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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Final drive is provided on tractors
A) To reduce torque
C) To increase torque
> 1
) 3010 40 per cent
) 35 to 40 per cent
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) 10 kmph
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) 10 miles per hour
4
he low speed engine runs at speed of
063/21
B) To reduce traction
D) To increase speed
he thermal efficiency of diesel engine varies between
B) 32 to 40 per cent
D) 32 to 38 per cent
he velocity required to operate windmill is more than
B) 5kmph
D) 5 miles per hour
A) More than 350 0 8) Less than 350 rpm
C) More than 1000 mm 0) 350 rm
The firing interval of 2-stroke, two-cylinder engine is
A) 360° B) 180° C) 720° D) 120°
The compression rings mounted on piston are generally made of
A) High carbon steel B) Low carbon steel
C) Chromium D) High speed steel
The firing order of 4-stroke, 6-cylinder engine is
A) 1-3-5-6-4-2 B) 1-5-3-6-2-4
C) 1-3-4-2-6-5 D) 1-3-2-5-4-6
A) Piston volume
C) Combustion volume
The cross sectional area of one cylinder of an engine multiplied by its stroke is
B) Clearance volume
D) Swept volume