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

Rough commutation

Cross magnetizing effect

Demagnetizing effect

Armature resistance drop effect

Answer is:

Demagnetizing effect

DC Generators MCQ - Electrician (Set-1) with Answers

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58) Which among the following is the function of the inter poles in a DC generator ?

Neutralisation of statically induced voltage

To make sparkless commutator

To change rough to smooth commutation

All of the above

Answer is:

All of the above

Explanation:

Following are the function of the inter poles in a DC generator
* Neutralization of statically induced voltage
* To make spark-less commutator
* To change rough to smooth commutation

59) Which type of D.C. generator is used for welding generator set ?

D.C. shunt generator

D.C. series generator

D.C. Differential compound generator

D.C. cumulative compound generator

Answer is:

D.C. Differential compound generator

60) Which type of DC generator is used for welding generator set ?

DC series generator

DC shunt generator

DC differential compound generator

DC Cummutative compound generator

Answer is:

DC differential compound generator

61) How many parallel paths in simplex wave winding armature of the D.C. generator, which is having 8 poles ?

Answer is:

2 DC Generators MCQ - Electrician (Set-1) with Answers

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