Synchronous Motors A synchronous motor runs at speed ranging from ______ None of the listed here 1800 to 3600 rpm 150 to 1800 rpm 3600 to 6000 rpm None of the listed here 1800 to 3600 rpm 150 to 1800 rpm 3600 to 6000 rpm ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent Zero 2 percent 10 percent 4 percent Zero 2 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Zero 0.5% 1% Positive Zero 0.5% 1% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases 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
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase Remain unchanged None of the listed here Decrease Increase Remain unchanged None of the listed here Decrease ANSWER DOWNLOAD EXAMIANS APP