Set Q# Question a b c

B 16Sequence of numbers where succeeding

term is greater than the preceding termdissonant isometric convergent

A 16What's next in the sequence: 2, 3, 4, 5,

9,`7…..33

B 31

The distance of one locus of an ellipse to

the first vertex is 4 and that of the 2nd

vertex is 16. Compute the circumference

of the ellipse

31.41 50.65 56.9

A 32

A square section ABCD has one of its side

equal to X. Point E inside the square

forming an equilateral triangle BEC having

one side equal to the side of the square.

Find the angle AED

60° 65° 70°

B 32A parabola has an equation of x

2 = 20y.

Find the latus rectum of the parabola.

B 33Given vertices traingle A(1,3) B(7,0) C(4,6).

Find the centroid(6,9/2) (9/2,6) (3,4)

34

The radius of the sphere sector is 12cm

with central angle of 60°. Compute for the

volume of the segment of the zone.

93.35 117.23 121.39

36

From point O on the ground of a square

courtyard of area 16000ft2 the angles of

elevation of three flagstaff at equal height

at three consecutive order 45°, 60°, 60°

183.11 162.46 215.45

B 37

A sphere having a diameter of 30 cm. The

altitude of the first segment is 6cm. What

is the ratio of area zone of the second to

that of the first?

2:01 3:02 4:03

A 41

An icecream cone is filled with icecream

and another form in hemisphere on top of

the cone. The diameter of the cone is

equal to the surface lateral, the radius is

25mm. Find the height of the cone.

33.4 43.3 24.4

B 42

The upper and lower bases of frustum of a

regular pyramid at 3m x 4m and 6m x 8m

respectively, if the volume is 140 cu.m.

What is the distance between base?

5 7 9

B 43

A truncated prism has square horizontal

base. The vertical edges at each corner are

4, 5, 6 & 7. The volume of the prism is

8800 cu m. Compute the length at one

side of the prism

20 m 37.5 m 40 m

A 43

A reinforced bridge constructed to pass in

the middle of a circular lake. Point A

outside the lake a distance of 1km from

the bridge embankment and collinear of

both embankment a detour is constructed

tangent to periphery of the lake passing to

point B which is 3km from point C, all

other location is perpendicular to the lake.

Determine the length of the bridge.

3 3.5 4

B 44

A regular hexagonal pyramid with lateral

length of 8cm and whose side if the base is

equal to 6cm. Find the volume of the

pyramid.

177.33 155.67 168.31

A 44

Given the area in the first quadrant

bounded by x2 = 8y, the line x = 4 and the x-

axis, what is the volume generated by

revolting this area about the y-axis

50.26 52.26 53.26

A 45

Find the area of the portion of the curve

x^2=y for y=1 to y=2 when it is revolved

about the y-axis.

19.84 17.86 16.75

A 46Find the area bounded by the curve

y^2=9x and its latus rectum.10.5 13.5 11.5

B 47

Find the surface area of the portion of the

curve x62 = y from y=1 to y=2 revolved

about the y-axis

19.84 17.86 16.75

B 48

Given the area of the first quadrant

bounded by the curve x^2=8, the line x+4

and the x-axis. Find the volume generated

by rotating the area about the y-axis.

A 49

Two equilateral triangle overlap each

other, forming a 5 pointed star (pentagon).

What is the area of

B 50

Regular polygon inscribed in a circle with a

radius of 12 and has 20 diagonals. How

many sides of polygon?

71Calculate the limit ((4(tanx)^3)/(2sinx-x))

as x approaches 0.

726 batteries, 2 detect, 2 batteries without

replacing

B 74A can solve 4/5, B 2/3, C 3/7. If all try,

what is the probability?0.64 0.52 0.96

A 84 Quartile deviation measure of of division central tendency certainty

A 86

In a 8:00am GMT, what is the time in the

Philippines which is located 120⁰ east

longitude?

3:00 AM 4:00 AM 3:00 PM

A 87Find the area of the spherical triangle with

radius of 5m and angles of 40, 65, and 11012.34 14.39 16.45

B 88

Determine the determinant of

| 1 -2 3 1 |

| 0 2 -9 -2 |

A = | 0 0 -3 -1 |

| 0 0 0 -1 |

6 -6 12

A 88 The coversine of A is 0.134, what is A? 60 45 30

B 89

19 kilos of gold losses 1 kilo, 10 kilos of

silver losses 1 kilo, weighed in water. Find

the weight of the gold in the bar of gold

and silver weight is 106 kilos in air and 99

kilos in water.

B 96

The lateral area of thye right circular cone

is 40pi sq. M. The base radius is 4m. Find

the slant height.

A 99

Two worker A and B, A is 2 times faster

than B. How many days they are working

together, how long does it take to worker

B alone?

B 100

A circle with the center at (0,0), radius 5

units. What is the equation of the tangent

line?

A

The rate of population growth of a certain

city is proportional to the number of

inhabitant. If the city population now is 40

million and expected to double in 25 years.

In how many years will the population be 3

times the present.

60 years 50 years 30 years

15 transistors, 3 defective, choose 2

random without replacement, prob. At

least 1 good

9 books not 3 all together

icosahedron 6cm edges volume?

Which follows logically in this series of no.

2, 3, 4, 5, 9, 17, ..33 34 36

Find the diff equation of y'=1+y2

y=tan-1

(x) + c y=tan(x) + c y=tan(x+c)

x^3 = y, y=8, y-axis revolved about the y-

axis. Find the centroid

Integral of e^x-1 / e^x+1 dx

At what time after 12 noon will the hour

hand and minute hand form 120 deg for

the first time?

integral of cos3a^8 from 0 to pi/6

Ferris wheel of 15 m in diameter moving in

1 rev per 2 mins. Center is 9m from the

ground. How fast is it moving if it is 12.5 m

above the ground?

x^2-6x+k=0.If one root exceeded the other

by two, what is the value of k? 5 -6 8

A 100 mg radium became 96 g in 200

years, how much radium will be present

after 300 years

94.06 g 92.05 g 93.10 g

Newton's Law of Cooling28 degrees

celcius

A rubber ball is dropped from a height 6 m.

On each rebound, it rises 2/3 of the height

from which it is fell. Find the distance

travelled by the ball before it comes to a

rest. 18 20 24

An alloy of silver and gold weighs 15 oz. in

air and 14 oz. in water. Assuming that

silver loses 1/10 of its weight in water and

gold losses 1/18 of its weight, how many

oz. at each metal are in the alloy?

a. silver = 4.5 oz;

gold = 10.5 oz

silver = 3.75 oz;

gold = 11.25 oz

c. silver = 5 oz;

gold = 10 oz

y^2 = C(x^3) (4,-2)

Determine the determinant of

| 2 -3 4 -2 |

| 3 4 2 5 |

A = | -5 -2 3 -4 |

| -3 2 0 -5 |

d Anwer

divergent divergent

33

62.83

75° 65°

(4,3)

99.17

114.31

4:01

44.2

12

56.57 m

4.5

189.55

51.26

18.84

12.5

18.85

0.81

dispersion

4:00 PM

15.27

-12

21

40 years

38

y=tan(x)

-8

94.06 g 95 g

26

d. silver = 2.75

oz; gold = 12.25

oz

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GIVEN SA PRE

BOARD! pero

ganito ung

problem

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ung giveN)

ID No. Set Q# Question a b

B 41 Force acting along a circumferencelongitudinal

stressyield stress

A 41

A light of about 0.0015W of 555 nm

wavelength, that corresponds to yellow-

green light which is sensitive to human

eyes.

1 candela 1 lumen

B 421 Curie is equivalent to how many

Becquerel?3.7x10^10 1.69x10^20

B 43

It is formally defined as the radiation

intensity required to produce a charge of

0.000258 Coulombs per kilogram of air.

Rad Rem

B 44

A stone tied to a string is whirled in a

horizontal circle. The velocity is then

doubled without changing the length of

the string. Afterwards, what is the

magnitude of the acceleration?

the same doubled

A 45Alpha particle is the same as the nucleus of

what atom?Hydrogen Helium

A 46

It is a kind of radioactive decay in which

the nuetron number increases by 1, atomic

number decreases by 1 and mass number

remains unchanged.

alpha decaybeta-minus

decay

26879 B 47

A double convex lens with faces of radii 22

cm and 24 cm. When an object is placed

30 cm from the lens, a real image is

formed 45 cm from the lens. Determnie

the refractive index of the lens material.

1.21 1.64

B 48

A light of about 0.0015W of 555 nm

wavelength, that corresponds to yellow-

green light which is sensitive to human

eyes.

1 candela 1 lumen

25583 A 49

What is the radiant energy received at

second over each square meter at the

right angle of sun's rays at the top of the

atmosphere?

1400 J 6000 J

25584 A 50

_______ is a thermodynamic potential

that measures the "useful" or process-

initiating work obtainable from an

isothermal, isobaric thermodynamic

system.

Gibbs free

energy

Du-pont

Potential

71

It refers to the energy change

accompanying a mole of electron being

added to a mole of electron being added

to a mole of gaseous atoms or ions.

electronic

affinitybingling energy

25586 B 72

States that the partial pressure of a solvent

over a solution is given by the vapor

pressure of the pure solvent times the

mole fraction of the solvent in the solution

Dalton's

principle of

partial pressure

de'Broglies

hypothesis

A 72

It is the process of

attracting potential employees

to the company so that the

selection process can be

carried out.

Advertising

A 73x(t) = (4m/s)t + (7m/s2)t2 + (5m/s3)t3 -

(0.35m/s4)t4

74It is the crystal formation categorize as

open form… single faceDome Pinacord

75

A carnot heat engine reserves 500kJ of

heat per cycle from high temperature

600°C and rejects heat at low

temperature at 40°C. What is the thermal

efficiency

93.33% 6.67%

B 77 A farsighted vision can be corrected by concave convex

78 Ocean floors, moving of continents

B 78A predefined unifying theory that relates..

Growth of continentsWilliam cycle

Williamsmith

cycle

A 80 character of covalent metal/non-metal metal/metal

A 82

A steel bar 50mm in diameter and 2m long

is surrounded by a shell of cast iron 5mm

thick. Compute the load that will compress

the combined bar a total of 0.88mm in

length of 2m. For steel E = 200GPa, for cast

iron E = 100GPa

291kN 240kN

83

A concentration of a 2.45 M aqueous

solution of methanol (CH3OH) is 0.976

g/mL. What is the molarity of the solution?

The mass of methanol is 32.04 g.

2.73 1.87

84How many constant are there in

Strobridge Equation of State.13 14

A 87

A machine originally costing P200,000 is

used for 10 years, its life span. Find the

book value if the salvage value is P20,000.

In 5 years?

43648 59425

B 88 Which of the following must be covalent? F2 Cs2O

A 88What do you call the additional cost. "Go-

no-go"increment cost fixed cost

B 89 Which of the following is made up of

molecules?CaBr2 KBr

91When element reacts their atoms combine

in1:1 ratio

arbitrary

proportion

92Antoine Lovine…, "53 elements", which of

the ff shows that lime is not an element

lime reacts in

water

generating a

large amount of

it

lime melts at a

frequency of

2572°C

B 93 Smoke is an example of aheterogenous

mixture

homogenous

micture

B 94

Vanillin contains 63.15% C, 5.30% H and

31.55% O whether it is extracted from

vanilla beans, synthesized chemically from

clove oils, or extracted from wood pulp

wastes. Vanillin is most likely to be

a heterogenous

mixture of

elements

a homogenous

mixture of

elements

B 95

The meteorite ALH84001 contains tiny

bubbles of gas trapped in the rock. The

chemical composition of the gas in these

bubbles matches the composition of the

Matian atmosphere as determined by

Viking spacecraft in the 1970’s. The

meteorite is an example of a/an

heterogenous

mixture

homogenous

micture

B 97What is an extensive property of a coffee

in a mug?

B 98 What is an example of physical, extensive

98

In the iron-iron carbide diagram, which

alloy in its solid phase contain more than

2% of carbon?

steel cast iron

A 99Intermetallic compound iron carbide is

called?austenite ferrite

A 100

Use to strengthen the elastic limit and

ultimate strength of a steel without

reducing its ductility.

phosphorus manganese

Suppose you want to store to store 1J of

electron potential energy in a volume of

1cu.m. in vacuum. What is the magnitude

of the electric field

475mV/m 225TV/m

sound intensity at 15 m 0.834Wb/m2, at

0.314Wb/m2. What is the distance

What is the speed of longitudinal waves in

lead rod?1.1 x 10^3 m/s 1.2 x 10^3 m/s

The wavelength of the redlight in a helium-

neon sensor is 633nm in air but 474nm in

a aqueus humor inside our eye. Comput

the speed of light

2.25 3.25

mcΔT, 50 kg, 0.45 kg/°C, 80, 0.5m3,

4.18kg/°C, 25. If steel = 200GPa, Iron =

100GPa, 83GPa

BSpecific volume is the volume of a

substance per mass. Specific volume is

a physical,

intensive

property

a chemical,

intensive

property

B

Sulfur Hexaflouride (SF6) is a colorless,

odorless acid unreactive compound.

Calculate the pressure (in atm) for 1.82

moles of gas with volume of 5.43L at 45°C

6.75 7.75

What is the packing factor of BCC? 68% 74%

A silicon diode is used as IC for

microcomputer with a mass of 5.68 g. How

many atoms are there?

5.6 x 10^-3 2.02 x 10^-10

25593

On a day when the partial pressure of

water vapor remains constant, what

happens as the temperature rises?

the relative

humidity

increases

the relative

humidity

remains

constant

25613

An ideal gas is maintained at constant

temperature. If the pressure on the gas is

doubled, the volume is

increased

fourfolddoubled

The scattering of light through a colloidal

substance

Calculate the ratio of the rate of diffusion

of hydrogen

to the rate of diffusion of oxygen. How fast

does hydrogen

diffuse than oxygen? Given: Density of

oxygen is 0.0899

g/L and the density of oxygen is 1.43 g/L.

1 2

An object in a string is whirled in horizontal

circular motion. What will happen to the

acceleration if you double the length?

P1=15 atm, V1=12 L, T1= 20 degC, V2=85

L, T2=35 degC. Find P2.

25614

If the Kelvin temperature of an ideal gas is

doubled, what happens to the rms speed

of the molecules in the gas?

increases by a

factor of 2

increases by a

factor of 4

A 2 ft section of aluminum solid is placed

end to end in front of the door. What gap

is needed to raise to 55degC?

18m 21m

Minimum angle at which light will strike

the interface of two medium

Angle of

incidence

Angle of

reflection

It is the energy change accompanying the

number of atoms in release of electrons?fission bingling energy

CPE units awarded in finishing a doctoral

degree10 20

26898What is the mass of electron travelling at

half the speed of light?2.31E-30 KG 1.56E-31 KG

The Concorde is flying at Mach 1.75 at an

altitude of 8000 m, where the speed of

sound is 320 m/s. How long after the plane

passes directly overhead will you hear the

sonic boom? 19.5 s 20.5 s

A tornado warning siren on top of a tall

pole radiates sound waves uniformly in all

directions. At a distance of 15.0 m the

intensity of the sound is 0.250 W/m2. At

what distance from the siren is the

intensity 0.010 W/m2?

75 74

blue crystalline

The average resistance of a dry adult

human body is approximately: 10000 ohms 100000 ohms

According to Philippine, What is a binary

compound

A solid steel shaft is not to

twist through more than 3

degrees in a 6 m length when

subjected to a torque of 12

kN.m. What maximum shearing

stress is developed? Use

G=83GPa.

41.3 MPA

It is a product of the

weathering of complex

silicates, particularly of

feldspars which are abundant

minerals.

clay chalk

The first stage in the heat removal during

quenching is ____

vapor blanket

stage

___ is the process by which the carbon

content of the steel is increasedcarburising

The condition of equilibrium of a body will

remain unchanged if a force acting at a

given point of the rigid body is replaced by

a force of the same magnitude and same

direction, but acting at a different point

but having the same line of action is

known as __________.principle of

transmissibility

c d answer

hoop stress ultimate stress hoop stress

1 lux 1 phot 1 lux

3.7x10^19 1.69x10^16 3.7x10^10

Roentgen Sievert Roentgen

four-times halved doubled

Krypton Uranium Uranium

gamma decay beta-plus decay

1.32 1.76 1.64

1 lux 1 phot 1 lux

10000 J 800 J 1400 J

Rabz-Eccles

energyClaussius energy Gibbs free energy

biochemical

energyfission electronic affinity

Aufbau's

principleRaoult's Law Raoult's Law

Recruitment Recruitment

244m/s

Pedion Spheroid Pedion

35.85% 64.15% 64.15%

concave and

convexlens and mirrors convex

Hypothesis

Wilson cycle Wilson cycle

non-metal/metalnon-metal/non-

metal

non-metal/non-

metal

192kN 420kN

2.81 2.98

15 16 16

65536 70923

KBr NaF F2

opportunity cost variable cost increment cost

ClBr NaBr ClBr

simple whole

numbers (one

more is possible)

simle whole

numbers (unique

in per pair of

elements)

simple whole

numbers (one more

is possible)

When a certain

soft metal is

burnt in oxygen

lime is produced

lime and carbon

dioxide are

produced when

loadstone is

tasted

When a certain soft

metal is burnt in

oxygen lime is

produced

binary

compoundelement

hererogenous

mixture

a compounf of C,

H and O

a solution of C, H

and O

a compounf of C, H

and O

binary

compoundelement

heterogenous

mixture

alpha ferrite graphite cast iron

cementite pearlite cementite

sulfur silicon silicon

336mV/m 113Tv/m

1.3 x 10^3 m/s 1.4 x 10^3 m/s 1.2 x 10^3 m/s

3.00 1.25 2.25

a chemical,

extensive

property

a physical,

extensive

property

a physical, intensive

property

8.75 9.75 8.75

68%

1.22 x 10^20 2.22 x 10^20 1.22 x 10^20

the air would

eventually

become

saturated

the relative

humidity

decreases

the relative

humidity increases

decreased by a

quarterreduced by half reduced by half

Tyndall effect Tyndall effect

3 4 4

decrease to 1/2 decrease to 1/2

2.22 atm 2.22 atm

none of the

above

increases by a

factor of square

root of 2

increases by a

factor of square

root of 2

18in 31in 18in

Angle of

diffractionCritical Angle Critical Angle

biochemical

changeelectron affinity electron affinity

30 45 45

1.61E-31 KG 1.05E-30 KG

21.5 s 22.5 s 20.5 s

77 76 75

compound

100 ohms 1000000 ohms 1000000 ohms

NaBr NaBr

clay

carburising

principle of

transmissibility

# Question A

21 word coined by George Devol Unimate

22SPI built and tested a mobile robot with vision

capabilityUnimate

23 The Tomorrow Tool T3

24 which is not part of Asimov's three laws

the robot must take the job of a

human being as long as it doesn't

make the human lazy

25

The acronym SCARA stands for Selective

Compliance Assembly Robot, a particular

design developed in the late 1970's by

Prof. Hiroshi Makino

26 PUMAProgrammable Universal Machine

for Assembly

27 what does anthropomorphic mean similar to humans

28Anthropomorphic robots are used in painting

because they aremore maneuverable

29

Invented texfile machine which operated by

punch card. The machine is called

programmable 100m

Joseph Jacquard

31Any device that is programmed to produce

automatic motion. Mostly remote controlled.medical robot

45

When the insulator is compared to the

semiconductor (a) which one requires the

least energy level to move an electron and (b)

from which point in the energy elevel does

the electron leave in its travel to the

conduction band?

(a) semiconductor (b) valence band

47 Volt-Coloumb is a unit of energy

48

Work equals 136 J is expended in moving

8.5x10^18 electrons between two points in

electric circuit. What is the potential

difference between two points?

100 V

49

In RC circuit, the capacitor charge is 2V at the

end os 5 time constants. What is the voltage

across the resistor at 3 time constant

discharge?

0.99 V

51 600 At, 2x10^6 At/Wb. Find Wb 30x10^-6

52 50 V, 120 C/min, find J/sec. 100 Joules / second

53 106.2812 |-18 deg.

54 1.215 MJ

55 28 V

57 lower resistance

59 Magnets are stored in pairs in order toprovide complete path of magnetic

flux

61 coupling coefficient L1 = 80uWb; L2 = 60uWb 0.75

63 90 deg. hall effect

64 a general law involving distrubution of

charges in any closed surface Gauss' Law

68 Major carriers in an N-type material electron

70 electron

98 eddy current

# Question Answer

1 capacitive susceptance positive imaginary

2 total opposition to current flow impedance

3vector pointing "southeast" in the GB plane

would indicate:

conductive and inductive

susceptance

4 not an example of true power

product of rms ac through a

capacitor and the rms voltage

across it

5 should be minimized in an RF transmission line the line loss

6 does not increase loss in a transmission line reducing power output of source

7 phase angle is equal to arctan X/R

8 in a household circuit, the 234-V power has: three phases

9 autotransformer consists of a single tapped winding

10The shell method of transformer winding:

provide maximum coupling

11transformer has secondary-to-primary turns

ratio of 0.167a step-down unit

12disadvantage of MOS components is the fact

that

they can be easily damaged by

Static Electricity

13 to conduct, how must a photodiode be biased reverse biased

14when pn junction is forward biased,

conduction will not occur unless

applied voltage exceeds forward

breakover voltage

15does not affect the junctiona capacitance of a

diodethe phase of an applied ac signal

16 the capacitance of a varactor varies with reverse voltage

17

you want circuit to be stable with a vaiety of

amplifier impedance conditions. You might

consider a coupling using:

an optoisolator

18 emission of energy in an IRED is caused byelectron energy-level changes

within atoms

19transient suppression is of importance mainly

because it minimizes risk ofdiode failure

20configuration noted for its stability in RF

power amplifierscommon base circuit

30

robot arm that moves along three

independent axes, each of which is straight

and perpendicular to the other two

Cartesian coordinate geometry

32 circuit has an admittance of Y = 0.2 + j0.6 capacitive

33

a 6 ohm resistor is connected in series with a

capacitive reactance of 8 ohm. If the supply

voltage is 200V, what is the power consumed

by the circuit

2400 W

34

a 100m long wire with a cross-sectional area A

= 10^(-3) m^2 has a resistance of 10 ohm.

Determine resistivity of wire

10^(-4) ohm-meter

35series ac-circuit with frequency more than

resonant frequency behave asinductive

36line frequency of a parallel ac-circuit is less

than resonant frequency, circuit behaves asreactive

37characteristics of current in series R-L-C circuit

at resonanceit is at maximum

38cause of minimum Q on a single-tuned LC

circuitincreased shunt resistor

39material which possess very high

permeabilitiesferromagnetic

40relative permeability of a paramagnetic

substanceslightly greater than 1

41 output of four lead acid cells 8.4 V

42silver-cadmium cell has nominal open-circuit

voltage of1.05 V

43Generation of voltage in a generator can only

happen when?

there is a relative motion between

conducting wires and magnetic

lines of force

44 two essential parts in rotating generatorselectro/permanent magnets and

armature winding

46insulation resistance can be best defined as

ability of insulating material to resist current leakage

50primary reason why carbon brushes are

preferred over copper brushes in dc motorsthey produce less arcing

56 maximum voltage output from voltage divider equal to the supply voltage

58 of the following, the best conductor is copper

60direction of magnetic field around a vetical

conductor when current flows upwardclockwise

62electrstatic fields have what effect on: free

electrons; bound electrons

attracts them to positive charges;

distorts their orbits

65

For maximum power transfer between

circuits, what impedance relationship should

there be between the two circuits?

The output impedance of circuit

number one should be equal to the

input impedance of circuit number

two

66

For maximum current transfer, what should

be the relationship of input impedance to

output impedance of previous stage

lower than

67insulation resistance can be best defined as

ability of insulating material to resist current leakage

69when you work on synthetic insulated wiring,

what safety precaution must be observed?

avoid breathing vapors when

insulation is heated

71what is the common name for enamel

insulated wiremagnet wire

72when multiconductor cables are spliced, why

are splices staggeredto reduce overall size of joint

73conductor protection are normally used for

shipboard wiringlead sheathing and rubberized tape

74

when heat-shrinkable tubing is used, what

max temperature to which wire should be

subjected

300 deg. F

75avalanche voltage is routinely exceeded when

a P-N junction acts as avoltage regulator

76why is a lockwasher not used with an

aluminum terminal

the washer will gouge the lug and

cause deterioration

77 what is meant by the term "tinning"coating the material to be soldered

with a light coat of solder

78for which of the following reasons are

conductors laced togethereach of the above

79why is a lacing shuttle used when conductors

are laced in bundles

it helps prevent the cord or tape

from fouling

80which meter movement will measure either

ac or dc without the use of a rectifierelectrodynamic

81ammeter measures various ranges through

addition of

shunt resistor in parallel with the

meter movement

82how is the effect that an ammeter produces in

a circuit kept to a minimum

by ensuring that meter resistance

is low compared to circuit

resistance

83which of the following methods is used to

dampen a meter

incorporate an airtight chamber

containing a vane

84how does an ammeter affect circuit being

measured

it acts as a resistance in series and

lowers circuit current

85

when current in a conductor is measured

without conductor being disconnected, which

of following meters could be used

hook-on voltmeter

86 fuse voltage rating isthe maximum voltage across a fuse

that will not jump the open fuse

87total number of main components in a circuit

breaker5

88maximum number of different single-pole,

single-throw switch positions possible2

89selective tripping is used to accomplish which

of the following purposes

to isolate faulty circuit without

affecting other circuits

90

control of a circuit requiring a temporary

actuation signal is provided by which of the

following switches

momentary

91 ohmmeter

92 a solenoid is commonly used in a starter for a motor vehicle

93

if a relay is hermetically sealed with an

opaque cover, which of the following methods

should be used to determine whether the

relay is operating

remove cover and visually observe

relay contacts when relay is

activated

94

the magnetic field surrounding a straight

conductor is what shape; is in what position

relative to the conductor

concentric circles; perpendicular

95

when a magnetic field moves through a

stationart conductor, the electrons in orbit are

affected in what manner

they are dislodged from orbit

96

when source voltage is removed from a

current-carrying conductor, a voltage will be

induced in the conductor by which of the

following actions

collapsing magnetic field

97

what term applies to power loss in an iron

core inductor due to the curent induced in the

core

hysteresis loss

99

if a coil is wound in layers, its inductance will

be greater than that of a similar single-layer

coil because of higher

flux linkage

100

the output voltage of an elementary

generator is coupled from the armature to

brushes by what devices

slip rings

B C D Answer

Universal

AutomationCybernetics Shakey Universal Automation

Universal

AutomationCybernetics Shakey Shakey

T3

the robot must take the job

of a human being as long as

it doesn't make the human

lazy

George Devol Isaac Asinov Isaac Newton Prof. Hiroshi Makino

Programmable

Universal Machine

Arm

Programmable Universal

Machine for Assembly

similar to humans

more maneuverable

Joseph Jacquard

educational robot show robot hobbyist robot hobbyist robot

(a) insulator (b)

valence band

(a) semiconductor (b)

forbidden band

(a) insulator (b)

forbidden band

(a) semiconductor (b)

valence band

energy

85.36 V 75.36 V 90 V 100 V

19 V 20 V 0.03 V 0.99 V

300x10^-6 300x10^-6

100 Joules / second

106.2812 |-18 deg.

1.215 MJ

28 V

lower resistance

provide complete path of

magnetic flux

0.75

hall effect

Coulomb's Law Oersted Law Tesla Law Gauss' Law

electron

electron

eddy current

ID Comment

8537

5064

8551

8559

8568

8569

8565

8590

8592

8586

8582

8685

4895

8614

8617

8628

8634

8636

8653

8670

8868

10759

10747

10483

10771

10772

10776

10767

10563

10564

11238

11239

11254

11255

4484

11299

8348

8274

12676 change answer sa interactive

4329

4996

4997

4484

4491

4498

4505

4499wire braid armor and

nonmagnetic steel tape

4513

8616

4516

4520

4542

4545

4361

4368

4366

4358

4365

4402

4414

4434

4448

4440

4450

4460

4462

place your finger on the

cover and feel relay contact

movement

4250

4292

4298

4324

4310

4561

ID No. Set Q# Question a b

A 42The frequency of the horizontal time base

is _______?

B 43 What is the first active earth satellite? Sputnik I Explorer I

9962 B 44 Indicate the false statement

impulse noise

voltage is

independent of

bandwidth

HF mixers are

generally noisier

than HF

amplifiers

A 45The frequency of the field timebase is

_____?25 Hz 50 Hz

9986 B 47 A piston attenuator is a Vane attenuatorWaveguide below

cutoff

9987 B 48Cylindrical cavity resonators are not used

with klystrons because they have

a Q that is too

low

a shape whose

resonant

frequency is too

diffcult to

calculate

A 49

It is a technology industry term that

describes a demise of a company caused

by premature announcement of new

product while their predecessor product

are still being sold in the market

Market effect Osbourne effect

A 50 Diameter of a CD 12 cm 13 cm

71 What is the aspect ratio of an HDTV? 16:09 4:03

72

The device responsible for converting the

2-wire line from local system into 4-wire

line to couple with the ISDN equipment.

Network

Terminal

Equipment

Transformer

74What is the other name for beverage

antennalove antenna analogue antenna

75 What is the shortest wavelength of light red green

A 76

The nominal acceleration on the particle at

the rim, 10 ft in diameter of the

acceleration of 1200 ft/s2. Speed?

B 77What type of second detector is used in

AM?mixer PLL

A 77 Farsighted convex concave

B 78

Compute the time it takes to send

message 11CB hexadecimal, to transfer

from 1 network to another using 8-bit

parallel with transfer rate 1ms/transfer

1ms 2ms

B 81 Which has a wider spectral width? laser phototransistor

A 81

Consider the [1 1 0] planes of face

centered silicon crystal with the lattice

constant 4.5 armstrong, determine the

surface density of atoms in each plane.

8.98 x 10^14

atoms/cm^2

7.98 x 10^14

atoms/cm^2

B 82

A field strength of a free space signal is

measured as 2uV/m at a distance of

8500km what is transmitter power?

563W 600W

B 83What is the numerical aperture of a fiber

having an angle of acceptance 20°3.4 0.34

B 88

The field intensity is 25mV/m develops

2.7V in a certain antenna. What is its

effective height?

108 m 108 ft

B 89

The OSI layer provides means for

cooperating presentation entities to

organize and synchronize their dialogue

and to manage data exchange

Session Transport

91

Efficiency of the antenna is 82%. The

radiation resistance is 30ohms. What is the

value of its loss resistance.

6.58 12.52

B 92

It’s the relationship between output

current and input light power for

photodetector

spectral

efficiencydispersion

B 93Class of FM station used for educational

purposesClass D Class A

B 94

It is a special circuit in AM receiver

purposely to quiet a receiver in the

absence of received signal.

squelch circuit VCO

B 95In typical FM receiver, the IF amplifier is

tuned by frequency of ____.

470 kHz +

sidebands

4.7 Mhz +

sidebands

B 97For a transmission line load matching over

a range of frequencies, it is best to use adouble stub balun

B 98 What is simplest form of telephone PSTN PABX

A 99

A broadband television channel transmit

6MHz. What is the minimum signal-to-

noise ratio, in dB, for maximum data rate

that could be carried by the tv using 16 bit

level-coding (ignore noise)?

24dB 12dB

A 100

The American TDMA digital cellphone

standard transmits 24.3 kilo band using

the DQPSK. What is the channel data rate?

4.86 12.15

MPEG for standard digital television and

DVDMPEG 1 MPEG 2

Which of the ff do not refer to a

transmission of signal by varying its

amplitide?

Amplitide Shift

Keying

Digital Amplitude

Modulation

SIM card size 15 x 20 mm 15 x 25 mm

CODEC MPEG 1 MPEG 2

STMSynchronous

Transfer Mode

Synchronous

Transport

Module

In broadcast TV channel with a bandwidth

of 6MHz, what is the minimum permissible

signal to noise ratio in dB for the maximum

data rate that could be carried to the TV

channel using 16 level code (ignore noise)

12 24

Which of the ff are being added to a digital

signal to help the receiver to detect the

start and end of frame bits

Parity check bits Stop bits

Wifi has a typical range of a few hundred

meters but wimax can have a range of up

to?

10 mi 20 mi

There are three mandatory codecs for a

player which includes H.264, VC-1 and?MPEG 1 MPEG 2

Translating pixels integer into 8-bit

unsigned informationQuantizer Encoder

Maximum capacity of CD is 400 Mb

Bluetooth maximum range at 20dB 10m 50m

First passive satellite transponder

14080 Indicate the false statement

The noise

generated in a

resistance or the

resistive

component of

any impedance is

random

random noise

power is

proportional to

the bandwidth

over which is

measured

Frequency hopping used for bluetooth spread spectrum direct sequence

13919

A ship to ship communications system is

plague by fading. The best soultion seems

to be the use of

a more

directional

antenna

a broadband

antenna

Gourp built for bluetooth composed of

ericson, ibm, intel, nokia and toshiba….3GPP SIG

IEEE specification for wireless LAN 802.3 802.14

In data communications, coaxial cable RG-

11 is used in what applicationIBM 3270 Thin ethernet

Wimax used OFDM which provides data

rates up to75 mbps 85 mbps

Satellite that provides service within a

single countryDOMSAT COMSAT

Theoretical maximum downstream

transmission speed of ADSL16 mbps 32 mbps

In digital communication, it refers to

pattern showing all possible combinations

of amplitude and phase for a signal. What

is it?

State DiagramTransistion

Diagram

Which of the following is not used in data

transmission varying of the amplitude of

the transmitted signal

Amplitude Shift

Keying

Digital Amplitude

Modulation

error due to themismatch between the

exact value of the analog signal to the

closest available quantizingstep in a digital

coder

quantizing error message error

bits added at the beginning and end to for

synchronizationframing bits start bits

the absorption od a radio wave is

dependent on

The North America has a baud rate of

24kbaud, QPSK. Find the bitrate?13 29

The TV has a bandwidth of 6 MHz for a 16

bit level code. What is the S/N ratio? 26db 28db

For a given QPSK, what is the bandwidth

given a frequency of 6MHz?3 MHz 6 MHz

Why are open wire lines still used in

Telephone System?

it has a wide

bandwidth

used in

multiplexing

The phase relationship between signaling

elements for BPSK is the optimum

signaling format and occurs only when two

binary signal levels are allowed and when

one signal is exact negative of the other.

Phase

ReferencingCarrier Recovery

Affected by the distance between the

listener and the source and its intensity

varies inversely with the square of this

distance

Volume Bass

The tendency of high-frequency

alternating

current to travel along the surface of a

conductor; the high-frequency reactance is

lower along the outside than at the center

of a conductor.

skin effect

A directional coupler with three or more

holes is sometimes used in preference to

the two-hole coupler

to increase

bandwidth of the

system

Bluetooth usesfrequency

hopping

Bluetooth uses ISM band

c d Answer ID

Echo Moon Sputnik I 14167

Thermal noise is

independent of

the frequency at

which it is

measured

Industrial noise

usually of the

impulse type

impulse noise

voltage is

independent

of bandwidth

9962

100 Hz 625 Hz 50 Hz

Mode filter Flap attenuatorWaveguide

below cutoff9986

too heavy losses

harmonically

related resonant

frequencies

harmonically

related

resonant

frequencies

9987

Hall effect MAC effectOsbourne

effect

14 cm 15 cm 12 cm

1.68:1 both a and c 16:09

Terminal Adapter Hybrid

Network

Terminal

Equipment

eto sagot

na

pinakita sa

perc pero

lam ko

terminal

adapter

wave antenna long antenna wave antenna

yellow blue 13248

77.46 ft/s

lattice diode diode

convex

3ms 16ms 2ms

ILD LED LED

6.98 x 10^14

atoms/cm^2

1.10 x 10^14

atoms/cm^2

6.98 x 10^14

atoms/cm^2

963W 1000W 963W

0.94 0.364 0.34

5 m 9.25 m 108 m

Physical Application Session

7.7 6.14 6.58

Quantum

efficiencyresponsivity responsivity

Class B Class C Class D

AGCanti-twinkler

circuitsquelch circuit

8.9 Mhz +

sidebands

10.7 Mhz +

sidebands

10.7 Mhz +

sidebands

broadband

directional

coupler

single stub of

adjustable

position

double stub

POP POTS POTS

48dB 96dB 24dB

9.72 19.44 12.15

MPEG 3 MPEG 4 MPEG 2

Amplitude

ModulationOn-Off Keying

Amplitude

Modulation

20 x 25 mm 25 x 35 mm 15 x 25 mm

MPEG 3 MPEG 4 MPEG 2

Synchronous

Transport

Module

48 96 24

Start bits Framing bits Framing bits

30 mi 40 mi 30 mi

MPEG 3 MPEG 4 MPEG 2

Vocoder

Discrete

Cosine

Transform

800 Mb 1G 650 Mb

100m 500m 100m

moon moon

all formula to

random noise are

applicable only to

the value such

noise

a random voltage

across the

resistor does not

exist

a random

voltage across

the resistor

does not exist

14080

spread

spectrum

space diversityfrequency

diversity

frequency

diversity

ASG UMTS SIG

802.11x 802.11b 802.11b

CATV systems Thick ethernet Thick ethernet

95 mbps 105mbps 85 mbps

INTELSAT ARABSAT DOMSAT

64 mbps 8 mbps 16 mbps

Trellis DiagramConstellation

Diagram

Constellation

Diagram

Amplitude

ModulationOn-Off Keying

Amplitude

Modulation

quatizing errorfoldover

distortionaliasing

stop bits framing bitsnone of the

above

their

frequency

38 48 48

30db 24 db 24 db

12 MHz 1 MHz 3 MHz

It is not

economical to

replace it

both A and C

It is not

economical to

replace it

Squaring LoopAntipodal

Signaling

Antipodal

Signaling

Treble Loudness Loudness

skin effect

to increase

bandwidth of

the system

frequency

hopping

ISM band