Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 30 to 35% 5 to 10% 60 to 70% 70 to 80% 30 to 35% 5 to 10% 60 to 70% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the capacitor of a single-phase motor is short-circuited the motor will not start the motor will run in reverse direction the motor will run the motor will run in the same direction at reduced r.p.m. the motor will not start the motor will run in reverse direction the motor will run the motor will run in the same direction at reduced r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a hysteresis motor, the rotor must have None of the listed here Susceptibility Resistivity Retentivity None of the listed here Susceptibility Resistivity Retentivity ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1200 rpm None of the listed here 1500 rpm 750 rpm 1200 rpm None of the listed here 1500 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either plain or sleeve bearings soft and porous bearings ball or roller bearings hard and annealed bearings plain or sleeve bearings soft and porous bearings ball or roller bearings hard and annealed bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Reduce losses Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here Reduce losses Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP