Single Phase Motors Which of the following motors can be used for unity power factor ? Shaded pole motor Hysteresis motor Capacitor run motor Schrage motor Shaded pole motor Hysteresis motor Capacitor run motor Schrage motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following applications always have some load whenever switched on? Piston drills Fan motors All of the listed here Vaccum cleaners Piston drills Fan motors All of the listed here Vaccum cleaners ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1120 rpm 1540 rpm 1449 rpm 1279 rpm 1120 rpm 1540 rpm 1449 rpm 1279 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable Run as induction motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, a dc series motor costs ______single phase series motor. None of the listed here Less than More than About the same None of the listed here Less than More than About the same ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current ANSWER DOWNLOAD EXAMIANS APP
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