| Post Name | ELECTRICIAN/PUMP OPERATOR |
|---|---|
| Department | REVENUE - TRIVANDRUM |
| Question Paper Code | 231/2015 |
| Date of Test | 16 December 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
What is the form factor of pure sine wave?
Answer
D. 1.11
2
Chisels are made of : ,
Answer
Question Cancelled
3
Amagnifying glass is used :
Answer
B. While taking precision measurements |
4
A delayed-action cartridge fuse is used for :
Answer
A. Motor circuits
5
The effect of smoke, acid and alkali is negligible on : |
Answer
C. Lead sheathed wire
6
The inner tube of a HPMV lamp is filled with :
Answer
A. Argon gas |
7
bs 7. Totnl electrical degrees for a 4 pole AC machine is equal to :
Answer
C. 720Β°
8
8 Which element is used as semiconductor material?
Answer
C. Silicon
9
Highest dopped region ina transistor is:
Answer
B. Base
10
Energy radiated continuously in the form of light-waves is called :
Answer
D. Luminous β flux
11
ll. What is the working temperature of a thoriated tungsten filament?
Answer
B. 1700Β°C
12
Impurities in an electrolyte can cause an internal short-circuit condition called :
Answer
D. Local action
13
Permanent magnets are normally made of :
Answer
D. Alnico alloys
14
Induction instruments have found widest application as :
Answer
A. Watt hour meter
15
The power factor of an ordinary electric bulb is :
Answer
B. sOUnity
16
Function of a relay is :
Answer
C. Both
17
The electrolyte of lead acid battery 1s:
Answer
A. HsSO,
18
Inan AC circuit, the ratio of KW/KVA represents :
Answer
C. Power factor
19
βThe ratio of average load to the maximum demand during a given period is known as :
Answer
C. Load factor
20
βThe capacitance of a transmission line is
Answer
B. Sh unt element
21
Ifthe diameter of conductor decreases, inductance of the line is :
Answer
A. Increased
22
If the power factor of the load decreases, the line losses :
Answer
C. Increased
23
Under operating conditions, the maximum atress in a cable is at:
Answer
D. Conductor surface
24
In practice, tap-changing is performed on load so that there ia ββββ_βββββ to aupply.
Answer
B. No interruption
25
βThe principle cause of voltage variation in system is depend on:
Answer
D. Load
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26
Forced β blast circuit breakers have β---ββββββ speed of circuit interruption. β
Answer
C. High
27
The time current characteristics of a fuse has:
|
Answer
B. Inverse
28
The melting point of fuse element should have : =
Answer
A. Low
29
Capacitive current breaking results in :
Answer
D. Voltage surges
30
The voltage build-up process of a de generator is : |
Answer
D. Cumulative
31
The voltage regulation of an over compound de generator is always :
Answer
A. Negative
32
The normal value of the armature resistance of a de motor is:
Answer
B. 05
34
The speed of de motor is inversely its ; |
Answer
A. Flux
35
Which test for using to find stray losses on de shunt motor?
Answer
D. Retardation
36
A transformer has negative voltage regulation when ite load power factor ia :
Answer
B. Leading
37
A T-T transformer cannot be paralleled with ______ transformer.
Answer
B. Y β Ξ
38
The rpm of turbo alternator has: | |
Answer
C. High
39
The efficiency of a 3-phase induction motor is approximately proportional to :
Answer
D. (1-βS)
40
To change the DOR of repulsion motor Is:
Answer
A. βTo shift brush position
41
In dual cycle the heat is added at :
Answer
B. Constant pressure and constant volume
42
The pipes connected with F,1.P and injector is made of :
Answer
C. Steel
43
Catalytic converter is fitted in between :
Answer
D. Exhaust manifold and silencer
44
In maintenance free battery the plate grids are made of :
Answer
A. Lead and calcium
45
Cylinder liners are made of :
Answer
B. Cast iron : |
46
Outward tilting of the front wheel at top in vertical line: ~
Answer
D. Positive camber
47
In torsion bar suspension the road shock absorbed the torsion bar by : .
Answer
C. Twisting :
48
The straightness of a cam shaft can be checked by :
Answer
C. Dial gauge
49
De-dion axles are used in:
Answer
A. Rear live axle with independent suspension
50
.The valves contain in the pressure cap of radiator is : | |
Answer
A. Vacuum and pressure valves
51
ai.
ad.
oo.
If the unsprung weight is kept maximum, causes:
Answer
A. Uncomfortable ride
52
The energy produced by the engine is loss through the exhaust gas is :
Answer
Question Cancelled
53
Thermostat is located in between :
Answer
B. R) Cylinder head and header tank
54
Knocking tendency in 8.1. engine can be reduced by :
Answer
D. Increasing engine speed
55
Most commonly used lubricants are made from :
Answer
C. Mineral oil
56
Unit of kinematic viscosity is :
Answer
A. Centi stock
57
The ratio speed of cam shaft and skew gear of oil pump is:
Answer
C. p) 1:2
58
One Newton is equal to:
Answer
D. 10Β° dyne
59
The rolling tendency of the vehicle can be reduced by :
Answer
B. Stabilizer rod
60
The centri fugal advance mechanism in the distributor is works in relation to:
Answer
A. Engine speed
61
The energy conversion during brake application :
Answer
B. Kinetic energy to heat energy
62
Clutch facings are made of : .
Answer
A. Asbestos
63
In diaphragm clutch the wear of the clutch lining causes the clutch pedal to :
Answer
C. Hara
64
The ratio of side force sustained and slip angle is called : ; |
Answer
D. Cornering power
65
While driving through a curved road the driver has to steer the vehiclΓ© more than it
theoretically required this condition is called :
Answer
B. Under steer
66
The approximate pressure in the power steer system is -
Answer
C. 7Mpa
67
The aspect ratio of the tyre is the ratio of:
Answer
B. Tyre section height/Tyre section width
68
ta 68. The excessive positive camber on wheel causes the tyre to wear :
Answer
B. More at outer edge
69
The cone clutches are used in:
Answer
D. Synchro mesh gear box
70
Which type of the tyre gives riding comfort at slow speed? |
Answer
A. Cross ply
71
Which are the valves included in combination valves in hydraulic brake system?
Answer
C. Proportionating β Metering β Pressure differential valves |
72
Minimum age for securing an Indian union driving license with authorization to drive
transport vehicle :
Answer
D. 20 yrs |
73
Which tool is used to give uniform tightness in a bolt or stud?
Answer
C. Torque wrench :
74
What are the regulators are not necessary in charging system used with alternator?
Answer
D. Current regulator and cut out |
75
The head lamp reflectors are made : | | |
Answer
D. Parabolic shape
76
Who introduced first wind screen wiper in motor vehicle? |
Answer
A. Willys knight
77
Sludge is formed when the oil is mixed with :
Answer
A. Water
78
A.B.S. stands for : :
Answer
B. Antilock Brake System
79
Which gas is inflated in the air bag during collision?
Answer
D. Nitrogen
80
Super charging in 8.1. engine the possibility of detonation is:
Answer
B. Increases
81
$1.. The land surrounded by gea on three sides is called :
Answer
A. Peninsula
82
Which planet is known as Red Planet?
Answer
D. Mars 3
83
The twin of Narmada river:
Answer
B. Tapi
84
Latitude and Altitude determines which climatic elements of a place :
Answer
D. All the above
85
Which of the latitudes passes through the middle of our country? |
Answer
B. Tropic of cancer
86
Which prevents the southwest monsoon winds from escaping from India?
Answer
C. Himalayas
87
National Bank for Agriculture and Rural Development was established in :
~
Answer
A. 1982
88
NOAPS β poverty alleviation scheme benefits which section of people :
Answer
C. Old people
89
The only state in India that shows an excess of females over males is :
Answer
A. Kerala
90
Ranapratap Sagar dam is located in :
Answer
B. Rajasthan
91
The first organised agitation against orthodoxy in Kerala, for the rights of the depressed
classes :
Answer
C. Vaikkom Sathyagraha
92
Who published Vivekodayam?
Answer
D. Kumaranashan
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93
One important work of Chavaraachan :
Answer
A. Atmanuthapam
94
Saivaprakasika sabha started by :
Answer
C. Thyeaud Ayya
95
Which leader was arrested during the time of Swati Tirunal Maharaja for his progressive
ideas?
Answer
B. Vaikunda Swamikal
96
For the outstanding services to his community he was nominated by the Travancore |
Government as a member of the Sree Moolam Praja Sabha :
Answer
D. . Avyankali
97
Who among the following resigned from the membership of the Viceroys Executive Council as
a protest against Jallian Walla Bagh massacre?
Answer
D. C.Sankaran Nair
98
During the company rule the Widow Remarriage Act was drafted by :
Answer
A. Lord Dalhousie
99
Number of east flowing rivers in Kerala :
| .
Answer
B. 3
|
100
Oldest aports in the world :
Answer
C. Archery
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