|
In the case of lap winding resultant pitch is ___
|
|
0
|
128
|
September 19, 2021
|
|
Armature reaction of an unsaturated D.C. machine is ___
|
|
0
|
145
|
September 19, 2021
|
|
Iron losses in a D.C. machine are independent of ___
|
|
0
|
141
|
September 19, 2021
|
|
While applying Fleming's right-hand rule to find the direction of ___
|
|
0
|
119
|
September 19, 2021
|
|
Which one of the following generators is used for charging the batteries?
|
|
0
|
115
|
September 19, 2021
|
|
As a result of armature reaction, the reduction in the total mutual air gap flux in ___
|
|
0
|
111
|
September 19, 2021
|
|
In case of D.C. generators, the armature voltage control is considered as ___
|
|
0
|
136
|
September 19, 2021
|
|
Which of the following generators will be preferred if they are required to be run in parallel?
|
|
0
|
150
|
September 19, 2021
|
|
A 220 V D.C. generator is run at full speed without any ___
|
|
0
|
146
|
September 19, 2021
|
|
Which of the following D.C. generators will be in a position to build up without any residual magnetism in the poles?
|
|
0
|
245
|
September 19, 2021
|
|
Number of tappings for each equilizer ring is ___
|
|
0
|
157
|
September 19, 2021
|
|
Flashing the field of D.C. generator means ___
|
|
0
|
110
|
September 19, 2021
|
|
In D.C. generators the polarity of ___
|
|
0
|
142
|
September 19, 2021
|
|
Open circuited armature coil of a D.C. machine is ___
|
|
0
|
105
|
September 19, 2021
|
|
In a D.C. generator the ripples in the direct e.m.f. generated are reduced by ___
|
|
0
|
262
|
September 19, 2021
|
|
The function of pole shoes in the case of D.C. machine is ___
|
|
0
|
103
|
September 19, 2021
|
|
If brushes of a D.C. generator are moved in order to bring these brushes in ___
|
|
0
|
152
|
September 19, 2021
|
|
The insulating material used between the commutator segments is ___
|
|
0
|
119
|
September 19, 2021
|
|
In case of D.C. machines, mechanical losses are ___
|
|
0
|
146
|
September 19, 2021
|
|
Fleming's right-hand rule regarding direction of ___
|
|
0
|
179
|
September 19, 2021
|
|
Laminations of core are generally made of ___
|
|
0
|
131
|
September 19, 2021
|
|
In D.C. generators, the brushes remain in contact with ___
|
|
0
|
137
|
September 19, 2021
|
|
A simple method of increasing the voltage of ___
|
|
0
|
215
|
September 19, 2021
|
|
The series field of a short-shunt D.C. generator is ___
|
|
0
|
153
|
September 19, 2021
|
|
The essential condition for parallel operation of ___
|
|
0
|
137
|
September 19, 2021
|
|
Which of the following generating machine will offer constant voltage on all loads?
|
|
0
|
231
|
September 19, 2021
|
|
A sinusoidal voltage of 5 Hz is applied to the field of ___
|
|
0
|
228
|
September 19, 2021
|
|
Which of the following generator will have negligible terminal voltage while running on no-load?
|
|
0
|
211
|
September 19, 2021
|
|
The rapid wear of brushes takes place due to ___
|
|
0
|
114
|
September 19, 2021
|
|
A D.C. generator fails to build up the probable cause could ___
|
|
0
|
133
|
September 19, 2021
|