Alternators The voltage regulation of an alternator depends on Power factor only Load current only None of the listed here Both load current and pf Power factor only Load current only None of the listed here Both load current and pf ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 400 V 132 kV 230 V 11 kV 400 V 132 kV 230 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Remains the same Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
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