Single Phase Motors If the capacitor of a single-phase motor is short-circuited the motor will run the motor will run in reverse direction the motor will not start the motor will run in the same direction at reduced r.p.m. the motor will run the motor will run in reverse direction the motor will not start the motor will run in the same direction at reduced r.p.m. 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 At starting, the line current of a capacitor start induction motor is ______ the normal full load current. 4 to 5 times 7 to 8 times Equal to 8 to 10 times 4 to 5 times 7 to 8 times Equal to 8 to 10 times 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. Less than More than The same as None of the listed here Less than More than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used on small lathes is usually 3-phase synchronous motor Dc shunt motor Single phase capacitor run motor Universal motor 3-phase synchronous motor Dc shunt motor Single phase capacitor run motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors When a universal motor is operated on no load, its speed is limited by Armature reaction Weight of the armature Supply voltage frequency Windage and friction Armature reaction Weight of the armature Supply voltage frequency Windage and friction ANSWER DOWNLOAD EXAMIANS APP
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