A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will______________?

Related Mcqs:

1. In a capacitor start single-phase motor, when capacitor is replaced by a resistance____________?

   A. torque will increase
   B. the motor will consume less power
   C. motor will run in reverse direction
   D. motor will continue to run in same direction

2. 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

3. In capacitor start single-phase motors____________?

   A. current in the starting winding leads the voltage
   B. current in the starting winding lags the voltage
   C. current in the starting winding is in phase with voltage in running winding
   D. none of the above

4. In a capacitor start motor, the phase displacement between starting and running winding can be nearly__________?

   A. 10°
   B. 30°
   C. 60°
   D. 90°

5. In a two value capacitor motor, the capacitor used for running purposes is_______________?

   A. air capacitor
   B. paper spaced oil filled type
   C. ceramic type
   D. a.c. electrolytic type

6. If the capacitor of a single-phase motor is short-circuited_________?

   A. the motor will not start
   B. the motor will run
   C. the motor will run in reverse direction
   D. the motor will run in the same direction at reduced r.p.m

7. The power factor of a single-phase induction motor is usually?

   A. lagging
   B. always leading
   C. unity
   D. unity to 0.8 leading

8. A single-phase induction motor is__________?

   A. inherently self-starting with high torque
   B. inherently self-starting with low torque
   C. inherently non-self-starting with low torque
   D. inherently non-self-starting with high torque

9. Single phase induction motor usually operates on__________?

   A. 0.6 power factor lagging
   B. 0.8 power factor lagging
   C. 0.8 power factor leading
   D. unity power factor

10. If starting winding of a single-phase induction motor is left in the circuit, it will____________?

    A. run faster
    B. spark at light loads
    C. draw excessive current and overheat
    D. run slower