Electrical Engineering Questions And Answers :: Single Phase Induction Motors: part3



Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part3 : 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, maximum torque is developed when

brush axis is at 45� electrical to the field axis
brush axis coincides with the field axis
brush axis is at 90� electrical to the field axis
none of the above

7.In a hysteresis motor, the rotor must have

retentivity
resistivity
susceptibility
none of the above

8.The motor used for the compressors is

d.c. series motor
shaded pole motor
capacitor-start capacitor-run motor
reluctance motor

9.The direction of rotation of universal motor can be reversed the by reversing the flow of current through

armature winding
field winding
either armature winding or field winding
none of the above

10.A reluctance motor

is self-starting
is constant speed motor
needs no D.C. excitation
all of the above

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

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