Alternators A lower voltage alternator, for the same power rating, will be More efficient Operating at high rpm More costly Larger in size More efficient Operating at high rpm More costly Larger in size ANSWER DOWNLOAD EXAMIANS APP
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 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 In huge alternators, the moving part is Poles Brushes Armature None of the listed here Poles Brushes Armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Steam turbines Diesel engines Water turbines None of the listed here Steam turbines Diesel engines Water turbines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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