|
The terminal voltage of a D.C. shunt generator drops on ___
|
|
0
|
124
|
September 19, 2021
|
|
An exciter for a turbo generator is a ___
|
|
0
|
155
|
September 19, 2021
|
|
To avoid formation of grooves in the commutator of ___
|
|
0
|
224
|
September 19, 2021
|
|
The purpose of providing dummy coils in a ___
|
|
0
|
143
|
September 19, 2021
|
|
D.C. generator generally preferred for charging automobile batteries is ___
|
|
0
|
191
|
September 19, 2021
|
|
The armature core of a D.C. generator is ___
|
|
0
|
130
|
September 19, 2021
|
|
The number of brushes in a commutator depends on ___
|
|
0
|
206
|
September 19, 2021
|
|
The polarity of a D.C. generator can be reversed by
|
|
0
|
301
|
September 19, 2021
|
|
If B is the flux density, i the length of ___
|
|
0
|
153
|
September 19, 2021
|
|
In a four-pole D.C. machine ___
|
|
0
|
132
|
September 19, 2021
|
|
In a commutator ___
|
|
0
|
211
|
September 19, 2021
|
|
Drop in speed of a D.C. generator due to increase in ___
|
|
0
|
298
|
September 19, 2021
|
|
The slight curvature at the lower emf of the O.C.C. of ___
|
|
0
|
332
|
September 19, 2021
|
|
In a D.C. generator the critical resistance can be increased by ___
|
|
0
|
149
|
September 19, 2021
|
|
The terminal voltage of a series generator is 150 V when the load current is ___
|
|
0
|
322
|
September 19, 2021
|
|
Wave winding is composed of ___
|
|
0
|
149
|
September 19, 2021
|
|
In a level compounded D.C. generator, full load terminal voltage is ___
|
|
0
|
183
|
September 19, 2021
|
|
In a D.C. generator in case the resistance of the field winding is ___
|
|
0
|
164
|
September 19, 2021
|
|
A cumulatively compounded long shunt generator when ___
|
|
0
|
198
|
September 19, 2021
|
|
A shunt generator running at 1000 r.p.m. has ___
|
|
0
|
171
|
September 19, 2021
|
|
Interpole flux should be ___
|
|
0
|
109
|
September 19, 2021
|
|
In a D.C. generator the actual flux distribution depends upon ___
|
|
0
|
154
|
September 19, 2021
|
|
Magnetic field in a D.C. generator is produced by ___
|
|
0
|
145
|
September 19, 2021
|
|
Equilizer rings are required in ___
|
|
0
|
125
|
September 19, 2021
|