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 1279 rpm 1120 rpm 1540 rpm 1449 rpm 1279 rpm 1120 rpm 1540 rpm 1449 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Shaped pole motor Repulsion motor Capacitor-start motor Split-phase motor Shaped pole motor Repulsion motor Capacitor-start motor Split-phase motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency helps the rotor teeth to remain under the stator teeth improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency helps the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Draw only the in phase currents Draw equal current Are mutually displaced by 90° electrical Have equal R/XL ratio Draw only the in phase currents Draw equal current Are mutually displaced by 90° electrical Have equal R/XL ratio ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A repulsion motor is equipped with None of these slip rings commutator both (A) and (B) None of these slip rings commutator both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the 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