| Post Name | OPERATOR |
|---|---|
| Department | KERALA WATER AUTHORITY |
| Question Paper Code | 119/2015 |
| Date of Test | 24 June 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The location of Thermostat valve in cooling system is :
Answer
B. at engine outlet to radiator
2
The viscosity of multigrade oil is determined at :
Answer
A. OF | |
3
The rotor type oil pump has:
Answer
A. -aninner rotor with a lobe less than the outer rotor
4
Theoretically the inlet valve closes at BDC during suction stroke. Practically the inlet valve
remains open a few more degrees of crank shaft rotation after BDC. The purpose of this is to:
Answer
D. Increase volumetric efficiency
5
Catalytic converter is associated with :
Answer
C. emission control system
6
Which of the following is not a part of primary circuit of ignition system?
Answer
D. Spark plug
7
Insufficient clutch free pedal play causes :
Answer
C. Clutch slipping
8
Double helical gears are known as: ,
Answer
A. Herring bone gear
9
Which of the following device can bring two gears rotating at different speeds to the same
speed for smooth gear shifting? _
|
Answer
B. Synchronizer
10
The type of lubrication system suitable for racing cars is: |
| ;
Answer
C. dry sump lubrication system
11
If the lock to lock steering wheel rotation is four turns and the front wheel movement is
oe 60 degrees, what is the steering ratio? | z
|
Answer
C. 24:1
12
The effect of carbon deposits on the cylinder head inside the combustion chamber is :
Answer
D. increased compression ratio and pre-ignition ,
13
Which among the following maintains a constant level of petrol in float chamber?
Answer
B. Float and needle valve
|
14
The time duration, given in degrees of distributor rotation that the CB points remain closed
Answer
A. between successive opening is : :
|
15
The engine power transfer mechanism that combines a transmission assembly and
differential assembly in a single unitis known as: _ ac |
Answer
D. trans axle mechanism
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16
Which among the following is not a part of suspension system?
|
Answer
B. tierod — .
17
The stub axle is connected to the front main axle beam by means of : :
Answer
C. King pin “
18
The distance between the centre of front wheel at straight ahead position and the centre of |
rear wheel is known as :
|
Answer
C. Wheel base
19
“External pressure applied upon a confined fluid is transmitted uniformly in all directions’.
This law is: .
Answer
A. . Pascal’s law .
20
Which of the following is not a possible cause of engine overheating? | |
Answer
D. Over inflated tyre : 3 |
21
The narrow space in the cylindrical air horn of the Carburettor through which the air passes is : |
ik a
Answer
B. Ventuary
22
Major constituent of CNG
Answer
D. Methane |
23
The component of air brake system which protect reservoir from over loading is :
Answer
B. Unloader valve |
24
The larger gear wheel used in the final drive is called :
3
Answer
A. Crown wheel
25
The formation of air pockets inside the torque converter due to low pressure is known as :
Answer
B. Cavitation :
26
3 26. Which among the following factor which does not affect engine compression ratio?
Answer
B. Carburettor flooding
27
The process commonly used for the manufacturing of cylinder liners is : -
Answer
B. centrifugal casting
28
The material used for piston ring is :
Answer
A. Cast Iron with Silicon
29
3 29. The component which transmit reciprocating motion of valve lifter torocker arm: _
Answer
C. push rod |
30
Valve lapping is the process of grinding :
Answer
D. valve seat and face
31
The warpage of machined faces of cylinder block and cylinder head can be checked with :
Answer
C. Straight edge
32
The test for finding the chemical conditions of the positive and negative battery plates is :
Answer
D. Cadmium test — ? 3
33
The leaf springs are connected to axle beam by means of : a
Answer
A. U-bolt
34
The angle between king pin centre line and vertical in the plane of wheel is called : |
Answer
C. Castor
35
Wear on tyre is more on one side is due to:
Answer
A. Incorrect camber angle
36
Useful power obtained at the engine fly wheel is called : |
Answer
D. Brake power
37
The nozzle valve in the injector unit is lifted off from it’s seat by :
Answer
B. High pressure diesel i
5S
38
FIP is driven by: 3
Answer
Question Cancelled
39
Which among the following tool is suitable for inserting piston with rings into the engine
cylinder? oun |
:
Answer
C. Piston ring compressor
40
The boiling point of the coolent in cooling system is raised by :
Answer
A. Pressure cap
41
Wheat stone bridge works on the principle of :
Answer
B. Kirchoffs Laws :
42
In DC machines for more voltage usually winding is done in :
Answer
C. Wave winding
43
The curve representing ohm’s law is: es
Answer
C. Linear :
44
The capacity of.a Lead acid cell is usually expressed in :
Answer
A. Ampere hour
45
The output voltage of ignition coil in an automobile is given to :
Answer
D. Spark plug
46
When power factor is unity, the phase angle between voltage and current?
Answer
D. 0°
47
Ina water turbine alternator the speed will be :
Answer
A. Low |
48
The speed of a DC series motor is dangerously high at no load because :
Answer
C. Flux is very low
49
Which caliper is used for scribing line along curved edges?
Answer
D. Jenny caliper
50
This is not the reason for no light from the bulb in an automobile lighting system :
Answer
A. . Overcharged battery cfuiy
51
Ifa contactor is in the open position, the armature is at its greatest distance from the core |
and the impedance of the coil is : 3 |
Answer
C. High a
52
Fora given VA rating cross-section area of core will be less if the following metal is used :
Answer
B. High alloy sheet
53
Which of the following is not used for etching? | |
Answer
D. Carbon Tetra Chloride
54
An AC or DC electric motor can be used to automatically : : :
Answer
A. Charge the spring
55
Air pollution is the least in this type of energy converter :
Answer
C. . Solar cell energy converter |
56
Ifa new vehicle is found that the negative terminal of the battery is earthed. This indicates
the use of the following : -
Answer
B. AC Generator :
—
57
Sweep of ceiling fan refers to:
Answer
D. . Double the distance from centre of motor to tip of blade ;
58
In electrical accessories the use of silver is at:
Answer
A. Contact points
59
The instrument which can be classified as an absolute instrument is : )
Answer
D. Tangent galvanometer
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60
The rating of power factor improvement capacitor is in: Dees
Answer
C. KVAR
61
A transistor is a ————————— operated device. ‘ :
Answer
A. Current
62
DC supply is essential for the operation of : | ;
'
Answer
B. Arc lamp
63
Chatter in an AC relay magnet can be eliminated by using : |
Answer
B. Shading coil
64
In this wiring, two lamps should be switched ‘ON’ at a time: |
Answer
Question Cancelled
65
For alignment of the job in a lathe machine, we may require small movements (small angular
| _ movements) of the chuck. This could be achieved by using a controller with :
;
Answer
D. Jogging push-button |
66
Degaussing is the process of :
|
Answer
C. Demagnetizing a metallic part | |
67
HRC fuse is superior protective device as compared to circuit breaker and relay as far as:
Answer
B. Thermal stresses are concerned
68
Which of the following material has a negative temperature co-efficient of resistance?
Answer
A. Carbon
69
By inserting reactance in the rotor circuit: .
Answer
A. Reduces starting torque as well as maximum torque
70
In three phase power measurement by two wattmeter method, reading of one wattmeter
. found negative. Then the P.F of the load is :
Answer
A. 0.4 lagging -
71
Epoxy cable joint is used where , |
Answer
A. H.T cable joints
72
At the suction stroke in a reciprocating pump, the ————————— valve closes and
—_—_—____—- valve opens.
Answer
C. Delivery, Suction
73
, 73. Voltage stabilizers having auto transformer in servo stabilizer is of
Answer
D. D) Toroidal type
74
The ripple factor of a capacitor filter may be decreased by |
Answer
C. Increasing C
75
On doubling the supply frequency, the eddy current will :
Answer
B. Become four times of their former value | | :
76
Ifthree persons take reading in horizontally placed meter at the same instant, whose reading |
is correct?
Answer
B. The reading taken by the middle person . |
77
Ifthe end of the shaft of a grinder motor turn blue it is an indication of : 3
Answer
A. Over heating 3
78
‘78. In black cotton soil, where water level is encountered within the pole pit, it is better to use :
Answer
D. Mass concrete and embankment
79
For testing insulation resistance the most suited electrical supply is :
Answer
B. Direct current ;
80
When an electric train moves down a hill, the DC series motor then act as :
Answer
D. .DC series generator .
81
On which river bank is Goa located? | | ae
Answer
B. Mandovi | |
82
In which state is “Hawa Mahal (Palace of breeze)” located? | |
Answer
A. Rajasthan ©
83
The inception of the rebellion of 1857 was in:
Answer
A. Meerut
84
Gandhiji started Satyagraha in 1919 to protest against the:
Answer
D. Rowlatt Act
85
The concept of five years plan in India was introduced by :
Answer
A. Jawaharlal Nehru
86
The type of soil which is known locally as “Regur’” soil and suitable for cotton cultivation :
Answer
B. Black soil
87
Where was the first session of Indian National Congress held at:
Answer
C. Mumbai
88
Where is the lotus temple located?
Answer
D. Delhi
89
The climate of Indiais:
Answer
A. Monsoonal
90
Which is the largest state in India? ;
Answer
B. Rajasthan
91
Who is known as “Kerala Valmiki’?
Answer
A. Vallathol Narayana Menon
92
Where is Edakkal caves located? ? )
Answer
B. Wayanad
93
Who is the founder of Sadhujana Paripalana Yogam? |
Answer
C. Ayyankali
94
The number of west flowing rivers in Kerala : ; |
Answer
D. 41
95
Smallest Taluk in Kerala: : :
Answer
Question Cancelled
96
Which is the largest fresh water lake in Kerala ? 7
Answer
Question Cancelled
97
What is the total cost length of Kerala? : =
Answer
Question Cancelled
98
_ 98. Which among the following districts of Kerala receives highest rainfall? |
Answer
D. . Idukki | |
99
Which type of forest has maximum area coverage in Kerala? ;
Answer
A. . Tropical moist deciduous
100
How many legislative assemblies are there in Kerala? |
Answer
Question Cancelled
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