Synchronous Motors Small synchronous motors are started by _______ None of the listed here Pony motor Variable frequency source Damper winding None of the listed here Pony motor Variable frequency source Damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about None of these one hour one second one minute None of these one hour one second one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 50 cycles/second 25 cycles/ second 100 cycles/second None of the listed here 50 cycles/second 25 cycles/ second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Alcino Chrome steel Mild steel Stainless steel Alcino Chrome steel Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Remains unchanged Become zero Is increased too much Is decreased too much Remains unchanged Become zero Is increased too much Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated horseppwer output None of the listed here Less than rated horsepower output More than rated rotor current More than rated horseppwer output None of the listed here Less than rated horsepower output More than rated rotor current ANSWER DOWNLOAD EXAMIANS APP
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