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17

AC Generator MCQ with Answers

17) How the 3 lamps glow under parallel operation of alternators in bright lamp method?

All 3 lamps in dark

All 3 lamps in bright

Two lamps bright and one lamp dark

One lamp bright and two lamps dark

Answer is:

Two lamps bright and one lamp dark

AC Generator MCQ with Answers

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Related AC Generator MCQ with Answers

18) How many lamps are required for parallel operation of two 3 phase alternators?

3

6

8

10

Answer is:

6

19) What is the name of the instrument used to indicate the correct time for parallel operation of alternators?

Megger

Phase sequence meter

Synchroscope

Centre zero ammeter

Answer is:

Synchroscope

20) Which instrument is the special form of power factor method?

Synchroscope

Frequency meter

Wattmeter

Phase sequence meter

Answer is:

Synchroscope

21) Which is used in Weston type electro dynamo meter synchroscope?

Iron vane

Fixed coil

Transformer

Permanent magnet

Answer is:

Transformer

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