ELECTRICIAN/PUMP OPERATOR,REVENUE SOLVED PAPER 2015

ELECTRICIAN/PUMP OPERATOR,REVENUE

EXAM DATE:16-12-2015
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1.What is the form fator of pure sine wave?

A.0.11

B.1.01

C.1.00*

D.1.11

Ans:C

2.Chisels are made of:

A.High carbon steel*

B.High speed steel

C.Cast steel

D.Tungsten steel

Ans:A

3.A magnifying glass is used:

A.During filling operation

B.While taking precision measurements

C.During chipping operations*

D.During cutting operation

Ans:C

4.A delayed-action cartridge fuse is used for:

A.Motor circuits

B.Lighting circuits

C.Heating circuits*

D.None of these

Ans:C

5.The effect of smoke,acid and alkali is negligible on:

A.TRS wire

B.VIR wire*

C.Lead sheathed wire

D.Flexible wire

Ans:B

6.The inner tube of a HPMV lamp is  filled with:

A.Argon gas*

B.Halogen gas

C.Helium gas

D.Nitrogen gas

Ans:A

7.Total electrical degrees for a 4 pole AC machine is equal to:

A.180⁰

B.360⁰

C.720⁰*

D.1080⁰

Ans:C

8.Which element is used as semiconductor material?

A.Copper

B.Plastic

C.Silicon

D.Tungston*

Ans:D

9.Highest dopped region in a transistor is:

A.Emitter

B.Base*

C.Collector

D.All equally

Ans:B

10.Energy radiated continuously in the form of light-waves is called:

A.Lumen

B.Illumination

C.Luminous intensity

D.Luminous-flux*

Ans:D

11.What is the working temperature of a thoriated tungsten filament?

A.1600⁰C

B.1700⁰C

C.1800⁰C*

D.2000⁰C

Ans:C

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

A.Electrolysis

B.Depolarization*

C.Polarization

D.Local action

Ans:B

13.Permanent magnets are normally made of:

A.Aluminium*

B.Wrought iron

C.Cast iron

D.Alnico alloys

Ans:A

14.Induction instruments have found widest application as:

A.Watt hour meter

B.Frequency meter

C.Voltmeter

D.Ammeter*

Ans:D

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

A.Zero

B.Unity

C.Lagging

D.Leading*

Ans:D

16.Function of a relay is:

A.Fault detection*

B.Energize the tripping circuit

C.Both(A)and (B)

D.None of the above

Ans:A

17.The electrolyte of lead acid battery is:

A.H2SO4

B.PbSO4*

C.H2O

D.KOH

Ans:B

18.In ac AC circuit,the ratio of KW/KVA represents:

A.Load power factor

B.Form factor

C.Power factor*

D.Diversity factor

Ans:C

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

A.Average factor*

B.Demand factor

C.Load factor

D.Power factor

Ans:A

20.The capacitance of a transmission line is a:

A.Series element

B.Shunt element

C.Either(A)or(B)

D.None of these*

Ans:D

21.If the diameter of conductor decreases,inductance of the line is:

A.Increased

B.Decreased*

C.Not affected

D.None of these

Ans:B

22.If the power factor of the load decreases,the line losses:

A.Not changed

B.Decreased*

C.Increased

D.Either(B)or(C)

Ans:B

23.Under operating conditions,the maximum stress in a cable is at:

A.Centre of conductor

B.End of conductor

C.Same*

D.Conductor surface

Ans:C

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

A.Interrupted

B.No interruption

C.Either(A)or(B)

D.None of these*

Ans:D

25.The principle cause of voltage variation in system is depend on:

A.Power factor*

B.Frequency

C.Size of conductor

D.Load

Ans:A

26.Forced-blast circuit breakers have--------------speed of circuit interruption.

A.Low

B.Medium

C.High

D.Very high*

Ans:D

27.The time current characteristics of a fuse has:

A.Direct*

B.Inverse

C.Linear

D.None of these

Ans:A

28.The melting point of fuse element should have:

A.Low

B.Medium*

C.High

D.Very High

Ans:B

29.Capacitive current breaking result is:

A.Current surges*

B.Harmonics

C.Arcing

D.Voltage surges

Ans:A

30.The voltage build-up process of a de generator is:

A.Difficult

B.Delayed

C.Infinite*

D.Cumulative

Ans:C

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

A.Negative*

B.Postitive

C.Zero

D.High

Ans:A

32.The normal value of the armature resistance of a dc motor is:

A.0.005

B.0.5*

C.10

D.100

Ans:B

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

A.128

B.160

C.200*

D.250

Ans:C

34.The speed of dc motor is inversely its:

A.Flux*

B.Voltage

C.Frequency

D.Pole

Ans:A

35.Which test for using to find stray losses on dc shunt motor?

A.Hopkinson’s

B.Swinburne’s

C.Field’s

D.Retradation*

Ans:D

36.A transformer has negative voltage regulation when its load power factor is:

A.Zero

B.Leading

C.Unity

D.Lagging

Ans:------

37.A T-T transformer cannot be paralleled with-----------transformer.

A.V-V

B.Y-Delta

C.Y-Y

D.Delta-Delta*

Ans:D

38.The rpm of turbo alternator has:

A.Low

B.Medium

C.High

D.Any of these*

Ans:D

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

A.S*

B.N

C.Ns

D.(1-S)

Ans:A

40.To change the DOR of repulsion motor is:

A.To shift brush position

B.To interchange phase and neutral*

C.To varying frequency

D.All of the above

Ans:B

41.In dual cycle the heat is added at:

A.Constant temperature and pressure

B.Constant pressure and constant volume*

C.Cosntant pressure and constant temperature

D.Constant pressure and adiabatic

Ans:B

42.The pipes connected with F.I.P and injector is made of:

A.Copper

B.Aluminium

C.Steel*

D.Braided P.V.C

Ans:C

43.Catalytic converter is fitted in between:
A.Intel manifold and fuel pump

B.Exhaust manifold and port

C.Inlet manifold and crank case

D.Exhaust manifold and silencer*

Ans:D

44.In maintenance free battery the plate grids are made of:

A.Lead and calcium*

B.Lead and antimony

C.Lead and arsenic

D.Lead and beryllium

Ans:A

45.Cylinder liners are made of:

A.Alloy steel

B.Cast iron*

C.Forged steel

D.Gun metal

Ans:B

46.Outward tilting of the front wheel at top in vertical line:

A.Negative camber

B.Positive caster

C.King pin inclination

D.Positive camber*

Ans:D

47.In torsion bar suspension the road shock absorbed the torsion bar by:

A.Compression

B.Tension

C.Twisting*

D.Deflection

Ans:C

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

A.Straight edge

B.Steel rule

C.Dial gauge*

D.Bevel gauge

Ans:C

49.De-dion axles are used in:

A.Rear five axle with independent suspension*

B.Rear dead axle with rigid axle suspension

C.Front live axle with independent suspension

D.Front dead axle with rigid axle suspension

Ans:A

50.The valves contain in the pressure cap of radiator is:

A.Vacuum and pressure valves*

B.Atmospheric and vacuum valve

C.Blow of valve

D.Thermostat valve

Ans:A

51.If the unsprung weight is kept maximum,causes:

A.Uncomfortable ride*

B.Better stability

C.Comfortable ride

D.Reduce side thrust

Ans:A

52.The energy produced by the engine is loss through the exhaust gas is:

A.10%

B.30%

C.25%

D.35%*

Ans:D

53.Thermostat is located in between:

A.Water pump and collector tank

B.Cylinder head and header tank*

C.Water pump and header tank

D.Water pump and water jacket

Ans:B

54.Knocking tendency in S.I.engine can be reduced by:

A.Increasing compression ratio

B.Increasing wall temperature

C.Decreasing engine speed

D.Increasing engine speed*

Ans:D

55.Most commonly used lubricants are made from:

A.Animal oil

B.Vegetable oil

C.Mineral oil*

D.Synthetic material

Ans:C

56.Unit of kinematic viscosity is:

A.Centi stock*

B.Centi poise

C.Milli stock

D.Milli poise

Ans:A

57.The ratio speed of cam shaft and skew gear of oil pump is:

A.2:1

B.3:1

C.1:1*

D.1:2

Ans:C

58.One Newton is equal to:

A.108 dyne

B.107 erg

C.105 erg

D.105 dyne*

Ans:D

59.The rolling tendency of the vehicle can reduced by:

A.Panhard rod

B.Stabilizer rod*

C.Radius rod

D.Bell crank

Ans:B

60.The centrifugal advance mechanism in the distributor is works in relation to:

A.Engine speed*

B.Engine load

C.Engine torque

D.Engine power

Ans:A

61.The energy conversion during brake application:

A.Mechanical energy to kinetic energy

B.Kinetic energy to heat energy*

C.Heat energy to mechanical energy

D.Kinetic energy to mechanical energy

Ans:B

62.Clutch facings are made of:

A.Asbestos*

B.Steel

C.Leather

D.Fabric

Ans:A

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

A.Spongy

B.Pulsation

C.Hard

D.Normal*

Ans:D

64.The ratio of side force sustained and slip angle is called:

A.Self righting torque

B.Caster trail

C.Cornering force

D.Cornering power*

Ans:D

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

A.Over steer

B.Under steer*

C.Neutral steer

D.None of these

Ans:B

66.The approximate to pressure in the power steer system is:

A.3Kpa

B.3Mpa

C.7Mpa*

D.30Kpa

Ans:C

67.The aspect ratio of the tyre is the ratio of:

A.Tyre section width/Tyre section height

B.Tyre section height/Tyre section width*

C.Strength of ply/No of ply

D.Rim size/Tyre size

Ans:B

68.The excessive positive camber on wheel causes the tyre to wear:

A.More at center

B.More at outer edge*

C.More at inner edge

D.More at sidewall

Ans:B

69.The cone clutches are used in:

A.Sliding mesh gear box

B.Constant mesh gear box

C.Epicyclic gear box

D.Synchro mesh gear box*

Ans:D

70.Which type of the tyre gives riding comfort at slow speed?

A.Cross ply*

B.Radial ply

C.Solid tyre

D.(B)and (C)

Ans:A

71.Which are the valves included in combination valves in hydraulic brake system?

A.Proportionating-Pressure differential-Brake valve

B.Proportionating-Metering Brake valve

C.Proportionating-Metering-Pressure differential valves*

D.Protection valve-Brake valve-Vacuum release valve

Ans:C

72.Minimum age for securing an Indian union driving license with authorization to drive transport vehicle:

A.21 years*

B.18 years

C.16 years

D.20 years

Ans:A

73.Which tool is used to give uniform tightness in a bolt or stud?

A.Ring spanner

B.Ratchet spanner

C.Torque wrench*

D.Allen wrench

Ans:C

74.What are the regulators are not necessary in charging system used with alternator?

A.Current regulator and voltage regulator

B.Speed regulator and voltage regulator

C.Voltage regulator and cut out

D.Current regulator and cut out*

Ans:D

75.The head lamp reflectors are made:

A.Spherical shape

B.Flat shape

C.Hyperbolic shape

D.Parabolic shape*

Ans:D

76.Who introduced first wind screen wiper in motor vehicle?

A.Willys knight

B.W.W.Burton

C.Diamler benz

D.Camille jentazy

Ans:----

77.Sludge is formed when the oil is mixed with:

A.Water*

B.Fuel

C.Ethyl

D.Exhaust gas

Ans:A

78.A.B.S.Stands for:

A.Auxillary Brake System

B.Anti lock Brake System*

C.Air Bag System

D.Air Brake System

Ans:B

79.Which gas is inflated in the air bag during collision?

A.Oxygen

B.Carbon di oxide

C.Hydrogen

D.Nitrogen*

Ans:D

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

A.Decreases

B.Increases*

C.Same

D.None of these

Ans:B

81.The land surrounded by sea on three sides is called:

A.Peninsula*

B.Coast

C.Island

D.Straits

Ans:A

82.Which planet is known as Red Planet?

A.Saturn

B.Mercury

C.Sun

D.Mars*

Ans:D

83.The twin of Narmada river:

A.Luni

B.Tapi*

C.Mahi
D.Sabarmati

Ans:B

84.Latitude and Altitude determines which climatic elements of a place:

A.Pressure and Wind system

B.Temperature

C.Rain fall pattern

D.All the above*

Ans:D

85.Which of the latitudes passes through the middle of our country?

A.Tropic of capricon

B.Tropic of cancer*

C.Equator

D.82⁰30N

Ans:B

86.Which prevents the southwest monsoon winds from escaping from India?

A.Seas

B.Low pressure over Central Asia

C.Himalayas*

D.The Great Indian Desert

Ans:C

87.National Bank for Agriculture and Rural Development was established in:

A.1982*

B.1983

C.1984

D.1985

Ans:A

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

A.Children

B.Women

C.Old people*

D.All the above

Ans:C

89.The only state in India that shows an excess of females over males is:

A.Kerala*

B.Punjab

C.West Bengal

D.Assam

Ans:A

90.Ranapratap Sagar dam is located in:

A.Orissa

B.Rajasthan*

C.Punjab

D.Maharashtra

Ans:B

91.The first organized agitation against orthodoxy in Kerala,for the rights of the depressed classes:

A.Guruvayur Sathyagraha

B.Mapila Outbreak

C.Vaikkom  Sathyagraha*

D.None of the above

Ans:C

92.Who published Vivekodayam?

A.Brahmananda Sivayogi

B.Narayana Guru

C.Sahodaran Ayyappan

D.Kumaranashan*

Ans:D

93.One important work of Chavarachan:

A.Atmanuthapam*

B.Udyannavirunnu

C.Atmavidhya

D.Sathyarthprakashika

Ans:A

94.Saivaprakasika Sabha started by:

A.Narayana Guru

B.Dr.Palpu

C.Thycaud Ayya*

D.Chattampi Swamikal

Ans:C

95.Which header was arrested during the time of Swati Tirunal Maharaja for his progressive ideas?

A.Narayana Guru

B.Vaikunda Swamikal*

C.Dr.Palpu

D.Vakkom Maulavi

Ans:B

96.For the outstanding services to his community he was nominated by the Travancore Government as a member of the Sree Moolam Praja Sabha:

A.Kumaranashan

B.Vakkom Maulavi

C.Sahodaran Ayyappan

D.Ayyankali*

Ans:D

97.Who among the following resigned from the membership of the Viceroys Executive Council as a protest against Jallian WallaBagh massacre?

A.MA Jinnah

B.Nehru

C.Ramaswami Naiker

D.C.Sankaran Nair*

Ans:D

98.During the company rule the widow Remarriage Act was drafted by:

A.Lord Dalhousie

B.Lord Canning*

C.Lord Clive

D.Lord Curzon

Ans:B

99.Number of east flowing rivers in Kerala:

A.4

B.3*

C.5

D.6

Ans:B

100.Oldest sports in the world:

A.Football

B.Cricket

C.Archery*

D.Tennis

Ans:C