Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 100 30 to 40 70 to 80 80 to 90 100 30 to 40 70 to 80 80 to 90 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of split phase induction motor can be reversed by interchanging the connections of supply of ________ Either main or starting winding None of the listed here Both main and starting winding Rotor winding Either main or starting winding None of the listed here Both main and starting winding Rotor winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Torque developed by a single phase induction motor at starting is None of the listed here Uniform Pulsating Nil None of the listed here Uniform Pulsating Nil ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor. The same as None of the listed here More than Less than The same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because it can be easily manufactured in extremely small sizes of up to 1 W output it revolves synchronously it is not subject to any magnetic or mechanical vibrations it develops hysteresis torque which is extremely steady both in amplitude and phase it can be easily manufactured in extremely small sizes of up to 1 W output it revolves synchronously it is not subject to any magnetic or mechanical vibrations it develops hysteresis torque which is extremely steady both in amplitude and phase ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors can be used for unity power factor ? Schrage motor Shaded pole motor Hysteresis motor Capacitor run motor Schrage motor Shaded pole motor Hysteresis motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
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