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 Mechanical Agricultural Machinery (SR for ST only)' And exam conducted in the year 2023. And Question paper code was '154/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
C:-Maintains a seal and prevents the fuel leakage
D:-Maintains a seal and prevents escape of burned gases from the combustion
chamber to sump
Correct Answer:- Option-D
Question57:-A cylinder block is normally made of
A:-Aluminium
B:-High carbon steel
C:-Cast iron
D:-Mild steel
Correct Answer:- Option-C
Question58:-In a four stroke diesel engine, the inlet valve
A:-Opens at T.D.C. and closes at B.D.C.
B:-Opens at 10° before T.D.C and closes at 35° after B.D.C.
C:-Opens at 10° after T.D.C. and closes at 30° before B.D.C
D:-None of the above
Correct Answer:- Option-B
Question59:-The oil pump used in the lubricating system of engine
A:-Gear pump
B:-Rotor pump
C:-Plunger type pump
D:-Any one of the above
Correct Answer:- Option-D
Question60:-The most common firing order in a straight six cylinder engine
A:-1-5-3-6-2-4
B:-1-3-6-5-2-4
C:-1-6-4-2-5-3
D:-None of the above
Correct Answer:- Option-A
Question61:-Clutch works on principle of
A:-Cohesion
B:-Adhesion
C:-Friction
D:-All the above
Correct Answer:- Option-C
Question62:-The specific fuel consumption of diesel engine is
A:-160 gm/bhp/hr