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