AC GENERATOR - Quiz

1) What method is used for parallel operation of alternator?

Dark and bright lamp method Ward - leonald method Over excitation method Under excitation method

2) 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

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

3 6 8 10

4) 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

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

Synchroscope Frequency meter Wattmeter Phase sequence meter