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THREE PHASE INDUCTION MOTORS QUIZ

DOL starting of induction motors is usually restricted to

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The no load speed of an induction motor depends on

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A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______

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Friction and windage loss of a 3 phase induction motor are

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In the circle diagram for induction motor, the diameter of the circle represents

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The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current.

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Less maintenance troubles are experienced in case of

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If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______

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5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest?

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The condition of induction motor on load resemble those of a transformer whose secondady is _______

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