|
D.C. series generator is ___
|
|
0
|
136
|
September 20, 2021
|
|
The voltage drop for which of the following types of brush can be expected to be least?
|
|
0
|
191
|
September 20, 2021
|
|
Which of the following statement about D.C. generators is false?
|
|
0
|
115
|
September 20, 2021
|
|
Eddy currents are induced in the pole shoes of a D.C. machine due to ___
|
|
0
|
150
|
September 20, 2021
|
|
Requirement of speed at which machine is ___
|
|
0
|
467
|
September 20, 2021
|
|
In D.C. generators, the cause of rapid brush wear may be ___
|
|
0
|
143
|
September 20, 2021
|
|
The resistance of armature winding depends on ___
|
|
0
|
174
|
September 20, 2021
|
|
An ideal D.C. generator has a regulation of ___
|
|
0
|
123
|
September 20, 2021
|
|
The main factor which leads to unstable parallel operation of ___
|
|
0
|
183
|
September 20, 2021
|
|
With a D.C. generator which of the following regulation is preferred?
|
|
0
|
161
|
September 20, 2021
|
|
D. C. generator works on the principle of ___
|
|
0
|
169
|
September 20, 2021
|
|
If residual magnetism is present in a D.C. generator, the induced e.m.f. at ___
|
|
0
|
140
|
September 20, 2021
|
|
In any rotating machine that part which houses the conductors and in ___
|
|
0
|
109
|
September 20, 2021
|
|
In a D.C. generator the critical resistance refers to ___
|
|
0
|
148
|
September 20, 2021
|
|
In a D.C. generator the magnetic neutral axis coincides with ___
|
|
0
|
131
|
September 20, 2021
|
|
For the parallel operation of two or more D.C. compound generators, we should ___
|
|
0
|
245
|
September 20, 2021
|
|
Two generators A and B have ___
|
|
0
|
123
|
September 19, 2021
|
|
A D.C. welding generator has ___
|
|
0
|
157
|
September 19, 2021
|
|
D.C. generators are connected to the busbars or disconnected from ___
|
|
0
|
120
|
September 19, 2021
|
|
For generating large currents on D.C. generators which winding is ___
|
|
0
|
136
|
September 19, 2021
|
|
The bearings used to support the rotor shafts are ___
|
|
0
|
253
|
September 19, 2021
|
|
The armature of D.C. generator is laminated to ___
|
|
0
|
177
|
September 19, 2021
|
|
An external resistance added in the field of ___
|
|
0
|
376
|
September 19, 2021
|
|
Shunt generators are most suited for stable parallel operation because of ___
|
|
0
|
137
|
September 19, 2021
|
|
When two D.C. generators are running in parallel an equilizer bar is ___
|
|
0
|
106
|
September 19, 2021
|
|
Two generators are running in ___
|
|
0
|
127
|
September 19, 2021
|
|
In a separately excited generator supplying rated load the ___
|
|
0
|
144
|
September 19, 2021
|
|
A D.C. generator can be considered as ___
|
|
0
|
180
|
September 19, 2021
|
|
The e.m.f. induced in the armature of a shunt generator is ___
|
|
0
|
140
|
September 19, 2021
|
|
In a D.C. machine, fractional pitch winding is ___
|
|
0
|
336
|
September 19, 2021
|