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1. A three phase alternator has a phase sequence of RYB for its three output voltages. In case the field current is reversed, the phase sequence will become
2. Two-alternators are running in parallel. If the driving force of both the alternators is changed, this will result in change is
3. When two alternators are running in parallel, their RKVA load share is changed by changing their ................ while their kW load share is changed by changing their ..............
4. In order that two alternators be put in parallel, which of the following factors should be identical for both ?
6. In the above figure, the characteristic for unity power factor is represented by the curve maked
7. For 50 Hz system the maximum speed of an alternator can be
8. If the input of the prime mover of an alternator is kept constant but the excitation is changed, then
9. The driving power from the prime mover driving the alternator is lost but the alternator remains connected to the supply network and the field supply also remains on. The alternator will
10. For an alternator when the power factor of the load is unity
11. As the speed of an alternator increases
|When two alternators are running in parallel, their RKVA load share is changed by changing their ................ while their kW load share is changed by changing their ..............|
Answer: Option A
excitation, driving torque
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