Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz 50 Hz None of the listed here 60 Hz 120 Hz 50 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Complex effects of armature reaction None of the listed here Large armature resistance Large leakage reactance Complex effects of armature reaction None of the listed here Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is Poles Armature None of the listed here Brushes Poles Armature None of the listed here Brushes ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be Zero Unity Sum of the output of two None of the listed here Zero Unity Sum of the output of two None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
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