Kerala PSC Previous Years Question Paper & Answer
Page:13
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.
Correct Answer:- Option-A
Question67:-Cavitation in a control valve is caused by
A:-a laminar flow regime
B:-vibration in the packing
C:-the Von Karman effect
D:-pressure recovery
Correct Answer:- Option-D
Question68:-In a feed-back control system G and H denote open loop and close
loop transfer functions respectively. The output-input relationship is
A:-H/ (1 + G)
B:-G/ (1+ H)
C:-G/H
D:-H/G
Correct Answer:- Option-A
Question69:-Aerobic process of water treatment
A:-produces more sludge than anaerobic process
B:-produces less sludge than anaerobic process
C:-produces same amount of sludge as anaerobic process
D:-produces no sludge
Correct Answer:- Option-A
Question70:-The power development by a hydro plant is directly proportional to
A:-head of dam
B:-discharge of water
C:-product of discharge and head of water
D:-none of the above
Correct Answer:- Option-C
Question71:-Which type of fire extinguisher must not be used in case of electrical
base fire?
A:-Halon extinguisher
B:-Carbon chloride extinguisher
C:-Foam extinguisher
D:-Dry power extinguisher
Correct Answer:- Option-C
Question72:-Match the following:
List | List Il
R.D.X. 1. Cyclotetramethylene tetranitraamine
P.E.T.N. ii. 2, 4, 6 Trinitrotoluene
H.M.X. iii. |Pentaerythritol teranitrate