Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Reduce dc field excitation to zero None of the listed here Interchange any two stator lines Change supply frequency Reduce dc field excitation to zero None of the listed here Interchange any two stator lines Change supply frequency 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-up torque pull-out torque pull-in torque None of these pull-up torque pull-out torque pull-in torque None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation lower stability limit high stability limit good voltage regulation good speed regulation lower stability limit high stability limit good voltage regulation 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
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Field excitation Torque angle Applied stator voltage Speed Field excitation Torque angle Applied stator voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Mild steel Stainless steel Alcino Chrome steel Mild steel Stainless steel Alcino Chrome steel ANSWER DOWNLOAD EXAMIANS APP
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