Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.707 0.866 0.2 0.6 0.707 0.866 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. DC AC Both DC and AC None of the listed here DC AC Both DC and AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ Star-delta connected Generally delta connected None of the listed here Always star connected Star-delta connected Generally delta connected None of the listed here Always star connected ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 400 Hz 50 Hz 500 Hz 60 Hz 400 Hz 50 Hz 500 Hz 60 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 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 Increasing the speed of prime movers Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP