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 'Deputy Manager (Production)' And exam conducted in the year 2023. And Question paper code was '161/2023/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.
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Correct Answer:- Option-A
Question12:-Loss due to sudden contraction is proportional to
A:Velocity head
B:-Density
C:-Viscosity
D:-Gravity
Correct Answer:- Option-A
Question13:-In laminar flow through a pipe, if the diameter of the pipe is reduced to
half, for a constant volumetric flow rate, pressure drop across the pipe
A:-Increases two times
B:-Decreases two times
C:-Decreases 16 times
D:-Increases 16 times
Correct Answer:- Option-D
Question14:-In Venturimeter pressure loss is
A:-more than orifice meter
B:-less than orifice meter
C:-same as orifice meter
D:-can't say
Correct Answer:- Option-B
Question15:-Cavitation in a centrifugal pump can be prevented by
A:-maintaining suction head equal to developed head
B:-maintaining suction head lower than the vapour pressure
C:-maintaining suction head sufficiently greater than the vapour pressure
D:-by proper sizing of suction line
Correct Answer:- Option-C
Question16:-Priming is required for
A:-Centrifugal pump
B:-Plunger pump
C:-Piston pumps
D:-All pumps
Correct Answer:- Option-A