A synchronous motor will always stop when:______________? – McqOptions

MCQOPTIONS

1.	A synchronous motor will always stop when:______________?
A.	supply voltage fluctuates
B.	load in motor varies
C.	excitation winding gets disconnected
D.	supply voltage frequency changes
Answer» D. supply voltage frequency changes

Discussion

No Comment Found

Related MCQs

While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerating torque is produced by_____________?
While starting a synchronous motor by induction motor action, field winding is usually_____________?
Which of the following motors will be used in electric clocks?
Which of the following methods is used to start a synchronous motor?
Which of the following losses is not dissipated by the stator core surface in a synchronous motor?
When V is the applied voltage, then the breakdown torque of a synchronous motor varies as_________?
When the voltage applied to a synchronous motor is increased, which of the following will reduce?
When the stator windings are connected in such a fashion that the number of poles are made half, the speed of the rotor of a synchronous motor___________?
When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop_________________?
When the excitation of an unloaded salient pole synchronous motor suddenly gets disconnected______________?