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' And exam conducted in the year 2021. And Question paper code was '063/2021'. 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 gasket sealing is most difficult problem at
A) Valve cover B) Intake manifold
C) Head D) Exhaust manifold
The fluctuation of engine speed during a cycle depends upon
A) Mass of fly wheel B) Governor speed
C) Mass of crankshaft D) Speed of fly wheel
The major loss in a 0.1. engine is
Rubbing friction loss
Pumping loss
Direct heat loss
Loss due to incomplete combustion
The thermostat valve are designed to start opening at
A) 60°C to 65°C B) 65°C to 70°C
C) 70°C to 75°C D) 75°C to 80°C
Worm gear is the part of
A) Differential B) Steering gear box
C) Gear box D) Reduction unit
Too much belt tension produces
A) Whirling sound B) Clicking sound
C) Taping sound D) Knocking sound
Worn out cam lobs will lead to
A) Decreasing the engine life
B) Increasing the valve clearance
C) Increasing the valve opening height
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D) Decreasing volumetric efficiency