EEE :: Single Phase Induction Motors
- Which of the following statements regarding a reluctance motor is incorrect ?
- Which of the following statements regarding repulsion-start induction motor is incorrect ?
- In a universal motor, the most common cause of brush sparking is
- In repulsion motor direction of rotation of motor
- Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed
- Burning out of winding is due to
- Which of the following statements regarding single-phase induction motoris correct ?
- Which of the following statements regarding hysteresis motor is in incorrect ?
- Which of the following single-phase motors has relatively poor starting torque ?
- If a single phase induction motor runs slower than normal, the most likely defect is
|
A.
It cannot be reversed, ordinarily |
|
B.
It requires no D.C. field excitation for its operation |
|
C.
It is nothing else but a single-phase, salient pole synchronous-induction motor |
|
D.
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor |
Whatsapp
Facebook
