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Study 99 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. Changing the number of poles
Explanation
The correct answer is Changing the number of poles.
Correct answer
C. The rotor will not run
Explanation
The correct answer is The rotor will not run.
Correct answer
C. 730 r.p.m.
Explanation
The correct answer is 730 r.p.m..
Correct answer
D. slip times the stand still e.m.f. induced in the rotor
Explanation
The correct answer is slip times the stand still e.m.f. induced in the rotor.
Correct answer
A. phosphor bronze
Explanation
The correct answer is phosphor bronze.
Correct answer
B. D.C. shunt motor
Explanation
The correct answer is D.C. shunt motor.
Correct answer
A. all above methods
Explanation
The correct answer is all above methods.
Correct answer
A. Block rotor test, no-load test and stator resistance test
Explanation
The correct answer is Block rotor test, no-load test and stator resistance test.
Correct answer
B. two parallel windings in rotor
Explanation
The correct answer is two parallel windings in rotor.
Correct answer
D. self-starting with low torque
Explanation
The correct answer is self-starting with low torque.