MCQOPTIONS
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| 1. |
If a DC shunt motor is working at full load and if shunt field circuit suddenly opens _____________________ |
| A. | Will make armature to take heavy current, possibly burning it |
| B. | Will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses |
| C. | Nothing will happen to motor |
| D. | Motor will come to stop |
| Answer» B. Will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses | |