Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except maximum value of coupling angle direction of rotation supply voltage rotor excitation maximum value of coupling angle direction of rotation supply voltage rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is None of the listed here Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here Identical to that of a dc motor Salient pole type Nonsalient pole type ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. None of the listed here Remain unchanged Decrease Increase None of the listed here Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Damper winding in its pole faces Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Compulsion due to lenz's law Damper winding in its pole faces Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Compulsion due to lenz's law ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 0° electrical 30° electrical 90° electrical 45° electrical 0° electrical 30° electrical 90° electrical 45° electrical ANSWER DOWNLOAD EXAMIANS APP