m =18.66 and b =.5d. (working

stress)

14. A section of R.C beam 300x700mm is reinforced with 4-25mmØ bars, placed 30mm from the bottom of the beam.

The beam is subjected to a bending moment of 130 KN-m. Find the stresses set up in concrete and steel, if m=18.66.

(working stress)

PAPER NAME:GEOTECHNICAL ENGG. -II

PAPER CODE: GE-II 1. a) Write down Terzaghi’s bearing capacity formula for general shear failure stating the meaning of symbols

used in the formula

b) What is net pressure intensity and net ultimate bearing capacity?

2. Calculate the ultimate bearing capacity of shallow foundation. Using the following data cohesion=30 KN/m2,

unit weight of soil =18KN/m3, Depth of foundation=1.5m. Width of foundation =1.5m. N c= 6 N q =5 N ɣ=3

3. a) Draw a neat sketch of Terzaghis failure planes of bearing capacity of shallow

Foundation for General shear failure.

b) Write down the assumption of Terzaghis bearing capacity for shallow foundation.

4. a) Write down at least three bearing capacity formula. Related to pile foundation explaining the symbols

used.

b)what is general shear failure and local shear failure?

5. Draw a neat sketch of a pile load test and Explain the load settlement curve obtained

From a pile load Test.

6. a) State the Requisite qualities of Good foundation.

b) Mention the Types of load which are to the taken into consideration of foundation

7. a) Classify different Types of piles based on function and material used.

b) Discuss about Rainkine Suggestion on minimum depth of foundation.

8. a) Discuss about the primary process of settlement of foundation.

b) The Natural void ratio of a 6.0m Thick clay Deposit having liquid limit of 45% each 1.2 Determine the

consolidation Settlement of a layer when the over lour den pressure on the soil deposits is in crossed from 10

to 25 T/m2.

9. a) How piles are classified as per function?

b) Mention the Hiley’s formula related to pile foundation.

10. a) What are the consideration for choosing Shallow and Deep foundation.

b) What are the basic criteria of design of foundation?

11. a) Distinguish between Shallow and Deep foundation.

b) What do you mean by soil stabilization?

c) Discuss about the General principle of soil stabilization

12. a) Define safe bearing capacity and allowable bearing capacity.

b) A 2m X 2m footing is to be founded at 2m below existing ground level on a stratum of Cohesive soil

having cohesion =0 Angle of internal fraction φ=30°unit wt=1.8 t/m3 the Water table is at G.L Determine

ultimate bearing capacity of the footing.

DIPLOMA-5TH SEM

(ME)

PAPER NAME: FLUID MECHANICS & MACHINERY

PAPER CODE: FMM 1. A) Explain the various types of fluids.State & explain Newtons law of viscosity.What is dynamic

viscosity & kinematic viscosity?

B) A plate 0.025 mm distance from a fixed plate ,moves at 60cm/s and required a force

of 2N per unit area i.e., 2N/m2 to maintain this speed . Determine the fluid viscosity between the

plates.

2. A)Explain the Pascal`s law. State & prove Pascal,s law of fluid pressure.

B) A Relationship between Bulk Modulus (k) and Pressure (p) for Gas.

C) Describe the different types of fluid flow process.

3. A)Define atmospheric pressure,Gauge pressure,Vacuum pressure & absolute pressure.

B) A u-tube containing mercury has its right limb open to atmosphere & left limb connected to a

pipe conveying water under pressure, the difference in level of mercury in the two limbs being 200m. If

the mercury level in the left limb is 300m below the centre line of the pipe,find the Gauge & absolute

pressure in the pipeline.

4. A)State Bernoulli,s theorem & derive it for the frictionless flow with necessary condition

B)A vertical tapering pipe is 2.5m long. The dia of the pipe is 25 cm at the top end &the

15 cm at the bottom end.If 40 l/s of the water flows through the pipe, find the differen-

Ce in pressure between the two ends of pipe, neglect losses.

5. A)Derive the continuity equation for steady flow process. Differentiate between steady flow &

unsteady flow.

B) Fluid flow through a pipeline which contracts from 50 cm dia. at A to 35 cm at B &

Then branches into two pipes C & D. The dia. of the pipe c is 20 cm & that of D is 25

Cm. If the velocity at A be 2 m/s & that at D be 4 m/s, determine –velocity at B

& discharge at C & D.

6. A)What are the major losses in pipe flow? Give the expression of major loss.

B)Define Reynold,s number. Explain the process of determination of this number.

7. Crude oil of density 800 kg/m3 & viscosity 0.14 NS/m2 flows through a pipe of dia 40 cm at a rate of

50lit/s. Find the head lost due to friction in this pipe of length 350 km.

PAPER NAME: ADVANCE MANUFACTURING PROCESSES

PAPER CODE : AMP

1.Difference between traditional and nontraditional marching.

2. Explain USM & working principal, application, advantage, & disadvantage and application.

3. Explain various types of jig.

4. Explain six point principal.

5. Describe about prepatery and mislenious code in CNC.

6. What is the factor? Consider due to design jig fixture.

7. Describe about working principal, application, advantage, & disadvantage and application of laser beam machining.

8. What is the need of Non Traditional Machining process?

9. What do you mean understand in flexible manufacturing system.

10. Write the part programming the following figure.

Explain USM & working principal, application, advantage, & disadvantage and application

PAPER NAME: MEASUREMENT & CONTROL

PAPER CODE: MC 1. Draw block diagram of a closed loop system. Give an example of closed loop system. What are the advantages and

disadvantages of closed loop system?

2. Write down the principle of magnetic pick-up type tachometer with the help of neat sketch. States its advantages.

3. Give the description of an eddy current tachometer with a neat sketch.

4. State the advantage and disadvantages of bimetallic thermometers.

5. Explain with a neat sketch the working principle of an electromagnetic flow meter.

6. Explain piezo-electric crystal type microphone with suitable diagram.

7. Name different types of strain gauge. State desirable properties of strain gauge. Write down some common materials

used for strain gauge.

8. Draw the schematic diagram of RVDT and explain its characteristics.

9. Explain working principle of stroboscope with the help of neat sketch.

PAPER NAME : POWER ENGINEERING

PAPER CODE: PE 1. Explain the main differences between a two stroke cycle and four stroke cycle internal combustion

engine.

2. With the help of neat sketch describes the working of a four stroke cycle internal combustion engine.

3. Explain valve timing diagram for four stroke cycle spark ignition engine.

4. Explain with the help of sketch governing of I.C engine.

5. Discuss various methods of cooling of I.C engine giving its merits and demerits of each.

6. Explain the difference between impulse and reaction turbine.

7. Explain the term compounding in steam turbines. Discuss various methods of compounding steam

turbines.

8. Derive the expression for blade efficiency in a single stage impulse turbine.

9. Explain various methods of governing steam turbines giving merits and demerits.

10. Explains with neat sketch closed cycle gas turbine plant.

11. Prove that for a two stage gas turbines plant with perfect intercooling and perfect reheating the

intermediate pressure for maximum work output is given by the geometric mean of the initial suction

pressures and the final delivery pressure.

12. Explains with the help of enthalpy-entropy diagram a turbo-jet gas turbine plant. How it is different

from turbo-prop plant.

13. Explain with sketch working principle of pelton wheel and Francis turbine.

14. Classify the Hydraulic turbines.

15. Explain the concept of governing of turbine.

PAPER NAME : AUTO MOBILE ENGINEERING

PAPER CODE: AE 1. What do you mean by automobile servicing? Why it is necessary?

2. Describe working principle of simple carburetor with neat sketch.

3. A). What is the function of a clutch in an automobile?

B). What are the different types of universal joint?

4. What are the common types of steering gears? Describe any one in detail with the help of simple sketch.

5. Write short-notes with diagram on:

A) Torsion bar

B). Coil spring

C) Leaf spring

6.

Describe the function of catalytic converter.

7. Describe disc braking system with neat sketch.

8. Compare the merits and demerits of MPFI with carburetor system.

9. State the advantages and disadvantages of air suspension system.

10. Describe hydraulic braking system with neat sketch.

11. Describe working principle of differential with neat sketch.

12. What are the advantages and disadvantages of independent suspension system?

End