Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 90° electrical 30° electrical 0° electrical 45° electrical 90° electrical 30° electrical 0° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one minute one second None of these one hour one minute one second None of these one hour ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Normally excited Over excited Under excited None of the listed here Normally excited Over excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ None of the listed here Maximum minimum Zero None of the listed here Maximum minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor speed Flux density None of the listed here Rotor excitation Rotor speed Flux density None of the listed here Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving A reciprocating air compressor Any of the listed here A centrifugal pump A centrifugal blower A reciprocating air compressor Any of the listed here A centrifugal pump A centrifugal blower ANSWER DOWNLOAD EXAMIANS APP
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