Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 0.5 1.25 to 3.5 6 to 9 5 to 10 0.5 1.25 to 3.5 6 to 9 5 to 10 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 None of these pull-in torque pull-up torque pull-out torque None of these pull-in torque pull-up torque pull-out torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation High stability limit Lower stability limit Good voltage regulation Good speed regulation High stability limit Lower stability limit Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when None of the listed here The armature current is minimum The armature current is maximum The armature current is zero None of the listed here The armature current is minimum The armature current is maximum The armature current is zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then the motor stops it continues to run at the same speed it runs at a very high speed it runs at a slower speed the motor stops it continues to run at the same speed it runs at a very high speed it runs at a slower speed ANSWER DOWNLOAD EXAMIANS APP
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