Which of the following motors has series characteristics?
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Which part of a motor needs maximum attention for maintenance?
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A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is
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________ has the least value of starting torque to full load torque ratio.
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The starting torque in case of centrifugal pumps is generally
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For a D.C. shunt motor which of the following is incorrect?
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Which of the following happens when star-delta starter is used?
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__________ method of starting a three phase induction motor needs six terminals.
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In a paper mill where constant speed is required
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Is preferred for synthetic fibre mills.
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While selecting motor for an air conditioner which of the following characteristics is of great importance?
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Besides a constant speed a synchronous rotor possesses which of the following advantages?
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__________ motor is a constant speed motor.
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Is preferred for automatic drives.
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In ________ the speed can be varied by changing the position of brushes.
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Which of the following motors are best for the rolling mills?
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In which of the following applications variable speed operation is preferred?
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Which of the following motors is usually preferred for kiln drives?
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For crane travel which of the following motors is normally used?
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For a motor-generator set which of the following motors will be preferred?
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