Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 157 rad/s 118 rad/s 192 rad/s 212 rad/s 157 rad/s 118 rad/s 192 rad/s 212 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Small conductors can be used Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators Zero power factor method for alternator is generally used to determine Efficiency of alternator Synchronous impedance of alternator None of the listed here Voltage regulation of the alternator Efficiency of alternator Synchronous impedance of alternator None of the listed here Voltage regulation of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Steam engine Diesel engine Gas turbine Steam turbine Steam engine Diesel engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
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