

MCQOPTIONS
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1. |
__If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens__ |
A. | This will make armature to take heavy current, possibly burning it |
B. | This 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. This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses | |