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

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

Question: 3

Which of the quantity consists of unit as pascal?

(A) temperature

(B) impulse

(C) force

(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

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