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Electrician
Electrician Set-1
Alternators
13

Alternators MCQ - Electrician (Set-1) with Answers

13) In large sized alternators, dampers are used to :

reduce current fluctuations

reduce voltage fluctuations

increase stability

increase output e.m.f.

Answer is:

increase stability

Alternators MCQ - Electrician (Set-1) with Answers

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

14) The number of electrical degrees which passes through in one revolution of a 6-pole alternator is :

2160

1080

720

360

Answer is:

1080

15) The waveform of the e.m.f. generated by an alternator should be :

pulse shaped wave

square wave

sine wave

triangular wave

Answer is:

sine wave

16) The field circuit of a hydro alternator is supplied with :

an a. c.

a pulsating current

an oscillating current

a d. c.

Answer is:

a d. c.

17) When a coil / conductor moves at right angle to the magnetic flux, the induced e.m.f. will be :

lagging

leading

maximum

zero

Answer is:

maximum

Alternators MCQ - Electrician (Set-1) with Answers

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