Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ Hydraulic turbines Steam engine None of the listed here Steam turbines Hydraulic turbines Steam engine None of the listed here Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators Iron and friction losses of an alternator can be measured by a Dc motor Rectifier None of the listed here Transformer Dc motor Rectifier None of the listed here Transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 1500 rpm 1500 rpm 5000 rpm 3000 rpm 1500 rpm 1500 rpm 5000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer Rectifier None of the listed here Dc motor Transformer Rectifier None of the listed here Dc motor ANSWER DOWNLOAD EXAMIANS APP
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