Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating kVA rating kW rating None of the listed here kVAR rating kVA rating kW rating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to square of Independent of Directly proportional to Invesely proportional to Directly proportional to square of Independent of Directly proportional to Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 30° electrical 90° electrical 0° electrical 45° electrical 30° electrical 90° electrical 0° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Mechanical load Supply frequency Field excitation None of the listed here Mechanical load Supply frequency Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these equal to the supply voltage more than the supply voltage less than the supply voltage None of these equal to the supply voltage more than the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Compulsion due to lenz's law Magnetic locking between stator and rotor poles Damper winding in its pole faces Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Magnetic locking between stator and rotor poles Damper winding in its pole faces Induced emf in rotor field winding by stator flux ANSWER DOWNLOAD EXAMIANS APP
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