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MCQ ON DC GENERATOR PAGE - 3

1.

The simplest way to shift load from one DC shunt generator running in parallel with another is to

Answer/ Hint      

Answer : A

Explanation :

2.

In case of parallel operation of DC compound wound generators for proper division of lod, from no load to full load, it is essential that they should have the same

Answer/ Hint      

Answer : B

Explanation :

3.

in parallel operation of two DC compound generators provided with interpoles, the equalizing bar must be connected to

Answer/ Hint      

Answer : C

Explanation :

4.

The main functionof an equalizer bar is to make the parallel operation of two over comounded DC generator is

Answer/ Hint      

Answer : A

Explanation :

5.

The main factor that leads to unstable parallel operation  of flat or over compounded DC generator is ….

Answer/ Hint      

Answer : A

Explanation :

6.

In the Fleming’s left hand rule the thumb represents …

Answer/ Hint      

Answer : A

Explanation :

7.

By which law, the direction of the induced emf will be identified

Answer/ Hint      

Answer : D

Explanation :

8.

Fleming’s Right Hand rule is to identify the…..

Answer/ Hint      

Answer : D

Explanation :

9.

A DC generator works on the principle of ……

Answer/ Hint      

Answer : D

Explanation :

10.

A 6 pole DC generator has wave wound armature. If the armature is rewound for lap the induced EMF will be……

Answer/ Hint      

Answer : D

Explanation :

11.

The insulating materials used between eh commutator segments of a DC generator will be…

Answer/ Hint      

Answer : D

Explanation :

12.

Interpoles are provided in DC generator for ….

Answer/ Hint      

Answer : D

Explanation :

13.

In a DC generator sparking at the brush position may be

Answer/ Hint      

Answer : C

Explanation :

14.

In a DC generator, if the filed circuit resistance is more than the field critical resistance then the

Answer/ Hint      

Answer : C

Explanation :

15.

The purpose of lamination between core is used in armature is to……

Answer/ Hint      

Answer : B

Explanation :

16.

The load characteristic of separated excited generator is between…

Answer/ Hint      

Answer : C

Explanation :

17.

The purpose of the flexible copper pig tail mounted on the brush of the DC generator is …..

Answer/ Hint      

Answer : C

Explanation :

18.

By providing compensating winding in series with armature of a D.C generator which defect can be prevented

Answer/ Hint      

Answer : C

Explanation :

19.

As per B.I.S, the series field winding terminals must be marked as ……

Answer/ Hint      

Answer : C

Explanation :

20.

Which among the following is the function of the interpoles in a DC generator

Answer/ Hint      

Answer : D

Explanation :

21.

Which type of DC generator is used for welding generator set

Answer/ Hint      

Answer : C

Explanation :

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