NagpurStudents - TGPCET · b) What are the different work holding devices used in shaper. Explain...
28
TKN/KS/16/7374 1 P.T.O B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes Paper - IV P. Pages : 2 TKN/KS/16/7374 Time : Three Hours Max. Marks : 80 _____________________________________________________________________ Notes : 1. All questions carry marks as indicated. 2. Solve Question 1 OR Questions No. 2. 3. Solve Question 3 OR Questions No. 4. 4. Solve Question 5 OR Questions No. 6. 5. Solve Question 7 OR Questions No. 8. 6. Solve Question 9 OR Questions No. 10. 7. Solve Question 11 OR Questions No. 12. 8. Due credit will be given to neatness and adequate dimensions. 9. Diagrams and chemical equations should be given whenever necessary. 1. a) What are the basic elements of any machining operation? Differentiate orthogonal and oblique cutting. 6 b) With a neat sketch explain principal angles of single point tool and discuss its effects on cutting process. OR 7 2. a) How do you define tool life? Explain the parameter that affect on tool life. 7 b) Explain the factors which favour formation of continuous chips. Also elaborate common methods to break the chips. 6 3. a) With a neat sketch explain the principal parts of a lathe. 6 b) Name the various lathe accessories. Explain and differentiate between steady rest and follower rest with neat sketch. OR 7 4. a) Explain with the help of neat sketch working of back gear mechanism in lathe. 7 b) Differentiate between capstan lathe and turret lathe. 6 5. a) With neat sketch explain the Ratchet and pawl feed mechanism of shaper. 7 b) Explain with neat sketch principal parts of a standard shaper. OR 7 6. a) Compare shaper planer and Slotter. 7 b) Classify different types of planning machines Also List various planning operations. 7 *0784* NagpurStudents.Org
Transcript of NagpurStudents - TGPCET · b) What are the different work holding devices used in shaper. Explain...
TKN/KS/16/7374 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
Paper - IV P. Pages : 2 TKN/KS/16/7374
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Diagrams and chemical equations should be given whenever necessary.
1. a) What are the basic elements of any machining operation? Differentiate orthogonal and
oblique cutting.
6
b) With a neat sketch explain principal angles of single point tool and discuss its effects on
cutting process.
OR
7
2. a) How do you define tool life? Explain the parameter that affect on tool life.
7
b) Explain the factors which favour formation of continuous chips. Also elaborate common
methods to break the chips.
6
3. a) With a neat sketch explain the principal parts of a lathe.
6
b) Name the various lathe accessories. Explain and differentiate between steady rest and
follower rest with neat sketch.
OR
7
4. a) Explain with the help of neat sketch working of back gear mechanism in lathe.
7
b) Differentiate between capstan lathe and turret lathe.
6
5. a) With neat sketch explain the Ratchet and pawl feed mechanism of shaper.
7
b) Explain with neat sketch principal parts of a standard shaper.
OR
7
6. a) Compare shaper planer and Slotter.
7
b) Classify different types of planning machines Also List various planning operations.
7
*0784*
NagpurStudents.Org
TKN/KS/16/7374 2
7. a) With neat sketch explain main parts of horizontal milling machine.
7
b) Give classification of milling cutters.
OR
6
8. a) List out the various milling operations. Also explain face milling operation.
7
b) Classify milling machine. Differentiate between plain and universal milling machine.
6
9. a) Explain grinding process & classify grinding machines in detail.
7
b) List out various abrasives used in manufacturing of grinding wheels.
OR
6
10. a) What are various super finishing operations. Also explain Lapping operation with neat
sketch.
7
b) Explain with neat sketch, Electroplating process.
6
11. a) List various drilling machine operations. Explain with neat sketch counterboring &
countersinking.
7
b) Explain with neat sketch principal components of radial drilling machine.
OR
7
12. a) What is broaching? Explain various elements of broach.
5
b) List out Advantages and Limitations of broaching process.
5
c) Classify Boring machines.
4
**************
NagpurStudents.Org
NKT/KS/17/7286 1 P.T.O
B.E.Fourth Semester (Mechanical Engineering) (C.B.S.) Machining Processes
P. Pages : 2 NKT/KS/17/7286
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Assume suitable data whenever necessary.
10. Diagrams and chemical equations should be given whenever necessary.
11. Illustrate your answers whenever necessary with the help of neat sketches.
12. Use of non programmable calculator is permitted.
1. a) Explain Geometry of single point cutting tool and importance of various angles of it with
neat sketch.
7
b) Explain Mechanics of chip formation with neat sketch.
6
OR
2. a) Explain different types of cutting tool materials.
7
b) Describe various factors affecting tool life.
6
3. a) Explain the constructional features of simple lathe with neat sketch.
7
b) Explain thread cutting operation performed on Lathe.
6
OR
4. a) Discuss different methods used for taper turning. Explain any one in detail.
7
b) How are lathe classified? Describe in brief any two types of lathe.
6
5. a) Explain with neat sketch, Whitworth quick return mechanism.
7
b) Compare shaper, planner & slotter.
7
OR
6. a) Draw a neat sketch of Hydraulic shaper and explain its major parts.
7
b) What are the different work holding devices used on shaper?
7
7. a) Differentiate between upmilling and down milling.
7
*0513*
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NKT/KS/17/7286 2
b) Explain with neat sketch column and knee type milling machine.
6
OR
8. a) What do you mean by indexing? Discuss various methods of indexing.
7
b) With the help of suitable sketch, explain the geometry of plain milling cutter.
6
9. a) Explain working principle of centreless grinding and give various methods of feeding on it.
7
b) Explain Grit, Grade & Structure of a grinding wheel.
6
OR
10. a) What do you mean by superfinishing, buffing & honing? Explain with neat sketch.
7
b) Outline various factors that influences the selection of grinding wheel.
6
11. a) Draw a neat labelled sketch of radial drilling machine. Explain its various parts.
7
b) List and explain various operations performed on a drilling machine.
7
OR
12. a) Explain Drilling, Reaming and Boring operation. How do they differ from each other?
7
b) Classify and list boring machines? Explain Jig boring machine with neat sketch.
7
**********
NapurStudents.Org
NJR/KS/18/4426 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
P. Pages : 2 NJR/KS/18/4426
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain with neat sketch tool geometry of single point cutting tool. Also discuss its
nomenclature.
7
b) Classify different tool materials. Also explain their properties.
6
OR
2. a) Differentiate between orthogonal and oblique cutting with neat sketch.
6
b) Explain with neat sketch Merchant's circle. Also discuss various forces.
7
3. a) Explain with neat sketch construction of simple lathe.
7
b) Explain Facing and step turning operation performed on Lathe.
6
OR
4. a) Differentiate between Capstan and Turret lathe with block diagram.
6
b) Discuss various methods used for taper turning. Explain any one in detail.
7
5. a) Explain with neat sketch crank & slotted link mechanism of shaper.
7
b) What are the different work holding devices used in shaper. Explain any one in detail.
7
OR
6. a) Discuss various types of Slotting Machines. Explain any one in detail with neat sketch.
7
b) Discuss various types of planner. Explain any one with neat sketch.
7
7. a) Explain with neat sketch up milling and down milling.
7
b) Explain with neat sketch plain or horizontal milling machine.
6
*0772*
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NJR/KS/18/4426 2
OR
8. a) Explain with neat sketch dividing head or indexing head of milling machine.
7
b) Explain with neat sketch Helical Milling Operation.
6
9. a) Explain the method of designation for grinding wheels with suitable example.
6
b) Explain principle of working of centerless grinding. Also discuss various feeding methods.
7
OR
10. a) Explain with neat sketch various superfinishing processes.
7
b) Explain the phenomenon of dressing and glazing of Grinding wheels.
6
11. a) Explain with neat sketch universal radial drilling machine.
7
b) Explain with neat sketch the geometry of twist drill.
7
OR
12. a) Explain with neat sketch the constructional features of horizontal boring machine.
7
b) Differentiate between push and pull type of broaching operation with neat sketch.
7
***********
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KNT/KW/16/7286 1 P.T.O
B.E. Fourth Semester (Mechanical Engineering) (C.B.S.) Machining Processes Paper - IV
P. Pages : 2 KNT/KW/16/7286
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain mechanics of chip formation with neat sketch. Also enlist various types of chips
with neat sketch.
6
b) Explain geometry of single point cutting tool and tool signature with neat sketch.
OR
7
2. a) State and explain factors affecting tool life. Also, define tool life.
6
b) Differentiate between orthogonal & oblique cutting. Explain various types of chip
breakers.
7
3. a) Explain various principal parts of lathe with block diagram.
7
b) Explain tumbler gear feed mechanism with neat sketch.
OR
7
4. a) Explain with neat sketch Geared head stock in lathe machine.
7
b) Explain any two types of taper turning methods in detail with neat sketch.
7
5. a) Explain working of Hydraulic mechanism of shaper with neat sketch.
6
b) Explain crank & slotted link mechanism used in shaper machine.
OR
7
6. a) Compare shaper, planner & slotter.
6
b) Explain puncher slotter & production slotter with sketch.
7
*0150* NagpurStudents.Org
KNT/KW/16/7286 2
7. a) Explain column & knee type milling machine with neat sketch.
7
b) Describe elements of plain milling cutter with neat sketch.
OR
7
8. a) What is indexing? Describe differential indexing method.
7
b) Name various work holding & tool holding devices in milling. Also, explain face milling
operation.
7
9. a) Describe "grit", "grade" & "structure" of a grinding wheel.
6
b) Draw & explain horizontal spindle rotary table type of grinding machine.
OR
7
10. a) Explain Honing, Lapping & metal spraying processes with neat sketch.
6
b) Enlist various bonds used for making Grinding wheels and explain any two.
7
11. a) Draw a neat sketch of Radial drilling machine. Name various parts & describe their
function.
6
b) Name various work holding devices used in drilling machines. Explain any one with neat
sketch.
OR
7
12. a) Classify & list boring machines. Explain Jig boring machine with neat sketch.
6
b) What is broaching? How broaches are classified?
7
********
NagpurStudents.Org
NRJ/KW/17/4426 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
P. Pages : 2 NRJ/KW/17/4426
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain mechanics of chip formation with neat sketch. Also enlist various types of chips
with neat sketch.
6
b) Explain geometry of single point cutting tool and tool signature with neat sketch.
7
OR
2. a) How do you define tool life? Explain the parameters that affects tool life.
7
b) Differentiate between orthogonal and oblique cutting. Explain various types of chip
breakers.
6
3. a) With a neat sketch, explain the principle parts of a lathe.
7
b) Name the various lathe accessories. Explain and differentiate between steady rest and
follower rest with neat sketch.
7
OR
4. a) Differentiate between capstan lathe and turret lathe.
7
b) Explain tumbler gear feed mechanism with neat sketch.
7
5. a) With neat sketch. Explain the Ratchet and pawl feed mechanism of shaper.
6
b) Explain Crank & Slotted link mechanism used in shaper machine.
7
OR
6. a) Differentiate between shaper machine, planer machine & slotter machine.
6
b) Explain puncher slotter & production slotter with neat sketch.
7
*0216* NagpurStudents.Org
NRJ/KW/17/4426 2
7. a) With neat sketch, explain main parts of horizontal milling machine.
7
b) Describe elements of plain milling cutter with neat sketch.
7
OR
8. a) Name various work holding & tool holding devices in milling. Also explain face milling
operation.
7
b) Classify milling machine. Differentiate between plain and universal milling machine.
7
9. a) Describe "Grit", "Grade" & "Structure" of a grinding wheel.
6
b) Explain with neat sketch, Electroplating process.
7
OR
10. a) Explain Honing, Lapping and metal spraying process with neat sketch.
6
b) List out various abrasives used in manufacturing of grinding wheels.
7
11. a) Draw a neat sketch of Radial drilling machine. Name various parts and describe their
function.
6
b) Name various work holding devices used in drilling machines. Explain any one with neat
sketch.
7
OR
12. a) Classify and list boring machines. Explain Jig boring machine with neat sketch.
6
b) What is broaching? How broaches are classified.
7
********
NagpurStudents.Org
TKN/KS/16/7374 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
Paper - IV P. Pages : 2 TKN/KS/16/7374
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Diagrams and chemical equations should be given whenever necessary.
1. a) What are the basic elements of any machining operation? Differentiate orthogonal and
oblique cutting.
6
b) With a neat sketch explain principal angles of single point tool and discuss its effects on
cutting process.
OR
7
2. a) How do you define tool life? Explain the parameter that affect on tool life.
7
b) Explain the factors which favour formation of continuous chips. Also elaborate common
methods to break the chips.
6
3. a) With a neat sketch explain the principal parts of a lathe.
6
b) Name the various lathe accessories. Explain and differentiate between steady rest and
follower rest with neat sketch.
OR
7
4. a) Explain with the help of neat sketch working of back gear mechanism in lathe.
7
b) Differentiate between capstan lathe and turret lathe.
6
5. a) With neat sketch explain the Ratchet and pawl feed mechanism of shaper.
7
b) Explain with neat sketch principal parts of a standard shaper.
OR
7
6. a) Compare shaper planer and Slotter.
7
b) Classify different types of planning machines Also List various planning operations.
7
*0784*
NagpurStudents.Org
TKN/KS/16/7374 2
7. a) With neat sketch explain main parts of horizontal milling machine.
7
b) Give classification of milling cutters.
OR
6
8. a) List out the various milling operations. Also explain face milling operation.
7
b) Classify milling machine. Differentiate between plain and universal milling machine.
6
9. a) Explain grinding process & classify grinding machines in detail.
7
b) List out various abrasives used in manufacturing of grinding wheels.
OR
6
10. a) What are various super finishing operations. Also explain Lapping operation with neat
sketch.
7
b) Explain with neat sketch, Electroplating process.
6
11. a) List various drilling machine operations. Explain with neat sketch counterboring &
countersinking.
7
b) Explain with neat sketch principal components of radial drilling machine.
OR
7
12. a) What is broaching? Explain various elements of broach.
5
b) List out Advantages and Limitations of broaching process.
5
c) Classify Boring machines.
4
**************
NagpurStudents.Org
NKT/KS/17/7286 1 P.T.O
B.E.Fourth Semester (Mechanical Engineering) (C.B.S.) Machining Processes
P. Pages : 2 NKT/KS/17/7286
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Assume suitable data whenever necessary.
10. Diagrams and chemical equations should be given whenever necessary.
11. Illustrate your answers whenever necessary with the help of neat sketches.
12. Use of non programmable calculator is permitted.
1. a) Explain Geometry of single point cutting tool and importance of various angles of it with
neat sketch.
7
b) Explain Mechanics of chip formation with neat sketch.
6
OR
2. a) Explain different types of cutting tool materials.
7
b) Describe various factors affecting tool life.
6
3. a) Explain the constructional features of simple lathe with neat sketch.
7
b) Explain thread cutting operation performed on Lathe.
6
OR
4. a) Discuss different methods used for taper turning. Explain any one in detail.
7
b) How are lathe classified? Describe in brief any two types of lathe.
6
5. a) Explain with neat sketch, Whitworth quick return mechanism.
7
b) Compare shaper, planner & slotter.
7
OR
6. a) Draw a neat sketch of Hydraulic shaper and explain its major parts.
7
b) What are the different work holding devices used on shaper?
7
7. a) Differentiate between upmilling and down milling.
7
*0513*
NapurStudents.Org
NKT/KS/17/7286 2
b) Explain with neat sketch column and knee type milling machine.
6
OR
8. a) What do you mean by indexing? Discuss various methods of indexing.
7
b) With the help of suitable sketch, explain the geometry of plain milling cutter.
6
9. a) Explain working principle of centreless grinding and give various methods of feeding on it.
7
b) Explain Grit, Grade & Structure of a grinding wheel.
6
OR
10. a) What do you mean by superfinishing, buffing & honing? Explain with neat sketch.
7
b) Outline various factors that influences the selection of grinding wheel.
6
11. a) Draw a neat labelled sketch of radial drilling machine. Explain its various parts.
7
b) List and explain various operations performed on a drilling machine.
7
OR
12. a) Explain Drilling, Reaming and Boring operation. How do they differ from each other?
7
b) Classify and list boring machines? Explain Jig boring machine with neat sketch.
7
**********
NapurStudents.Org
NJR/KS/18/4426 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
P. Pages : 2 NJR/KS/18/4426
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain with neat sketch tool geometry of single point cutting tool. Also discuss its
nomenclature.
7
b) Classify different tool materials. Also explain their properties.
6
OR
2. a) Differentiate between orthogonal and oblique cutting with neat sketch.
6
b) Explain with neat sketch Merchant's circle. Also discuss various forces.
7
3. a) Explain with neat sketch construction of simple lathe.
7
b) Explain Facing and step turning operation performed on Lathe.
6
OR
4. a) Differentiate between Capstan and Turret lathe with block diagram.
6
b) Discuss various methods used for taper turning. Explain any one in detail.
7
5. a) Explain with neat sketch crank & slotted link mechanism of shaper.
7
b) What are the different work holding devices used in shaper. Explain any one in detail.
7
OR
6. a) Discuss various types of Slotting Machines. Explain any one in detail with neat sketch.
7
b) Discuss various types of planner. Explain any one with neat sketch.
7
7. a) Explain with neat sketch up milling and down milling.
7
b) Explain with neat sketch plain or horizontal milling machine.
6
*0772*
NagpurStudents.Org
NJR/KS/18/4426 2
OR
8. a) Explain with neat sketch dividing head or indexing head of milling machine.
7
b) Explain with neat sketch Helical Milling Operation.
6
9. a) Explain the method of designation for grinding wheels with suitable example.
6
b) Explain principle of working of centerless grinding. Also discuss various feeding methods.
7
OR
10. a) Explain with neat sketch various superfinishing processes.
7
b) Explain the phenomenon of dressing and glazing of Grinding wheels.
6
11. a) Explain with neat sketch universal radial drilling machine.
7
b) Explain with neat sketch the geometry of twist drill.
7
OR
12. a) Explain with neat sketch the constructional features of horizontal boring machine.
7
b) Differentiate between push and pull type of broaching operation with neat sketch.
7
***********
NagpurStudents.Org
Scanned by CamScanner
NagpurStudents.Org
Scanned by CamScanner
NagpurStudents.Org
Scanned by CamScanner
NagpurStudents.Org
Scanned by CamScanner
NagpurStudents.Org
KNT/KW/16/7286 1 P.T.O
B.E. Fourth Semester (Mechanical Engineering) (C.B.S.) Machining Processes Paper - IV
P. Pages : 2 KNT/KW/16/7286
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain mechanics of chip formation with neat sketch. Also enlist various types of chips
with neat sketch.
6
b) Explain geometry of single point cutting tool and tool signature with neat sketch.
OR
7
2. a) State and explain factors affecting tool life. Also, define tool life.
6
b) Differentiate between orthogonal & oblique cutting. Explain various types of chip
breakers.
7
3. a) Explain various principal parts of lathe with block diagram.
7
b) Explain tumbler gear feed mechanism with neat sketch.
OR
7
4. a) Explain with neat sketch Geared head stock in lathe machine.
7
b) Explain any two types of taper turning methods in detail with neat sketch.
7
5. a) Explain working of Hydraulic mechanism of shaper with neat sketch.
6
b) Explain crank & slotted link mechanism used in shaper machine.
OR
7
6. a) Compare shaper, planner & slotter.
6
b) Explain puncher slotter & production slotter with sketch.
7
*0150* NagpurStudents.Org
KNT/KW/16/7286 2
7. a) Explain column & knee type milling machine with neat sketch.
7
b) Describe elements of plain milling cutter with neat sketch.
OR
7
8. a) What is indexing? Describe differential indexing method.
7
b) Name various work holding & tool holding devices in milling. Also, explain face milling
operation.
7
9. a) Describe "grit", "grade" & "structure" of a grinding wheel.
6
b) Draw & explain horizontal spindle rotary table type of grinding machine.
OR
7
10. a) Explain Honing, Lapping & metal spraying processes with neat sketch.
6
b) Enlist various bonds used for making Grinding wheels and explain any two.
7
11. a) Draw a neat sketch of Radial drilling machine. Name various parts & describe their
function.
6
b) Name various work holding devices used in drilling machines. Explain any one with neat
sketch.
OR
7
12. a) Classify & list boring machines. Explain Jig boring machine with neat sketch.
6
b) What is broaching? How broaches are classified?
7
********
NagpurStudents.Org
NRJ/KW/17/4426 1 P.T.O
B.E. (Mechanical Engineering) Fourth Semester (C.B.S.) Machining Processes
P. Pages : 2 NRJ/KW/17/4426
Time : Three Hours Max. Marks : 80
_____________________________________________________________________
Notes : 1. All questions carry marks as indicated.
2. Solve Question 1 OR Questions No. 2.
3. Solve Question 3 OR Questions No. 4.
4. Solve Question 5 OR Questions No. 6.
5. Solve Question 7 OR Questions No. 8.
6. Solve Question 9 OR Questions No. 10.
7. Solve Question 11 OR Questions No. 12.
8. Due credit will be given to neatness and adequate dimensions.
9. Illustrate your answers whenever necessary with the help of neat sketches.
1. a) Explain mechanics of chip formation with neat sketch. Also enlist various types of chips
with neat sketch.
6
b) Explain geometry of single point cutting tool and tool signature with neat sketch.
7
OR
2. a) How do you define tool life? Explain the parameters that affects tool life.
7
b) Differentiate between orthogonal and oblique cutting. Explain various types of chip
breakers.
6
3. a) With a neat sketch, explain the principle parts of a lathe.
7
b) Name the various lathe accessories. Explain and differentiate between steady rest and
follower rest with neat sketch.
7
OR
4. a) Differentiate between capstan lathe and turret lathe.
7
b) Explain tumbler gear feed mechanism with neat sketch.
7
5. a) With neat sketch. Explain the Ratchet and pawl feed mechanism of shaper.
6
b) Explain Crank & Slotted link mechanism used in shaper machine.
7
OR
6. a) Differentiate between shaper machine, planer machine & slotter machine.
6
b) Explain puncher slotter & production slotter with neat sketch.
7
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7. a) With neat sketch, explain main parts of horizontal milling machine.
7
b) Describe elements of plain milling cutter with neat sketch.
7
OR
8. a) Name various work holding & tool holding devices in milling. Also explain face milling
operation.
7
b) Classify milling machine. Differentiate between plain and universal milling machine.
7
9. a) Describe "Grit", "Grade" & "Structure" of a grinding wheel.
6
b) Explain with neat sketch, Electroplating process.
7
OR
10. a) Explain Honing, Lapping and metal spraying process with neat sketch.
6
b) List out various abrasives used in manufacturing of grinding wheels.
7
11. a) Draw a neat sketch of Radial drilling machine. Name various parts and describe their
function.
6
b) Name various work holding devices used in drilling machines. Explain any one with neat
sketch.
7
OR
12. a) Classify and list boring machines. Explain Jig boring machine with neat sketch.
6
b) What is broaching? How broaches are classified.
7
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