Instrumentation Engineering MCQ Questions & Answers Pdf - 1

Question: 1

Wein's bridge is used for measurement of frequency in the applied voltage waveform is

(A) Square

(B) Sinusoidal

(C) Triangular

(D) Rectangular

Question: 2

A vector impedance meter measures

(A) The magnitude of the impedance

(B) The phase angle of the impedance

(C) Both the magnetic and the phase angle of the impedance

(D) The power dissipation in the impedance

Question: 3

The Q-meter works on the principle of

(A) Parallel resonance

(B) Series resonance

(C) Self inductance

(D) Mutual inductance

Question: 4

Which of the following meters does not establish square law response?

(A) Hot wire instrument

(B) Electrodynamometer

(C) Moving coil

(D) Moving iron

Question: 5

The difference between the measured value and the true value is called

(A) Absolute error

(B) Gross error

(C) Probable error

(D) Relative error