Alternators Excessive windage loss and noise occur with Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be Sum of the output of two Unity Zero None of the listed here Sum of the output of two Unity Zero None of the listed here 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 speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 500 Hz 50 Hz 60 Hz 400 Hz 500 Hz 50 Hz 60 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ Eddy current loss Hysteresis loss Windage loss None of the listed here Eddy current loss Hysteresis loss Windage loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP