|
A separately-excited dc motor has an armature resistance of ___
|
|
0
|
159
|
June 27, 2023
|
|
The counter (or back) emf in a dc machine is ___
|
|
0
|
155
|
June 27, 2023
|
|
The direction of generated emf in the armature coil of ___
|
|
0
|
177
|
June 27, 2023
|
|
A belt-driven cumulatively-compound dc generator is delivering power to ___
|
|
0
|
148
|
June 27, 2023
|
|
A short-shunt cumulatively-compounded dc generator builds up ___
|
|
0
|
177
|
June 27, 2023
|
|
A 230 V dc series generator is driven at its ___
|
|
0
|
229
|
June 27, 2023
|
|
A dc shunt generator, when commissioned after a major repair of ___
|
|
0
|
138
|
June 27, 2023
|
|
A dc shunt generator, when driven without any excitation, showed an ___
|
|
0
|
157
|
June 27, 2023
|
|
A separately-excited DC generator, running at ___
|
|
0
|
142
|
June 27, 2023
|
|
A DC shunt generator builds up 230 V when driven in ___
|
|
0
|
173
|
June 27, 2023
|
|
A self-excited shunt generator fails to ___
|
|
0
|
154
|
June 27, 2023
|
|
In normal dc machines operating at ___
|
|
0
|
218
|
June 27, 2023
|
|
Consider the following statements regarding dc machines ___
|
|
0
|
150
|
June 27, 2023
|
|
The commutator segments of DC machines are made up of ___
|
|
0
|
206
|
June 27, 2023
|
|
The armature core of a DC machine is laminated to ___
|
|
0
|
135
|
June 27, 2023
|
|
A DC shunt generator builds up to a voltage of 220 V at ___
|
|
0
|
137
|
June 27, 2023
|
|
Consider the following statements regarding the magnetization characteristics of ___
|
|
0
|
154
|
June 27, 2023
|
|
The brush-axis of a bipolar dc motor is rotated by ___
|
|
0
|
217
|
June 27, 2023
|
|
In dc machines, the field-flux axis and armature-mmf axis are ___
|
|
0
|
212
|
June 27, 2023
|
|
In dc machines, the space waveform of ___
|
|
0
|
149
|
June 27, 2023
|
|
A commutator in DC machines can ___
|
|
0
|
124
|
June 27, 2023
|
|
In dc machines, the space distribution of air-gap flux density wave at ___
|
|
0
|
158
|
June 27, 2023
|
|
In dc machines, the field system has to be ___
|
|
0
|
159
|
June 27, 2023
|
|
In dc machines, the armature windings are placed on the ___
|
|
0
|
137
|
June 27, 2023
|
|
Which of the following voltage regulator is preferred for providing large values of ___
|
|
0
|
156
|
June 27, 2023
|
|
Fufuraldehyde analysis is done to determine the ___
|
|
0
|
125
|
June 27, 2023
|
|
Dissolve gas analysis of transformer oil is carried out to ___
|
|
0
|
121
|
June 27, 2023
|
|
What does the use the of height flux density value in transformer design lead to?
|
|
0
|
107
|
June 27, 2023
|
|
Maximum allowable moisture content of ___
|
|
0
|
123
|
June 27, 2023
|
|
Minimum allowable resistivity of power transformer insulating oil is ___
|
|
0
|
125
|
June 27, 2023
|