Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Torque angle Applied stator voltage Field excitation Speed Torque angle Applied stator voltage Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Windage loss Core loss Copper loss Bearing friction loss Windage loss Core loss Copper loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except rotor excitation supply voltage maximum value of coupling angle direction of rotation rotor excitation supply voltage maximum value of coupling angle direction of rotation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry No current Direct current All of the listed here Alternating current No current Direct current All of the listed here Alternating current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Normally excited Under-excited Over-excited All of these Normally excited Under-excited Over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-out torque pull-up torque None of these pull-in torque pull-out torque pull-up torque None of these pull-in torque ANSWER DOWNLOAD EXAMIANS APP
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