Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electronics and Instrumentation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '121/2023/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.
B:-F=mg+pghA
C:-F=mg-pghA
D:-F=mg-ghA
Correct Answer:- Option-C
Question49:-Differential pressure-based method of specific gravity measurement
works based on
A:-Geiger muller counting
B:-Hydrostatic principle
C:-Variable area method
D:-Poiseuille's equation
Correct Answer:- Option-B
Question50:-Select one of the advantages of turbine flow meter
A:-Good dynamic behavior
B:-Less error at low flow rates
C:-Performances independent of liquid characteristics
D:-Errors are less due to frictional torque
Correct Answer:- Option-A
Question51:-Which one is not the desirable property of manometric fluid
A:-Low viscosity
B:-Low vapour pressure
C:-High-co-efficient of thermal expansion
D:-Low capillary effect
Correct Answer:- Option-C
Question52:-Pirani gauges are useful to measure pressures ranging from
A:-10 X 10 to 1 torr
B:-1 to 100 torr
C:-10 مو" : to 1000 torr
D:-10 x0-2 to 100 torr
Correct Answer:- Option-A
Question53:-In vortex shedding flow meter, the constant of proportionality in
computing shedding frequency is known as
A:-Reynolds number
B:-Mach number
C:-Strouhal number
D:-Doppler number
Correct Answer:- Option-C