Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANIC DIESEL INDUSTRIAL TRAINING ENGLISH ' And exam conducted in the year 2018. And Question paper code was '100/2018'. 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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The distance between the axis of crankpin and main journal is called :
(ಹ) Crank web (B) Crankthrow (ಲ) Crankcase (D) Crank thrust
The lack of tappet clearance will cause :
(ಯ) Valve lag (8) Valves are not open
(ಲ) Valves are not fully closed (D) Engine over heat
Excessive backlash of oil pump gears will cause :
(5) Reduce pressure (8) Increase pressure
(ಲ) जा leakage (D) No effect
What is the cause of excessive end play of crankshaft ?
(A) Worn out crankshaft (3) Worn out thrust bearing
(C) Worn out crankpin (D) Worn out shell bearing
Commonly used lapping abrasives are :
(ಹ) Silicon carbide (8) Aluminium oxide
(ಲ) Boron carbide (D) All of these
A three way catalytic convertor converts :
(ಹ) CO, HC and NO, (B) CO, HC and CO,
(ಲ) CO, HC and S0, (D) CO, HC and Particulate matter
In an engine evaporative emission controls :
(A) EGR (8 Canister
(C) Catalytic converter (D) SCR
In an engine cylinder bore and stroke are equal is called :
(ಹ) Radial engine (8) Opposed engine
(<) Square engine (D) Under square engine
Product of swept volume and no. of cylinder is called :
(ಹ) Cycle (B) Compression ratio
(ಲ) Horse Power (D) Engine capacity
7 100/2018
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