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.Management Sciences
A. It requires more maintenance of commutator and other mechanical devices
B. It makes quite a bit of noise on starting
C. In fractional horse power motors, it has replaced the capacitor motors
D. It is not easily reversed
Related Mcqs:
- In a split phase motor, the running winding should have?
- A. high resistance and low inductance B. low resistance and high inductance C. high resistance as well as high inductance D. low resistance as well as low inductiance...
- For which of the applications a reluctance motor is preferred ?
- A. Electric shavers B. Refrigerators C. Signalling and timing devices D. Lifts and hoists...
- The wattage of motor for driving domestic sewing machine will be around__________?
- A. 100 to 150 W B. 40 to 75 W C. 10 to 30 W D. 5 to 10 W...
- After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on ______________?
- A. running winding B. rotor winding C. field winding D. compensating winding...
- The purpose of stator winding in the compensated repulsion motor is to_____________?
- A. provide mechanical balance B. improve power factor and provide better speed regulation C. prevent hunting in the motor D. eliminate armature reaction...
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