Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 30° electrical 0° electrical 90° electrical 45° electrical 30° electrical 0° electrical 90° electrical 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 Alcino Chrome steel Mild steel Stainless steel Alcino Chrome steel Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Damper winding Pony motor None of the listed here Variable frequency source Damper winding Pony motor None of the listed here Variable frequency source 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 load changing frequency changing the supply voltage using brakes changing the load changing frequency changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 5 to 10 6 to 9 0.5 1.25 to 3.5 5 to 10 6 to 9 0.5 1.25 to 3.5 ANSWER DOWNLOAD EXAMIANS APP