Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Unchanged Half One fourth Double Unchanged Half ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Less turns of wire are required Magnetic losses are the minimum Small conductors can be used Higher terminal voltage is obtained Less turns of wire are required Magnetic losses are the minimum Small conductors can be used Higher terminal voltage is obtained ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. Diesel engines None of the listed here Hydraulic turbines Steam turbines Diesel engines None of the listed here Hydraulic turbines Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators Zero power factor method for alternator is generally used to determine Voltage regulation of the alternator Synchronous impedance of alternator None of the listed here Efficiency of alternator Voltage regulation of the alternator Synchronous impedance of alternator None of the listed here Efficiency of alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 12 4 50 2 12 4 50 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS