Alternators Iron and friction losses of an alternator can be measured by a Transformer Rectifier None of the listed here Dc motor Transformer Rectifier None of the listed here Dc motor ANSWER DOWNLOAD EXAMIANS APP
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. Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 2-pole 4-pole 8-pole None of the listed here 2-pole 4-pole 8-pole None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 500 rpm 1500 rpm 3000 rpm 1000 rpm 500 rpm 1500 rpm 3000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 4 2 12 50 4 2 12 50 ANSWER DOWNLOAD EXAMIANS APP