Alternators In air-crafts, alternators have operating frequency of 400 Hz 60 Hz 50 Hz 500 Hz 400 Hz 60 Hz 50 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 Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Diesel engine Steam turbine Gas turbine Steam engine Diesel engine Steam turbine Gas turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Transfer of load Synchronizing Balancing of load Phase sequence Transfer of load Synchronizing Balancing of load Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. None of the listed here More than About the same as Less than None of the listed here More than About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
Alternators In a cylindrical rotor how much portion of the rotor is wound? One third Full Two third Half One third Full Two third Half ANSWER DOWNLOAD EXAMIANS APP
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