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AC GENERATOR
Set 4
Set 4
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Q13509
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What method is used for parallel operation of alternator?
A
Dark and bright lamp method
B
Ward - leonald method
C
Over excitation method
D
Under excitation method
Q13510
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How the 3 lamps glow under parallel operation of alternators in bright lamp method?
A
All 3 lamps in dark
B
All 3 lamps in bright
C
Two lamps bright and one lamp dark
D
One lamp bright and two lamps dark
Q13511
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How many lamps are required for parallel operation of two 3 phase alternators?
A
3
B
6
C
8
D
10
Q13512
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What is the name of the instrument used to indicate the correct time for parallel operation of alternators?
A
Megger
B
Phase sequence meter
C
Synchroscope
D
Centre zero ammeter
Q13513
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Which instrument is the special form of power factor method?
A
Synchroscope
B
Frequency meter
C
Wattmeter
D
Phase sequence meter
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