Alternators Voltage drop in an alternator when under load is due to ______ Armatute reaction All of the listed here Armature reactance Armature resistance Armatute reaction All of the listed here Armature reactance Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as None of the listed here Greater than Smaller than The same as None of the listed here Greater than Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Waveform becomes non-sinusoidal Voltage round the coil is reduced Harmonics are introduced None of the listed here Waveform becomes non-sinusoidal Voltage round the coil is reduced Harmonics are introduced None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm None of the listed here 500 rpm 1500 rpm 1000 rpm None of the listed here 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. Much longer than None of the listed here Much shorter than About same as Much longer than None of the listed here Much shorter than About same as ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS