The rotor of a hysteresis motor is made of___________?
The rotor of a hysteresis motor is made of___________?
A. aluminium
B. cast iron
C. chrome steel
D. copper
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Which of the following statements regarding single-phase induction motors correct?
Which of the following statements regarding single-phase induction motors correct?A. It requires only one winding
B. It can rotate in one direction only
C. It is self-starting
D. It is not self-startingBurning out of winding is due to___________?
Burning out of winding is due to___________?A. short circuited capacitor
B. capacitor value hiving changed
C. open circuiting of capacitor
D. none of the aboveWhich of the following applications always have some load whenever switched on ?
Which of the following applications always have some load whenever switched on ?A. Vacuum cleaners
B. Fan motors
C. Pistol drills
D. All of the aboveWhich of the following single-phase induction motors is generally used in time phonographs ?
Which of the following single-phase induction motors is generally used in time phonographs ?A. Resistance start
B. Capacitor start capacitor run
C. Shaded pole
D. UniversalIn split phase motor main winding is of _____________?
In split phase motor main winding is of _____________?A. thin wire placed at the top of the slots
B. thin wire placed at the bottom of the slots
C. thick wire placed at the bottom of the slots
D. thick wire placed at the top of the” slotsIn which single-phase motor, the rotor has no teeth or winding ?
In which single-phase motor, the rotor has no teeth or winding ?A. Split phase motor
B. Reluctance motor
C. Hysteresis motor
D. Universal motor