Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Remains unchanged Becomes zero Is increased too much Is decreased too much Remains unchanged Becomes zero Is increased too much Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is One Two Infinity Zero One Two Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Applied voltage of the motor Motor speed Power factor of power drawn by the motor Any of the above Applied voltage of the motor Motor speed Power factor of power drawn by the motor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is increased too much Remains unchanged Is decreased too much Become zero Is increased too much Remains unchanged Is decreased too much Become zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over excited Over loaded Under excited Under loaded Over excited Over loaded Under excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
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