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MCQ ON MEASURING INSTRUMENT PAGE - 2

1.

An electrodynamic meter can be used to measure

Answer/ Hint      

Answer : C

Explanation :

2.

Megger is an instrument meant for measuring

Answer/ Hint      

Answer : B

Explanation :

3.

A multimeter consists of

Answer/ Hint      

Answer : C

Explanation :

4.

A VTVM is more reliable than a multimeter for measuring voltage across a low impedance because :

Answer/ Hint      

Answer : D

Explanation :

5.

Induction type single-phase energy meter is

Answer/ Hint      

Answer : B

Explanation :

6.

A wattmeter can measure

Answer/ Hint      

Answer : C

Explanation :

7.

A multimeter cannot be measuring

Answer/ Hint      

Answer : C

Explanation :

8.

 Which of the following electric quantities can be measured by a moving coil instrument?

Answer/ Hint      

Answer : A

Explanation :

9.

When the electric supply is ON then which of the following instruments should not be used?

Answer/ Hint      

Answer : D

Explanation :

10.

Which of the electrical instruments have to be connected in the same manner for measurement?

Answer/ Hint      

Answer : B

Explanation :

11.

Voltmeters of high internal resistance should be used for voltage measurements in circuits of high resistance. The reason for this is to

Answer/ Hint      

Answer : C

Explanation :

12.

Tong tester is used to measure the current in a.c. circuits without interrupting the circuit. For measurement, the split core is clamped on to the insulated current-carrying conductor.  Loopin

Answer/ Hint      

Answer : A

Explanation :

13.

Power drawn by a welding shop which has 3-phase, 415 V 50 Hz supply has to be measured

The following loads are connected:

  1. 2 welding sets each of 5kVa across L1, L&

Answer/ Hint      

Answer : D

Explanation :

14.

One screw is provided in M.C instrument which is attached to the pointer. What for it is provided?

Answer/ Hint      

Answer : B

Explanation :

15.

A voltmeter with a sensitivity of 1 kilo ohm per volt will have a resistance of …

Answer/ Hint      

Answer : C

Explanation :

16.

Electrical instruments may be classified based on …categories

Answer/ Hint      

Answer : B

Explanation :

17.

Which instrument is used for measuring voltage?

Answer/ Hint      

Answer : B

Explanation :

18.

Which instrument is used  for measuring the insulation resistance ?

Answer/ Hint      

Answer : D

Explanation :

19.

The fore required for moving the pointer in an indicating instruments is …

Answer/ Hint      

Answer : A

Explanation :

20.

The operation of a Megger is based on

Answer/ Hint      

Answer : D

Explanation :

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