electrician

MCQ ON MEASURING INSTRUMENT PAGE - 1

1.

In a moving coil instrument, the damping torque is developed by

Answer/ Hint      

Answer : B

Explanation :

2.

The force acting in a M.C instrument is equal to :

Answer/ Hint      

Answer : C

Explanation :

3.

M.C type instruments are used on

Answer/ Hint      

Answer : B

Explanation :

4.

M.I type instruments are used on

Answer/ Hint      

Answer : C

Explanation :

5.

The force which produces movement of the pointer of an instrument is called :

Answer/ Hint      

Answer : A

Explanation :

6.

What is the purpose of providing a mirror behind the pointer in a measuring instrument ?

Answer/ Hint      

Answer : D

Explanation :

7.

When using any instrument for measurement or testing purpose, first attention should be given to the

Answer/ Hint      

Answer : B

Explanation :

8.

which one of the following statements is true about the internal resistance of an ammeter and a voltmeter?

Answer/ Hint      

Answer : A

Explanation :

9.

The reliability of measuring instruments means:

Answer/ Hint      

Answer : C

Explanation :

10.

The sensitivity of a measuring instrument means.

Answer/ Hint      

Answer : D

Explanation :

11.

In order to increase the range of a voltmeter

Answer/ Hint      

Answer : C

Explanation :

12.

To reduce the effect of a voltmeter on the circuit under test, we should

Answer/ Hint      

Answer : B

Explanation :

13.

If the connections of an M.I instrument used in a circuit are interchanged then:

Answer/ Hint      

Answer : B

Explanation :

14.

A.M.I type instrument has:

Answer/ Hint      

Answer : B

Explanation :

15.

A.M.C type instrument has:

Answer/ Hint      

Answer : A

Explanation :

16.

If two ammeters X and Y require 40 mA and 50mA current respectively to give a full-scale deflection, then

Answer/ Hint      

Answer : A

Explanation :

17.

The value of a shunt resistance in an ammeter is usually:

Answer/ Hint      

Answer : C

Explanation :

18.

If the approximate value of the current to be measured  is not known, measurement should be started on

Answer/ Hint      

Answer : C

Explanation :

19.

The sensitivity of a voltmeter is expressed as

Answer/ Hint      

Answer : D

Explanation :

20.

The disadvantage associated with an electrodynamics instrument is this that:

Answer/ Hint      

Answer : Select Correct Ans

Explanation :

MCQ ON MEASURING INSTRUMENT PAGE - 1
Next >>