Instrumentation Engineering MCQ Questions & Answers Pdf - 2

Question: 6

Volt box is basically a device used for

(A) Measuring power

(B) Measuring the voltage

(C) Extending the range of voltmeter

(D) Extending the voltage range of the potentiometer

Question: 7

Digital instruments are preferred to other indicating instruments because of the following qualities

(A) Cost

(B) Narrow bandwidth

(C) Better accuracy

(D) Better resolution

Question: 8

Horizontally mounted moving iron instruments employ

(A) Air friction damping

(B) Eddy current damping

(C) Electromagnetic damping

(D) Fluid friction damping

Question: 9

The following is not essential for the working of an indicating instrument

(A) Braking torque

(B) Controlling torque

(C) Deflecting torque

(D) Damping torque

Question: 10

The smallest change in a measured variable to which an instrument will respond is

(A) Sensitivity

(B) Precision

(C) Resolution

(D) Accuracy