Alternators Three phase alternators are invariably star commected because Small conductors can be used Higher terminal voltage is obtained Magnetic losses are the minimum Less turns of wire are required Small conductors can be used Higher terminal voltage is obtained Magnetic losses are the minimum Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Remains the same Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here 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
Alternators The power factor of an alternator is determined by its Primemover Excitation Speed Load Primemover Excitation Speed Load ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator is somtimes called _______ generator. None of the listed here Synchronous Rosenberg Asynchronous None of the listed here Synchronous Rosenberg Asynchronous ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
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