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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'MOTOR MECHANIC/STORE ASSISTANT GROUND WATER' And exam conducted in the year 2015. And Question paper code was '232/2015'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Thermostat valve helps the engine 00:
(ಗಿ) Keep the oil temperature at operating values
(B) Keep the coolant temperature at operating values
)0 Prevents the engine from overheating
(D) Both (B) and (C}
In a four stroke engine the cam shaft turns at:
(4) Same speed as the crank shaft
(ए) Double the speed as the crank shaft
تا Half the speed of the crank shaft
(D) One fourth the speed of the வ :اظعاہد
Mechanic X says that all OHC engines have rocker arms. Mechanic Y says that some use
bucket tappets and no rocker arms. Who is correct?
(ಯ) Mechanic X (ए) Mechanic Y
)© BothXandY (D) Neither X nor Y
Valve overlap occurs at :
(A) the end of exhaust stroke (ए) the beginning of power stroke
(C) the beginning of compression stroke (D) the end of power stroke
The rate at which work is done, is measured in terms of :
(A) Energy (B) Torque
(£) Inmertia (D) Power
The volume of air contained above the piston when the piston is at TDC is :
(A) Clearance volume (೫) 00
(ര Swept volume (D) Stroke volume
The condition of exploding the end charge before the completion of normal combustion is :
(A) Pre-ignition ⋅ (B) Rumble
(0) Detonation (D) Stalling
Low Cetane fuel implies that :
(५) 1t takes longer time to ignite
(B) It takes lesser time to ignite
(൬ Ignites ഒട soon as it enters the cylinder
(D) Both (B) and (0)
7 232/2015
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