|
In a D.C. generator in case the brushes are moved so as to ___
|
|
0
|
180
|
September 20, 2021
|
|
In D.C. generator, on ___
|
|
0
|
139
|
September 20, 2021
|
|
For a D.C. generator when the number of poles and the number of ___
|
|
0
|
128
|
September 20, 2021
|
|
The commutator segments are connected to the armature conductors by ___
|
|
0
|
170
|
September 20, 2021
|
|
When the shunt field of a compound generator is ___
|
|
0
|
161
|
September 20, 2021
|
|
A properly designed D.C. generator can have an overall efficiency of ___
|
|
0
|
271
|
September 20, 2021
|
|
If residual magnetism of a shunt generator is ___
|
|
0
|
143
|
September 20, 2021
|
|
Two generators A and B running in parallel are supplying power to ___
|
|
0
|
364
|
September 20, 2021
|
|
A shunt generator can self-excite ___
|
|
0
|
165
|
September 20, 2021
|
|
Following energized winding of a D.C. machine should not be opened as ___
|
|
0
|
203
|
September 20, 2021
|
|
In over compounded generator, full load terminal voltage is ___
|
|
0
|
198
|
September 20, 2021
|
|
Lap winding is composed of ___
|
|
0
|
170
|
September 20, 2021
|
|
Armature coil is short-circuited by brushes when it ___
|
|
0
|
323
|
September 20, 2021
|
|
In D.C. generators on no-load, the air gap flux distribution in ___
|
|
0
|
143
|
September 20, 2021
|
|
Following D.C. generator will be in a position to ___
|
|
0
|
116
|
September 20, 2021
|
|
The e.m.f. generated by a shunt wound D.C. generator is ___
|
|
0
|
165
|
September 20, 2021
|
|
The demagnetising component of armature reaction in a ___
|
|
0
|
154
|
September 20, 2021
|
|
In a D.C. machine, short-circuited field coil will result in ___
|
|
0
|
276
|
September 20, 2021
|
|
In a D.C. generator, the armature reaction results in ___
|
|
0
|
146
|
September 20, 2021
|
|
Brushes of D.C. machines are made of ___
|
|
0
|
129
|
September 20, 2021
|
|
In lap winding, the number of brushes is ___
|
|
0
|
144
|
September 20, 2021
|
|
The field coils of D.C. generator are usually made of ___
|
|
0
|
172
|
September 20, 2021
|
|
Which of the following statements is incorrect in D.C. shunt generators about hysteresis loss?
|
|
0
|
157
|
September 20, 2021
|
|
If a self excited D.C. generator after being installed, fails to build up on ___
|
|
0
|
280
|
September 20, 2021
|
|
Which generator would you prefer for feeding long D.C. transmission lines?
|
|
0
|
291
|
September 20, 2021
|
|
A series generator can ___
|
|
0
|
148
|
September 20, 2021
|
|
Armature reaction in a generator results in ___
|
|
0
|
255
|
September 20, 2021
|
|
In a D.C. machine stray loss is the ___
|
|
0
|
143
|
September 20, 2021
|
|
To achieve sparkless commutation brushes of a D.C. generator are ___
|
|
0
|
210
|
September 20, 2021
|
|
In a D.C. generator in order to reduce sparking at brushes, the ___
|
|
0
|
135
|
September 20, 2021
|