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Polyphase Induction Motors MCQ Test

  1. In polyphase induction motors, the stator contains multiple distinct windings per motor pole driven by corresponding time-shifted sine waves.
  2. The frame of an induction motor is usually made of ___.
  3. The shaft of an induction motor is made of ___.
  4. A double squirrel-cage induction motor has __.
  5. Is the starting torque of a squirrel-cage induction motor is Low?
  6. Which material is used to made Slip ring of an induction motor?
  7. The shaft of an induction motor must be of __.
  8. Which is of the following data is required to draw the circle diagram for an induction motor?
  9. Which of the following component is usually fabricated out of silicon steel?
  10. Rotor rheostat control method of speed control is used for __.
  11. Which of the following is associated with the term cogging?
  12. Maximum running torque occurs when ___.
  13. In which of the following reason induction motor operation is stable?
  14. An induction motor is analogous to
Last Updated: Mar 30, 2022,
Posted in Interview Questions,
20 Questions
Polyphase Induction Motors MCQ

Take Polyphase Induction Motors MCQ Test & Online Quiz to test your Knowledge

Below is the Polyphase Induction Motors MCQ test that checks your basic knowledge of Polyphase Induction Motors. This Polyphase Induction Motors MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. apart from this you can also download here Polyphase Induction Motors MCQ PDF completly free.

  • True
  • False
  • Silicon steel
  • Cast iron
  • Aluminum
  • Bronze
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  • Stainless steel
  • Carbon steel
  • Cast iron
  • Aluminum
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  • two series winding in stator
  • two parallel windings in stator
  • two parallel winding in Rotor
  • two rotors moving in opposite direction
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  • Phosphorus Bronze
  • Aluminum
  • Copper
  • Carbon
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  • solid
  • hollow
  • flexible
  • None of the above
  • Block rotor test only
  • No load test only
  • Block rotor test and no-load test
  • Block rotor test, no-load test and stator resistance test
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  • Squirrel-cage induction motors only
  • Slip ring induction motors only
  • Both (A) and (B)
  • None of the above
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  • Three-phase transformer
  • Compound Generator
  • Induction motor
  • D.C series motor
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  • S = R/X or R = S ∗ X
  • S = RX or R = S/.X
  • S = R2/X
  • None of the above
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  • Low Slip region
  • High slip region
  • equally region
  • None of the above
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  • Two windings transformer with secondary short circuited
  • Auto-transformer
  • Two windings transformer with secondary open circuited
  • Synchronous motor
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  • Leakage impedance
  • Copper loss
  • Both A and B
  • None of the above
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  • Parabola
  • Hyperbola
  • Rectangular parabola
  • Straight line
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  • maximum torque
  • maximum reduction of inrush current
  • variable tapping
  • All of the mentioned
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  • squirrel cage induction motors exhibit a tendency to run at very slow speeds
  • squirrel cage induction motors exhibit a tendency to run at very fast speeds
  • squirrel cage induction motors exhibit a tendency to run at equal speeds
  • None of the above
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  • Graphite
  • lithium-based grease
  • Silicon
  • None of the above
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