Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators Armature winding of an alternator are generally Partly open and partly closed windings None of the listed here Closed winding Open winding Partly open and partly closed windings None of the listed here Closed winding Open winding ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the stator frame serves To hold the armature stampings To protect the whole machine To verticate the armature As a return path for the flux To hold the armature stampings To protect the whole machine To verticate the armature As a return path for the flux ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Laminated stainless steel Forged steel Cast iron Manganese steel Laminated stainless steel Forged steel Cast iron Manganese steel ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because None of the listed here We employ automatic voltage regulators It limits the value of short circuit current It reduces the construction cost None of the listed here We employ automatic voltage regulators It limits the value of short circuit current It reduces the construction cost ANSWER DOWNLOAD EXAMIANS APP