Alternators The number of poles in turbo alternators is usually 4 50 12 2 4 50 12 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Steam engine Hydraulic turbines Steam turbines None of the listed here Steam engine Hydraulic turbines Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Decreases Increases Remains the same None of the listed here Decreases Increases Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 50 Hz 400 Hz 60 Hz 500 Hz 50 Hz 400 Hz 60 Hz 500 Hz 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. Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. DC None of the listed here Both DC and AC AC DC None of the listed here Both DC and AC AC ANSWER DOWNLOAD EXAMIANS APP
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