
1. In an alternator, voltage drops occurs in
2. The magnitude of various voltage drops that occur in an alternator, depends on
3. In an alternator, at lagging power factor, the generated voltage per phase, as compared to that at unity power factor
4. The power factor of an alternator depends on
5. Which kind of rotor is most suitable for turbo alternators which arc designed to run at high speed ?
6. Salient poles are generally used on
7. The frequency of voltage generated in an alternator depends on
8. The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is
9. An alternator is generating power at 210 V per phase while running at 1500 rpm. If the need of the alternator drops to 1000 rpm, the generated voltage per phase will be
10. A 10 pole AC generator rotates at 1200 rpm. The frequency of AC voltage in cycles per second will be
11. The number of electrical degrees passed through in one revolution of a six pole synchronous alternator is
12. Fleming’s left hand rule may be applied to an electric generator to find out
13. If the input to the prime mover of an alternator is kept constant but the excitation is changed, then the
14. An alternator is said to be over excited when it is operating at
15. When an alternator is running on no load the power supplied by the prime mover is mainly consumed
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