Kerala PSC Previous Years Question Paper & Answer
Page:19
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Materials Manager' And exam conducted in the year 2023. And Question paper code was '163/2023/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.
is 800 revolutions per KWh. The speed in rpm of the meter disc for a current of 20
Amperes and 0.8 p.f. lagging will be
A:-47.6
B:-57.6
C:-41.2
D:-51.2
Correct Answer:- Option-D
Question90:-Two holes are drilled at the opposite sides of the spindle in the disc of
energy meter to
A:-increase ventilation
B:-increase its braking torque
C:-increase its deflecting torque
D:-eliminate creeping at no load
Correct Answer:- Option-D
Question91:-What type of transudcer is an LVDT?
A:-Resistive
B:-Capacitive
C:-Inductive
D:-Optical
Correct Answer:- Option-C
Question92:-A LVDT has a stroke length of +100mm and produces a resolution of
25mV/mm when moved. Determine the output voltage when the core is moved 120
mm from its null position.
A:-3.0 V
B:-4.0 V
6-۷
0-۷
Correct Answer:- Option-A
Question93:-The instrument which is used to measure the specific gravity to battery
electrolyte?
A:-Hygrometer
B:-Hydrometer
C:-Barometer
D:-Anemometer
Correct Answer:- Option-B
Question94:-Which transducer is used for measurement of magnetic field?
A:-Inductive