Synchronous Motors The size of a synchronous motor decreases with the increase in Speed Flux density Horse power rating All of the listed here Speed Flux density Horse power rating All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The efficiency of a properly designed synchronous motor will usually fall in range 85 to 95% 75 to 80% 99 to 99.5% 60 to 70% 85 to 95% 75 to 80% 99 to 99.5% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. Unity 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum None of the listed here Maximum Zero minimum None of the listed here Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at no-load and greatly over-excited fields normal load with minimum excitation normal load with zero excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with minimum excitation normal load with zero excitation no-load and under-excited fields ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be unity leading lagging zero unity leading lagging zero ANSWER DOWNLOAD EXAMIANS APP
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