|
If the voltage of one of the two machines running in synchronism is ___
|
|
0
|
109
|
September 8, 2021
|
|
When two alternators are running in exact synchronism, the ___
|
|
0
|
127
|
September 8, 2021
|
|
In turbo-alternators, smooth cylindrical type rotors used have ___
|
|
0
|
122
|
September 8, 2021
|
|
The advantage of salient poles in an alternator is ___
|
|
0
|
992
|
September 8, 2021
|
|
An exciter for a generator is ___
|
|
0
|
138
|
September 8, 2021
|
|
An alternator is said to be over excited when it is ___
|
|
0
|
525
|
September 8, 2021
|
|
A stationary alternator should not be connected to ___
|
|
0
|
315
|
September 8, 2021
|
|
For a 3-phase winding with 5 slots per pole per phase and ___
|
|
0
|
607
|
September 8, 2021
|
|
Voltage regulation obtained by synchronous impedance method is ___
|
|
0
|
147
|
September 8, 2021
|
|
For a given output steam turbo-alternators are much smaller is ___
|
|
0
|
154
|
September 8, 2021
|
|
Zero power factor method for an alternator is ___
|
|
0
|
139
|
September 8, 2021
|
|
Regulation of an alternator supplying leading load is ___
|
|
0
|
530
|
September 8, 2021
|
|
The dark and bright lamp method is ___
|
|
0
|
122
|
September 8, 2021
|
|
Where the terminal voltage of an alternator falls on throwing of ___
|
|
0
|
419
|
September 8, 2021
|
|
In case of turbo-alternators the rotor is ___
|
|
0
|
112
|
September 8, 2021
|
|
Hydrogen is used in large alternators mainly to ___
|
|
0
|
283
|
September 8, 2021
|
|
The permissible duration for which a generator of rated frequency 50 Hz can ___
|
|
0
|
374
|
September 8, 2021
|
|
One of the super-thermal power stations is ___
|
|
0
|
113
|
September 8, 2021
|
|
In an alternator field the effect of crossmagnetisation is to ___
|
|
0
|
166
|
September 8, 2021
|
|
If the driving power from the primemover driving an alternator is lost but the alternator remains connected to ___
|
|
0
|
109
|
September 8, 2021
|
|
The regulation of an alternator is ___
|
|
0
|
168
|
September 8, 2021
|
|
Due to which of the following- reasons concentrated windings are not used in alternators?
|
|
0
|
165
|
September 8, 2021
|
|
Which of the following methods is best for finding the voltage regulation?
|
|
0
|
120
|
September 8, 2021
|
|
If the space flux distribution is nonsinusoidal, e.m.f. induced in the ___
|
|
0
|
372
|
September 8, 2021
|
|
In an alternator, the stator frame serves ___
|
|
0
|
274
|
September 8, 2021
|
|
The speed of an alternator is changed from ___
|
|
0
|
307
|
September 8, 2021
|
|
Excessive windage loss and noise occur with ___
|
|
0
|
134
|
September 8, 2021
|
|
In an alternator, the armature reaction will be completely magnetizing in ___
|
|
0
|
495
|
September 8, 2021
|
|
The speed of a salient pole machine is ___
|
|
0
|
106
|
September 8, 2021
|
|
In which coil the harmonic component of the generated e.m.f. will be more?
|
|
0
|
263
|
September 8, 2021
|