Polyphase Induction Motors – Page 2 – HI MCQ!

It is advisable to avoid line starting of induction motor and use starter because?

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The torque developed by a 3-phase induction motor least depends on?

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If s is the slip and f is the supply frequency, the frequency of rotor current is given by?

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In an induction motor the relationship between stator slots and rotor slots is that?

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In medium sized induction motors, the slip is generally around?

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Which motor is preferred for use in mines where explosive gases exist?

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Step less speed control of induction motor is possible by which of the following methods?

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If the rotor circuit of a squirrel cage induction motor is open, the rotor will?

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In case of 3-phase induction motors, plugging means?

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Which of the following component is usually fabricated out of silicon steel?

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