Single Phase Motors Most of the fractional horsepower motors have either hard and annealed bearings 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run motor has _______ No centrifugal switch Low efficiency Noisy operation Low power factor No centrifugal switch Low efficiency Noisy operation Low power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor used in capacitor start motor is always a _______ capacitor. Mica Electrolyte Ceramic Paper Mica Electrolyte Ceramic Paper ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor, the direction of rotation is from Shaded pole to main pole Main poles to shaded pole None of the listed here Depends on supply line polarity Shaded pole to main pole Main poles to shaded pole None of the listed here Depends on supply line polarity 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 1279 rpm 1449 rpm 1540 rpm 1120 rpm 1279 rpm 1449 rpm 1540 rpm 1120 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following single-phase motors has relatively poor starting torque ? Repulsion motor Universal motor Capacitor motor All single phase motors have zero starting torque Repulsion motor Universal motor Capacitor motor All single phase motors have zero starting torque ANSWER DOWNLOAD EXAMIANS APP