Kerala PSC Previous Years Question Paper & Answer
Page:4
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.
Question17:-Hydraulic radius for a circular pipe of diameter D is given by
A:-D/4
B:-D/8
C:-4D
D:-8D
Correct Answer:- Option-A
Question18:-Drag is the force exerted by the
A:-Solid on the fluid in the opposite direction of flow
B:-Fluid on the solid in the opposite direction of flow
C:-Fluid on the solid in the direction of flow
D:-Solid on the fluid in the direction of flow
Correct Answer:- Option-C
Question19:-Viscosity increases with stress over time for
A:-Thixotropic fluid
B:-Rheopectic fluid
C:-Bingham plastic
D:-Newtonian fluid
Correct Answer:- Option-B
Question20:-Pressure drop across the fluidized bed with increase in expansion of
the bed
A:-Increases
B:-Decreases
C:-First increases and then decreases
D:-Remains constant
Correct Answer:- Option-D
Question21:-In a Tylor standard screen series, the ratio of the area of the openings
in any screen to that of the next smaller screen is
A:-1.41
B:-1.65
C:-1.73
D:-2
Correct Answer:- Option-D
Question22:-Crushing of sticky clay is done by
A:-Ball mill
B:-Jaw crusher
C:-Hammer mills