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

Exam2win > Engineering > Electrical Engineering > Single Phase Induction Motors > part1



Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.In repulsion motor direction of rotation of motor

is opposite to that of brush shift
is the same as that of brush shift
is independent of brush shift
is the same as that of brush shift

7.Which of the following motor will have relatively higher power factor ?

Capacitor run motor
Shaded pole motor
Capacitor start motor
Split phase motor

8.Burning out of windings is due to

short circuited capacitor
capacitor value hiving changed
open circuiting of capacitor
none of the above

9.The range of efficiency for shaded pole motors is

95% to 99%
80% to 90%
50% to 75%
5% to 35%

10.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

start and then stop
start and run slowly
start and run at rated speed
not start at all

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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Trust because you are willing to accept the risk, not because it’s safe or certain