Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to Invesely proportional to Independent of Directly proportional to square of Directly proportional to Invesely proportional to Independent of Directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Chrome steel Mild steel Alcino Stainless steel Chrome steel Mild steel Alcino Stainless steel 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 25 cycles/ second 50 cycles/second 100 cycles/second None of the listed here 25 cycles/ second 50 cycles/second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. None of the listed here Remain unchanged Decrease Increase None of the listed here Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging unity leading zero lagging unity leading zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable frequency Variable supply frequency Windage friction Variable load Variable frequency Variable supply frequency Windage friction Variable load ANSWER DOWNLOAD EXAMIANS APP