Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Half Unchanged Double One fourth Half Unchanged Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is identical to that of a ______ Roserberg generator Dc generator 3-phase induction motor 1-phase induction motor Roserberg generator Dc generator 3-phase induction motor 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ Eddy current loss Windage loss Hysteresis loss None of the listed here Eddy current loss Windage loss Hysteresis loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, armature reaction is considered equivalent to Fictitious conductance Fictitious resistance Fictitious reactance Fictitious impedance Fictitious conductance Fictitious resistance Fictitious reactance Fictitious impedance ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced None of the listed here ANSWER DOWNLOAD EXAMIANS APP