|
When a 3-phase synchronous generator is supplying a ___
|
|
0
|
111
|
November 4, 2021
|
|
Power factor of a synchronous motor is ___
|
|
0
|
154
|
November 4, 2021
|
|
Slip-rings in a synchronous motor carry ___
|
|
0
|
259
|
November 4, 2021
|
|
A synchronous motor has better power factor as compared to ___
|
|
0
|
125
|
November 4, 2021
|
|
When load on an over-excited or underexcited synchronous motor is ___
|
|
0
|
97
|
November 4, 2021
|
|
A synchronous motor can be made self starting by ___
|
|
0
|
128
|
November 4, 2021
|
|
If the field of a synchronous motor is under-excited, the ___
|
|
0
|
125
|
November 4, 2021
|
|
In a synchronous motor, V-curves represent ___
|
|
0
|
110
|
November 4, 2021
|
|
The effect of increasing the load on a synchronous motor running with ___
|
|
0
|
128
|
November 4, 2021
|
|
The speed of a synchronous motor ___
|
|
0
|
126
|
November 4, 2021
|
|
If excitation of a synchronous motor running with a constant load is ___
|
|
0
|
96
|
November 4, 2021
|
|
The mechanical displacement of the rotor with respect to ___
|
|
0
|
104
|
November 4, 2021
|
|
To limit the operating temperature an electrical machine should ___
|
|
0
|
102
|
November 3, 2021
|
|
A synchronous motor running with normal excitation adjusts to ___
|
|
0
|
111
|
November 3, 2021
|
|
Hunting in a synchronous motor place ___
|
|
0
|
139
|
November 3, 2021
|
|
In a synchronous motor which loss varies with load?
|
|
0
|
119
|
November 3, 2021
|
|
Synchronous motor always runs at ___
|
|
0
|
132
|
November 3, 2021
|
|
Under which of the following conditions hunting of synchronous motor is likely to occur?
|
|
0
|
105
|
November 3, 2021
|
|
Higher the applied ___ voltage will be the stator flux
|
|
0
|
134
|
November 3, 2021
|
|
The armature current of ___
|
|
0
|
125
|
November 3, 2021
|
|
The maximum constant load torque under which a synchronous motor will ___
|
|
0
|
134
|
November 3, 2021
|
|
An important advantage of a synchronous motor over ___
|
|
0
|
106
|
November 3, 2021
|
|
The efficiency of a properly designed synchronous motor will usually ___
|
|
0
|
113
|
November 3, 2021
|
|
The standard full-load power factor ratings for ___
|
|
0
|
158
|
November 3, 2021
|
|
A synchronous motor will always stop when ___
|
|
0
|
160
|
November 3, 2021
|
|
When V is the supply voltage and R is the rotor resistance per ___
|
|
0
|
146
|
November 3, 2021
|
|
As the load is applied to a synchronous motor, the ___
|
|
0
|
137
|
November 3, 2021
|
|
A three-phase synchronous motor will ___
|
|
0
|
113
|
November 3, 2021
|
|
The angle between the rotor poles and stator poles, in ___
|
|
0
|
124
|
November 3, 2021
|
|
If the synchronous motor, properly synchronised to the supply is ___
|
|
0
|
187
|
November 3, 2021
|