Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating None of the listed here kVA rating kW rating kVAR rating None of the listed here kVA rating kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 50 cycles/second 100 cycles/second None of the listed here 25 cycles/ second 50 cycles/second 100 cycles/second None of the listed here 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be unity leading zero lagging unity leading zero lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By interchanging any two phases By changing the supply frequency By changing the applied voltage By changing the load By interchanging any two phases By changing the supply frequency By changing the applied voltage By changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging unity power factor zero power factor leading 0.707 power factor leading 0.707 power factor lagging unity power factor zero power factor leading 0.707 power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ Low speed, high output None of the listed here High speed, low output High speed, high output Low speed, high output None of the listed here High speed, low output High speed, high output ANSWER DOWNLOAD EXAMIANS APP
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