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Electrical Machines
If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to?
940 rpm
950 rpm
975 rpm
1000 rpm
940 rpm
950 rpm
975 rpm
1000 rpm
Answer
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The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip
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None of these
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Answer
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Electrical Machines
In applied voltage is reduced in a dc shunt motor
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None of these.
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Commonly used starters of cage motor is
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Greater than 90o.
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