Skip to content
AnsweringExams.Com
  • Home
  • Contact Us / Report Error
  • Disclaimer

Single Phase Induction Motors

A hysteresis motor works on the principle of__________?

August 11, 2021October 3, 2018 by admin
A hysteresis motor works on the principle of__________?

A. hysteresis loss
B. magnetisation of rotor
C. eddy current loss
D. electromagnetic induction

Categories Single Phase Induction Motors

Which of the following motor will give the highest starting torque ?

August 11, 2021October 3, 2018 by admin
Which of the following motor will give the highest starting torque ?

A. D.C. shunt motor
B. Schrage motor
C. Repulsion start and induction run motor
D. Universal motor

Categories Single Phase Induction Motors

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

August 11, 2021October 3, 2018 by admin
The power factor of a single-phase induction motor is usually?

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

Categories Single Phase Induction Motors

A shaded pole motor can be used for_____________?

August 11, 2021October 3, 2018 by admin
A shaded pole motor can be used for_____________?

A. toys
B. hair dryers
C. circulators
D. any of the above

Categories Single Phase Induction Motors

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

August 11, 2021October 3, 2018 by admin
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

Categories Single Phase Induction Motors

Short-circuiter is used in_____________?

August 11, 2021October 3, 2018 by admin
Short-circuiter is used in_____________?

A. repulsion induction motor
B. repulsion motor
C. repulsion start induction run motor
D. none of the above

Categories Single Phase Induction Motors

The range of efficiency for shaded pole motors is______________?

August 11, 2021October 3, 2018 by admin
The range of efficiency for shaded pole motors is______________?

A. 95% to 99%
B. 80% to 90%
C. 50% to 75%
D. 5% to 35%

Categories Single Phase Induction Motors

Burning out of winding is due to___________?

August 11, 2021October 3, 2018 by admin
Burning out of winding is due to___________?

A. short circuited capacitor
B. capacitor value hiving changed
C. open circuiting of capacitor
D. none of the above

Categories Single Phase Induction Motors

Direction of rotation of a split phase motor can be reversed by reversing the connection of__________?

August 11, 2021October 3, 2018 by admin
Direction of rotation of a split phase motor can be reversed by reversing the connection of__________?

A. running winding only
B. starting winding only
C. either A. or (b)
D. both A. and (b)

Categories Single Phase Induction Motors

Which of the following motors is inherently self starting ?

August 11, 2021October 3, 2018 by admin
Which of the following motors is inherently self starting ?

A. Split motor
B. Shaded-pole motor
C. Reluctance motor
D. None of these

Categories Single Phase Induction Motors
Older posts
Newer posts
← Previous Page1 … Page8 Page9 Page10 Page11 Next →
© 2025 AnsweringExams.Com • Built with GeneratePress