A synchronous motor operating at rated voltage draws 1.0 pu current at ___
|
|
0
|
332
|
September 4, 2021
|
Desirable feature for successful parallel operation of two alternators is ___
|
|
0
|
422
|
September 4, 2021
|
In a single phase ac induction motor ___
|
|
0
|
165
|
September 4, 2021
|
In a 3-phase 50 Hz induction motor the voltage between the ___
|
|
0
|
130
|
September 4, 2021
|
Stability of a synchronous motor ___
|
|
0
|
133
|
September 4, 2021
|
A 3-phase synchronous motor is widely used for ___
|
|
0
|
278
|
September 4, 2021
|
In particular motor there is a stator phase winding and ___
|
|
0
|
173
|
September 4, 2021
|
An induction motor having 8 poles runs at ___
|
|
0
|
242
|
September 4, 2021
|
At constant load, the magnitude of armature current drawn by a ___
|
|
0
|
109
|
September 4, 2021
|
The rotor copper losses of a synchronous motor are met by ___
|
|
0
|
173
|
September 4, 2021
|
The secondary of a linear induction motor normally consists of a ___
|
|
0
|
556
|
September 4, 2021
|
The direction of rotation of a 3-phase induction motor is clockwise when it is ___
|
|
0
|
137
|
September 4, 2021
|
When the excitation of normally operating unloaded salient-pole synchronous ___
|
|
0
|
223
|
September 4, 2021
|
A cylindrical rotor synchronous motor is switched on to the ___
|
|
0
|
832
|
September 4, 2021
|
If any two leads front slip rings are interchanged in ___
|
|
0
|
436
|
September 4, 2021
|
A synchronous generator connected to an infinite bus is ___
|
|
0
|
444
|
September 4, 2021
|
A pony motor is basically a ___
|
|
0
|
267
|
September 4, 2021
|
In dynamic braking of 3-phase induction motors ___
|
|
0
|
239
|
September 4, 2021
|
Skewing of the rotor in a three-phase squirrel-cage induction motor reduces ___
|
|
0
|
162
|
September 4, 2021
|
Which of the following devices can be used as a phase advancer?
|
|
0
|
207
|
September 4, 2021
|
Speeds higher than synchronous speed can be ___
|
|
0
|
635
|
September 4, 2021
|
A smaller air gap in a polyphase induction motor helps to ___
|
|
0
|
196
|
September 4, 2021
|
Rotor resistance speed control used for 3-phase slip-ring induction motors has ___
|
|
0
|
239
|
September 3, 2021
|
In a 3-phase squirrel cage induction motor ___
|
|
0
|
184
|
September 3, 2021
|
A 3-phase synchronous motor needs dc supply for ___
|
|
0
|
514
|
September 3, 2021
|
A synchronous motor installed at the end of a transmission line is ___
|
|
0
|
207
|
September 3, 2021
|
In a variable speed induction motor drive V/f is kept constant over a wide range of its ___
|
|
0
|
163
|
September 3, 2021
|
Which of the following statements associated with polyphase induction motor is/are correct?
|
|
0
|
145
|
September 3, 2021
|
In a synchronous machine, if the armature field axis is ahead of the ___
|
|
0
|
168
|
September 3, 2021
|
In a synchronous motor the excitation voltage on no load is approximately equal to ___
|
|
0
|
217
|
September 3, 2021
|