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

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Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part1 : 11 to 15

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

11.In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to

improve power factor
increase overload capacity
reduce fluctuations in torque
to improve torque

12.In a shaded pole single-phase motor, the revolving field is produced by the use of

inductor
capacitor
resistor
shading coils

13.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)

14.The direction of rotation of an hysteresis motor is determined by

interchanging the supply leads
position of shaded pole with respect to main pole
retentivity of the rotor material
none of these

15.In a split phase motor

the starting winding is connected through a centrifugal switch
the running winding is connected through a centrifugal switch
both starting and running windings are connected through a centrifugal switch
centrifugal switch is used to control supply voltage

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

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