Alternators In aircrafts, alternators have operating frequency of 400 Hz 50 Hz 800 Hz 60 Hz 400 Hz 50 Hz 800 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine A rectifier None of the listed here A transformer A dc machine A rectifier None of the listed here A transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Laminated stainless steel Cast iron Forged steel Manganese steel Laminated stainless steel Cast iron Forged steel Manganese steel ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. None of the listed here Both DC and AC AC DC None of the listed here Both DC and AC AC DC ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Remains the same None of the listed here Decreases Increases Remains the same None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS