MCQOPTIONS
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| 1. |
A 50 Hz, 4 Pole, 500 MVA, 22 kV turbo generator is delivering rated MVA at a power factor of 0.8. Suddenly a fault occurs reducing the electric power output by 40%. Neglect the losses and assume constant power input to the shaft. The accelerating torque in the generator at the time of fault is |
| A. | 1.528 MNm |
| B. | 1.018 MNm |
| C. | 0.848 MNm |
| D. | 0.509 MNm |
| Answer» C. 0.848 MNm | |