|
At no-load, the armature current in ___
|
|
0
|
470
|
November 5, 2021
|
|
A synchronous motor can develop synchronous ___
|
|
0
|
228
|
November 5, 2021
|
|
Exciters of synchronous machines are ___
|
|
0
|
179
|
November 5, 2021
|
|
The size of a synchronous motor decreases with ___
|
|
0
|
129
|
November 5, 2021
|
|
The magnitude of field flux in a 3-phase synchronous ___
|
|
0
|
165
|
November 5, 2021
|
|
In a synchronous motor, the maximum power developed depends on ___
|
|
0
|
153
|
November 5, 2021
|
|
A synchronous motor is running with ___
|
|
0
|
139
|
November 5, 2021
|
|
If in a synchronous motor, driving mechanical load and ___
|
|
0
|
191
|
November 5, 2021
|
|
The angle between the rotating stator flux and rotor poles is ___
|
|
0
|
136
|
November 5, 2021
|
|
When the voltage applied to a synchronous motor is increased, which of the following will reduce?
|
|
0
|
268
|
November 5, 2021
|
|
In which of the following motors the stator and rotor magnetic field rotate at the same speed?
|
|
0
|
141
|
November 5, 2021
|
|
The speed regulation of a synchronous motor is ___
|
|
0
|
178
|
November 5, 2021
|
|
If load (or torque) angle of a 4-pole synchronous motor is ___
|
|
0
|
191
|
November 5, 2021
|
|
A synchronous motor is running on a load with ___
|
|
0
|
151
|
November 5, 2021
|
|
A synchronous motor can operate at ___
|
|
0
|
155
|
November 5, 2021
|
|
The maximum torque which a synchronous motor will develop at ___
|
|
0
|
158
|
November 5, 2021
|
|
Which of the following losses, in a synchronous motor, does not vary with load?
|
|
0
|
157
|
November 5, 2021
|
|
A 3-phase synchronous motor is ___
|
|
0
|
157
|
November 5, 2021
|
|
Due to which of the following reasons a synchronous motor fails to ___
|
|
0
|
143
|
November 5, 2021
|
|
If in a synchronous motor, driving a given mechanical load and ___
|
|
0
|
138
|
November 5, 2021
|
|
Which of the following motors will be used in electric clocks?
|
|
0
|
194
|
November 5, 2021
|
|
In a synchronous motor running with fixed excitation, when the ___
|
|
0
|
201
|
November 5, 2021
|
|
An over-excited synchronous motor is ___
|
|
0
|
144
|
November 5, 2021
|
|
When the stator windings are connected in such a fashion that ___
|
|
0
|
157
|
November 5, 2021
|
|
When the field of a synchronous motor is under-excited, the ___
|
|
0
|
171
|
November 5, 2021
|
|
A synchronous motor can be used as a synchronous capacitor when ___
|
|
0
|
249
|
November 4, 2021
|
|
In a synchronous motor, the breakdown torque is ___
|
|
0
|
174
|
November 4, 2021
|
|
For power factor correction, synchronous motors operate at ___
|
|
0
|
163
|
November 4, 2021
|
|
In a synchronous motor, the armature current has ___
|
|
0
|
145
|
November 4, 2021
|
|
Which of the following motors is nonself starting?
|
|
0
|
167
|
November 4, 2021
|