Capacitor Start Single Phase Induction Motor Multiple Choice Questions and Answers


6. In capacitor start single-phase motors


   A.Current in the starting winding leads the voltage

   B.Current in the starting winding legs the voltage

   C.Current in the starting winding is in phase with voltage in running winding

   D.None of the above


✔ View Answer


A.Current in the starting winding leads the voltage

✍ Your Comments

Your name:

Your Email:

Your Comments:



7. In a capacitor start motor, the phase displacement between starting and running winding can be nearly


   A.100

   B.300

   C.600

   D.900


✔ View Answer


D.900

✍ Your Comments

Your name:

Your Email:

Your Comments:



8. 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


   A.Start and then stop

   B.Start and run slowly

   C.Start and run at rated speed

   D.Not start at all


✔ View Answer


D.Not start at all

✍ Your Comments

Your name:

Your Email:

Your Comments:



9. 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


✔ View Answer


D.Motor will continue to run in same direction

✍ Your Comments

Your name:

Your Email:

Your Comments:



10. A single-phase capacitor-start motor will take starting current nearly


   A.Four to six times the full load current

   B.Three times the full load current

   C.Twice the full load current

   D.Same as full load current


✔ View Answer


C.Twice the full load current

✍ Your Comments

Your name:

Your Email:

Your Comments:






< 1 2 3 4 5 6 Next>






Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh