Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Cast iron Manganese steel Laminated stainless steel Forged steel Cast iron Manganese steel Laminated stainless steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.995 0.65 0.76 0.85 0.995 0.65 0.76 0.85 ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Number of poles only Both rotative speed and number of poles Rotative speed only None of the listed here Number of poles only Both rotative speed and number of poles Rotative speed only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Leading VAR No reactive power None of the listed here Lagging VAR Leading VAR No reactive power None of the listed here Lagging VAR ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ All of the listed here Rotor speed Number of poles Flux per pole All of the listed here Rotor speed Number of poles Flux per pole ANSWER DOWNLOAD EXAMIANS APP
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