Rotor rheostat control method of speed control is used for________?
Correct answer
D. slip ring induction motors only
Explanation
The correct answer is slip ring induction motors only.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. slip ring induction motors only
Explanation
The correct answer is slip ring induction motors only.
Correct answer
D. grease
Explanation
The correct answer is grease.
Correct answer
A. all of the above
Explanation
The correct answer is all of the above.
Correct answer
D. high value.
Explanation
The correct answer is high value..
Correct answer
B. Both A. and B.
Explanation
The correct answer is Both A. and B..
Correct answer
B. slightly more than unity
Explanation
The correct answer is slightly more than unity.
Correct answer
C. both resistance and inductance carry equal currents
Explanation
The correct answer is both resistance and inductance carry equal currents.
Correct answer
B. all of the above
Explanation
The correct answer is all of the above.
Correct answer
D. zero
Explanation
The correct answer is zero.
Correct answer
B. From the centre of split capacitors
Explanation
The correct answer is From the centre of split capacitors.