Previous Exams

Electrician Pump Operator,Revenue - 2015

 

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1. What is the form factor of pure sine wave?
0.11

1.01

1.00

1.11
2. Chisels are made of
High Carbon steel

High Speed steel

Cast steel

Tungsten steel
3. A magnifying glass is used:
During filling operation

While taking precision measurements

During chipping operation

During Cutting operation
4. A delayed-action cartridge fuse is used for :
Motor circuits

Lighting circuits

Heating circuits

None of these
5. The effect of smoke,acid and alkali is negligible on :
TRS wire

VIR wire

Lead sheathed wire

Flexble wire
6. The inner tube of HPMV lamp is filled with:
Argon gas

Halogen gas

Helium gas

Nitrogen gas
7. Total elecrical degrees for a 4pole AC machine is equal to :
180

360

720

1080
8. Which conductor is used as semiconductor material?
Copper

Plastic

Silicon

Tungsten
9. Highest dopped region in a transistor is:
Emitter

Base

Collector

All equally
10. Energy radiated continuously in the form of light-waves is called?
Lumen

Illumination

Luminous intensity

Luminous-flux
12. Impurities in an electrolyte can cause an internal short-circuit condition called:
Electrolysis

Depolarization

Polarization

Local action
13. Permanentmagnets are normally made of
Aluminium

Wrought iron

Cast Iron

Alnico alloys
14. Induction instruments have found widest application as:
Watt hour meter

Frequency meter

Voltmeter

Ammeter
15. The power factor of an ordinary electric bulb is:
Zero

Unity

Lagging

Leading
16. Function of a relay is :
Fault Detection

Energize the tripping circuit

Both (a) and (b)

No of the above
17. The electrolyte of lead acid battery is :
H2SO4

PbSO4

H2O

KOH
18. In an AC circuit ,the ratio of KW/KVA represents:
Load power factor

Form factor

Power factor

Diversity factor
19. The ratio of average load to the maximum demand during a given period is known as:
Average factor

Demand factor

Load factor

Power factor
20. The Capacity of a transmission line is a :
Series element

Shunt elemement

Either (a) or (b)

None of these
21. If the diameter of conductor decreases,inductance of the line is:
Increased

Decreased

Not affected

None of these
22. If the power factor of the load decreases ,the line losses:
Not changed

Decreased

Increased

Either (b) or (c)
23. Under operating conditions,the maximum stress in a cable is at:
Centre of conductor

End of conductor

Same

Conductor surface
24. In practice,tap-changing is performed on load so that there is ___________________ to supply.
Interrupted

Non interuption

Either (a) or (b)

None of these
25. The principle cause of voltage variation in sstem is depend on:
Power factor

Freuency

Size of conductor

Load
26. Forced-blast circuit beakers have _________________ speed of circuit interruption
Low

Medium

High

Very High
27. The time current characteristics of a fuse has :
Direct

Inverese

Linear

None of these
28. The melting point of fuse element should have :
Low

Medium

High

Very high
29. Capacitive current breaking result in :
Current surges

Harmonics

Arcing

Voltage Surges
30. The voltage build-up process of a dc generator is :
Difficult

Delayed

Infinite

Cumulative
31. The voltage regulation of an over compound dc generator is always:
Negative

Positive

Zero

High
32. The normal value of the aramature resistance of a dc motor is:
0.005

0.5

10

100
33. A dc motor develops a torqueof 200N-m at 25 rps. At 20 rps it will develop a torque of ___________ N-m
128

160

200

250
34. The speed of dc motor is inversely its:
Flux

Voltage

Frequency

Pole
35. Which test for using to find stray losses on dc shunt motor?
Hopkinson's

Swinburne's

Field's

Retardation
36. A transformer has a negative voltage regulation when it is load power factor is:
Zero

Leading

Unity

Lagging
37. A T-T transformer cannot be paralleled with ________________ transformer
V-V

Y-A

Y-Y

None of these
38. The rpm of turbo alternator has :
Low

Medium

High

Any of these
39. The efficiency of a 3-phase induction motor is approximately proportional to :
S

N

Ns

(l-S)
40. To change the DOR of repulsion motor is:
To shift brush position

To interchange phase and neutral

To varying frequency

All of the above
41. In dual cycle the heat is added at:
Constant temperature and pressure

Constant pressure and constant volume

Constant pressure and constant temperature

Constant pressure and adiabatic
43. Catalytic convertor is fitted in between:
Inletmanifold and fuel pumps

Exhaust manifold and port

Inlet manifold and crank case

Exhaust manifold and silencer
44. In maintanance free battery the plate grids are made of :
Lead and Calcium

Lead and antimony

Lead and arsenic

Lead and beryllium
45. Cylinder linears are made of :
Alloy steel

Cast Iron

Forged steel

Gun metal
46. Outward tilting of the front wheel at top in vertical line:
Negative Camber

Positive Caster

King pin inclination

Positive camber
47. In torsion bar suspension the road shock absorbed the torison bar by:
Compression

Tension

Twisting

Deflection
48. The straightness of a cam shaft can be checked by :
Straight edge

Steel rule

Dial guage

Bevel guage
49. De-dion axles are used in :
Rear five axle with independent suspension

Rear dead axle with rigid axle suspension

Front live axle with independent suspension

Front dead axle with rigid axle suspension
50. The valves contain in the pressure cap of radiator is:
Vacuum and pressure valves

Atmospheric and vacuum valve

Blow of valve

Thermostat valve
51. If the unsprung weight is kept maximum ,causes:
Uncomfortable ride

Better stability

Comfortable ride

Reduce side thrust
52. The energy produced by the engine is loss through the exhaust gas is:
10%

30%

25%

35%
53. Thermostat is located in between :
Water pump and collector tank

Cylinder head and header tank

Water pump and head tank

Water pump and water jacket
54. Knocking tendency in S.I. engine can be reduced by:
Increasing compression ratio

Increasing wall temperature

Decreasing engine speed

Increasing engine speed
55. Most commonly used lubricants are made from:
Animal oil

Vegetable oil

Mineral oil

Synthetic material
56. Unit of kinematic viscosityis:
Centi stock

Centi poise

Milli stock

Milli poise
57. The ratio speed of cam shaft and skew gear of oil pumps is :
2:1

3:1

1:1

1:2
58. One Newton is equal to:
108 dyne

107 erg

105 erg

105 dyne
59. The rolling tendency of the vehicle can be reduced by :
Panhard rod

Stabilizer rod

Radius rod

Bell crank
60. The centrifugal advance mechanism in the distributor is works in relation to:
Engine speed

Engine load

Engine torque

engine power
61. The energy conversion during brake application:
Mechanical energy to kinetic energy

Kinetic energy to heat energy

Heat energy to mechanical energy

Kinetic energy to mechanical energy
62. Clutch facings are made of :
Asbestose

Steel

Leather

Fabric
63. In diaphragm clutch the wear of the clutch lining causes the clutch pedal to:
Spongy

Pulsation

Hard

Normal
64. The ratio of side force sustained and slip angle is called:
Self righting torque

Caster trail

Cornering force

Cornering power
65. While driving through a curved road the driver has to steer the vehicle more than it theoritically required this condition is called :
Over steer

Under steer

Neutral steer

None of these
66. The approximate pressure in the power steer system is:
3Kpa

3Mpa

7Mpa

30Kpa
67. The aspect ratio of the tyre is the ratio of :
Tyre section width/Tyre

Answer2

Answer3

Answer4
68. The excessive positive camber on wheel causes the tyre to wear
More at center

More at outer edge

More at inner edge

More at sidewall
69. the cone clutches are used in:
Sliding mesh gear box

Constant mesh gear box

Epicyclic gear box

Synchro mesh gear box
70. Which type of the tyre gives riding comfort at slow speed?
Cross ply

Radial ply

Solid tyre

(b) and (c)
71. Which are the valves included in combination valves in hydraulic brake system?
Proportionating-Pressure differential-Breake valve

Proportionating -Metering-Break valve

Proportionating-Metering-Pressure differential valves

Protection valve-Break valve-Vacuum release valve
72. Minimum age for securing an Indian union driving license with authorization to drive transport vehicle:
21 yrs

18 yrs

16 yrs

20 yrs
73. which tool is used to give uniform tightness in a bolt or stud?
Ring spanner

Ratchet spanner

Torque wrench

Allen wrench
74. What are the regulators are not necessary in charging system used with alternator?
Current regulator and voltage regulator

Speed regulator and voltage regulator

Voltage regulator and cut out

Current regulator and cut out
75. The head lamp reflectors are made:
Spherical shape

Flat shape

Hyperbolic shape

Parabolic shape
76. Who introduced first wind screen wiper in motor vehicle?
Willys knight

W.W. Burton

Diamler benz

Camille Jentazy
77. Sludge is formed when the oil is mixed with :
Water

Fuel

Ethyl

Exhaust gas
78. A.B.S. stands for:
Auxillary Break System

Anti lock Break System

Air Bag System

Air Break system
79. Which gas is inflated in the air bag during collision?
Oxygen

Carbon di oxide

Hydrogen

Nitrogen
80. Super charging in S.I. engine the possibility of detonation is:
Decreases

Increases

Same

None of these
81. The land surrounded by sea on three sides is called:
Peninsula

Coast

Island

Straits
82. Which planet is known as Red Planet?
Saturn

Mercury

Sun

Mars
83. The twin of Narmada river :
Luni

Tapi

Mahi

Sabarmati
84. Latitude and Altitude determines which climatic elements of a place:
Pressure and Wind system

Temperature

Rain fall pattern

All the above
85. Which of the latitudes passes through the middle of our country?
Tropic of capricon

Tropic of cancer

Equator

82 degree 30N
86. Which prevents the southwest monsoon winds from escaping from India?
Seas

Low pressure over Central Asia

Himalayas

The Great Indian Desert
87. National Bank for Agriculture and Rural Development was established in:
1982

1983

1984

1985
88. NOAPS - poverty alleviation scheme benefits which section of people:
Children

Women

Old people

All the above
89. The only state in India the shows an excess of females over males is:
Kerala

Punjab

West Bengal

Assam
90. Ranapratap Sagar dam is located in:
Orissa

Rajasthan

Punjab

Maharashtra
91. The first organised agitation against orthodoxy in Kerala, for the rights of the depressed classes:
Guruvayur Sathyagraha

Mappila outbreak

Vaikkom Sathyagraha

None of the above
92. Who published Vivekodayam?
Brahmananda Sivayogi

Narayana Guru

Sahodaran Ayyappan

Kumaranashan
93. One important work of Chavaraachan:
Atmanuthapam

Udyannavirunnu

Atmavidhya

Sathyarthaprakashika
94. Saivaprakasika sabha started by:
Narayana Guru

Dr.Palpu

Thycaud Ayya

Chattampi Swamikal
95. Which leader was arrested during the time of Swati Tirunal Maharaja for his progressive ideas?
Narayana Guru

Vaikunda Swamikal

Dr.Palpu

Vakkom Maulavi
96. For the outstanding services to his community he was nominated by the Travancore Government as a member of the sree Moolam Praja Sabha?
Kumaranashan

Vakkom Maulavi

Sahodharan Ayyappan

Ayyankali
97. Who among the following resigned from the membership of the Viceroys Executive Council as a protest against Jallian Walla Bagh massacre?
MA.Jinnah

Nehru

Ramaswami Naiker

C.Sankaran Nair
98. During the company rule the Window Remarriage Act was drafted by:
Lord Dalhousie

Lord Canning

Lord Clive

Lord Curzon
99. Number of east flowing rivers in Kerala:
4

3

5

6
100. Oldest sports in the world:
Football

Cricket

Archery

Tennis