Electrical Engineering Questions And Answers :: Single Phase Induction Motors: part1

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Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.In capacitor start single-phase motors

current in the starting winding leads the voltage
current in the starting winding lags the voltage
current in the starting winding is in phase with voltage in running winding
none of the above

2.If the capacitor of a single-phase motor is short-circuited

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

3.Which of the following motors is used in mixies ?

Repulsion motor
Reluctance motor
Hysteresis motor
Universal motor

4.The value of starting capacitor of a fractional horse power motor will be

100 uF
00 uF
300 uF
400 uF

5.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

More Single Phase Induction Motors QUESTIONS AND ANSWERS available in next pages

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