Electrical Machines Questions Bank Online Exam Quiz
Electrical Machines Questions Bank GK Quiz. Question and Answers related to Electrical Machines Questions Bank. MCQ (Multiple Choice Questions with answers about Electrical Machines Questions Bank
If the machine was operating at upf, then the new excitation voltage will be _________
Options
A : greater than 1 pu
B : less than 1 pu
C : 1 pu
D : zero
Alternator compounding characteristic is obtained by _________
Options
A : keeping Vt constant
B : keeping Ef constant
C : keeping Ia constant
D : varying Vt
The rating of the alternator is decided by _________
Options
A : losses
B : voltage
C : armature current
D : temperature
At zpf lag, the excitation should be increased in order to maintain the armature terminal voltage constant.
Options
A : True
B : False
C :
D :
The core losses in synchronous machine is _______ dependent.
Options
A : voltage
B : current
C : temperature
D : insulation
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