1000+ Measurement and Instrumentation MCQ Questions & Answers - 1

Question: 1

In a single phase factor meter the phase difference between the currents in the two pressure coils is

(A) approximately 90°

(B) exactly 90°

(C) approximately 0°

(D) exactly 0°

Question: 2

Standard resistor is made from

(A) nichrome

(B) silver

(C) manganin

(D) platinum

Question: 3

E.m.f. of a Weston cell is accurately measured by

(A) electrodynamic voltmeter

(B) isothermal voltmeter

(C) hot wire voltmeter

(D) electrostatic voltmeter

Question: 4

To measure radio frequency, the suitable frequency mater is

(A) electrical resonance frequency meter

(B) heterodyne frequency meter

(C) reed vibrator frequency meter

(D) weston frequency meter

Question: 5

In _____ instruments the deflecting torque depends on the frequency.

(A) moving iron

(B) moving coil

(C) hot wire

(D) induction type