1. |
______________ motor is a constant speed motor.
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Answer:
Option (a) |
2. |
Which feature, while selecting a motor for centrifugal pump, will be of least significance?
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Answer:
Option (d) |
3. |
Stator voltage control for the speed control of induction motor is suitable for
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Answer:
Option (a) |
4. |
In motor, the static frequency changers are used for
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Answer:
Option (d) |
5. |
V/f is maintained constant in the following case of speed control of induction motor
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Answer:
Option (b) |
6. |
Which of the following pair is used for frequency converter?
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Answer:
Option (a) |
7. |
In the case of a 3 phase induction motor, plugging is done by
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Answer:
Option (c) |
8. |
In a 3-phase voltage source inverter used for speed control of induction motor, antiparallel diodes are used across each switching device. The main purpose of diodes is to
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Answer:
Option (c) |
9. |
In which of the following reason induction motor operation is stable?
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Answer:
Option (a) |
10. |
Rotor resistance speed control method is not applicable in
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Answer:
Option (b) |