Measurements and Instrumentation Quiz Questions & Answers Pdf - 1
Question: 1
Horizontally mounted moving iron instruments use
(A) eddy current damping
(B) fluid friction damping
(C) electromagnetic damping
(D) air friction damping
Ans: D
air friction damping
Question: 2
In electrodynamometer type wattmeters, current coils designed for carrying heavy currents use standard wire or laminated conductors
(A) to reduce hysteresis losses
(B) to reduce eddy current loss in conductors
(C) to reduce iron losses
(D) all of the above
Ans: B
to reduce eddy current loss in conductors
Question: 3
Which of the quantity consists of unit as pascal?
(A) temperature
(B) impulse
(C) force
(D) pressure
Ans: D
pressure
Question: 4
Error due to hysteresis is predominant in
(A) moving iron instruments
(B) moving coil instruments
(C) electrodynamometer type instruments
(D) hot wire instruments
Ans: A
moving iron instruments
Question: 5
The value of resistance of an earthing electrode depends upon
(A) depth to which electrode is driven into earth
(B) specific resistance of soil
(C) shape and material of electrode
(D) all of the above
Ans: D
all of the above
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