SINGLE PHASE MOTOR-2
Single Phase Motor Quiz
Test your knowledge of single phase motors with this engaging quiz! Designed for students and enthusiasts alike, this quiz covers various aspects of single phase motor operation and applications.
- Multiple choice questions to challenge your understanding
- Ideal for learning about motor types and their fun
ctions - Great for those interested in electrical engineering
11. A centrifugal switch is used to dis-connect starting winding when motor has _________
run for about 1 minute
Run for about 5 minutes
. Picked up about 50 to 70 percent of rated speed
picked up about 10 to 25 percent of rated speed
12. If a particular application needs high speed and high starting torque, then which of the following motor will be preferred?
. Universal motor
. Shaded pole type motor
capacitor start motor
capacitor start and run motor
13. In a single phase motor the centrifugal switch _________
disconnects auxillary winding of the motor
. Disconnects main winding of the motor
Reconnects the main winding the motor
reconnects the auxillary winding of the motor
14. Which of the following motors is used in mixies?
Repulsion motor
. Reluctance motor
Hysteresis motor
. Universal motor
15. Direction of rotation of a split phase motor can be reversed by reversing the connection of ___________
running winding only
Starting winding only
Either (a) or (b)
both (a) and (b)
16. Burning out of windings in capacitor run motor is due to _____
. Short circuited capacitor
capacitor value having changed
open circuiting of capacitor
None of the above
17. The power factor of a single-phase induction motor is usually _____
Lagging
Always leading
Unity
unity to 0.8 leading
18. A universal motor can run on _____
A.C. only
D.C. only
either A.C. or D.C.
None of the above
19. In split-phase motor auxiliary winding is of _________
. Thick wire placed at the bottom of the slots
thick wire placed at the top of the slots
. Thin wire placed at the top of the slots
thin wire placed at the bottom of the slots
20. In case of a shaded pole motor the direction of rotation of the motor is ______
. From main pole to shaded pole
From shaded pole to main pole
either of the above depending on voltage
either of the above depending on power factor
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