Single Phase Motors If a DC series motor is operated on AC supply, it will Have poor efficiency Have poor power factor All of the listed here Spark excessively Have poor efficiency Have poor power factor All of the listed here Spark excessively ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 80 to 90 100 70 to 80 30 to 40 80 to 90 100 70 to 80 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The least expensive fractional horse power motor is _______motor. Capacitor start Ac series Split phase Shaded pole Capacitor start Ac series Split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of shaded pole motor depends on ______ Supply frequency Which half of the pole is shaded Number of poles on the stator Supply voltage Supply frequency Which half of the pole is shaded Number of poles on the stator Supply voltage ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then electrolytic capacitor will, in all probability, suffer break down motor will not come up to speed current drawn by the motor will be excessively high motor will not carry the load electrolytic capacitor will, in all probability, suffer break down motor will not come up to speed current drawn by the motor will be excessively high motor will not carry the load ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because 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 is not subject to any magnetic or mechanical vibrations it revolves synchronously 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 is not subject to any magnetic or mechanical vibrations it revolves synchronously ANSWER DOWNLOAD EXAMIANS APP