Alternators The field winding of an alternator is _____ excited. Both DC and AC DC None of the listed here AC Both DC and AC DC None of the listed here AC ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged Half Double One fourth Unchanged Half Double One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Manganese steel Forged steel Laminated stainless steel Cast iron Manganese steel Forged steel Laminated stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator one of the advantages of distribution the winding is to Improve voltage wavefrom Save on copper Reduce noise None of the listed here Improve voltage wavefrom Save on copper Reduce noise None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ 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 Harmonics are introduced Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 5 times smaller than 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than 5 times greater than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
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