Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, high output Low speed, high output High speed, low output None of the listed here High speed, high output Low speed, high output High speed, low output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Decrease None of the listed here Remain unchanged Increase Decrease None of the listed here Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Synchronous motor Dc series motor Squirrel cage induction motor Wound rotor induction motor Synchronous motor Dc series motor Squirrel cage induction motor Wound rotor induction motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is supplied with unbalanced voltage None of these under-loaded over-loaded supplied with unbalanced voltage None of these under-loaded over-loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-up torque pull-out torque pull-in torque None of these pull-up torque pull-out torque pull-in torque None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed ANSWER DOWNLOAD EXAMIANS APP