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Objective Questions
ITI
Electrician
Electrician Set-1
Alternators
35

Alternators MCQ - Electrician (Set-1) with Answers

35) The field circuit of an alternator is supplied with

an oscillating current

a direct current

an alternating current

a pulsating current

Answer is:

a direct current

Alternators MCQ - Electrician (Set-1) with Answers

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Related Alternators MCQ - Electrician (Set-1) with Answers

36) The D.C. and A.C. generators are similar in one important function. That is the

generated emf is a direct current

generated emf is an alternating current

generated emf is a pulsating current

generated emf is an oscillating current

Answer is:

generated emf is an alternating current

37) Adjusting the speed of the prime mover of an alternator is primary necessary. Which one of the following is the reason for this ?

To get constant frequency

To get constant voltage

To get increase polarity

None of the above

Answer is:

To get constant frequency

38) Which one of the following is the reason for using dampers in large alternator work ?

To increase stability

To increase output

To decrease output

To reduce voltage fluctuation

Answer is:

To increase stability

39) The speed of a 6 pole 50 Hz of an alternator is :

1800 rpm

1200 rpm

1000 rpm

600 rpm

Answer is:

1000 rpm

Alternators MCQ - Electrician (Set-1) with Answers

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