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.
D:-20°
Correct Answer:- Option-C
Question17:-Which type of washers have made with serrations, cut and twisted?
A:-Flat washer
B:-Taper washer
C:-Plate washer
D:-Toothed lock washer
Correct Answer:- Option-D
Question18:-Which law states that the pressure of a liquid is transmitted equally in
all directions?
A:-Boyle's law
B:-Pascal's law
C:-Charle's law
D:-Ohm's law
Correct Answer:- Option-B
Question19:-Which action of liquid penetrant testing, the liquid penetrant dye seeps
into the defects of material?
A:-Over flow
B:-Capillary
C:-Forming
D:-Leveling
Correct Answer:- Option-B
Question20:-How many ports have a 4/2 directional control hydraulic valve?
A:-Four
B:-Five
C:-Two
D:-Six
Correct Answer:- Option-A
Question21:-What is meant by FRL unit in pneumatic system?
A:-Filter rectified lubricator
B:-Filter regeneration lubricator
C:-Filter regulator lubricator
D:-Flow regulator lubricator
Correct Answer:- Option-C
Question22:-Which tool is mainly used to make external threading of a cylindrical
component?
A:Tap