Alternators A turbo alternator uses ________ Salient pole field structure Rotating ac machine winding None of the listed here Nonsalient pole field structure Salient pole field structure Rotating ac machine winding None of the listed here Nonsalient pole field structure ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on 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 Number of poles only Both rotative speed and number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half Four times Twice One-fourth Half Four times Twice One-fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ None of the listed here Remains the same Is increased Is decreased None of the listed here Remains the same Is increased Is decreased 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 Complex effects of armature reaction Large armature resistance Large leakage reactance None of the listed here Complex effects of armature reaction Large armature resistance Large leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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