SINGLE PHASE MOTORS MCQs – CHAPTER 5 DAE

21 min Score: 0 Attempted: 0/21 Subscribe
1. The starting winding of a single-phase motor is placed in the;





2. One of the characteristics of a single-phase motor is that it;





3. After the starting winding of a single-phase induction motor is disconnected from supply, it continues to run only on ............winding.





4. If starting winding of a single-phase induction motor is left in the circuit, it will;





5. The direction of rotation of a single-phase motor can be reversed by;





6. If a single-phase induction motor runs slower than normal, the more likely defect is;





7. The capacitor in a capacitor-start induction-run AC motor is connected in series with ...... winding.





8. A permanent-split single-phase capacitor motor does not have;





9. The starting torque of a capacitor-start induction-run motor is directly related to the angle α between its two winding currents by the relation;





10. In a two-value capacitor motor, the capacitor used for running purposes is a/an;





11. If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open, then;





12. Each of the following statements regarding a shaded-pole motor is true except;





13. Compensating winding is employed in an AC series motor in order to;





14. A universal motor is one which;





15. In a single-phase series motor the main purpose of inductively-wound compensating winding is to reduce the;





16. A repulsion motor is equipped with;





17. A repulsion-start induction-run single-phase motor runs as an induction motor only when;





18. If a DC series motor is operated on AC supply, it will;





19. An outstanding feature of a universal motor is its;





20. Speed of the universal motor is;





21. In the shaded pole squirrel cage induction motor the flux in the shaded part always;





Contents Copyrights Reserved By T4Tutorials