The efficiency of an induction motor can be expected to be nearly________?
A60 to 90%
B80 to 90%
C99%
D95 to 98%
Correct answer
B. 80 to 90%
Explanation
The correct answer is 80 to 90%.
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Study 99 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
B. 80 to 90%
Explanation
The correct answer is 80 to 90%.
Correct answer
C. low
Explanation
The correct answer is low.
Correct answer
B. high inductance arid low resistance
Explanation
The correct answer is high inductance arid low resistance.
Correct answer
D. 16% in the rotor torque
Explanation
The correct answer is 16% in the rotor torque.
Correct answer
B. shaft diameter
Explanation
The correct answer is shaft diameter.
Correct answer
D. external resistance to the rotor
Explanation
The correct answer is external resistance to the rotor.
Correct answer
D. A. and B. both
Explanation
The correct answer is A. and B. both.
Correct answer
B. K2 x torque with direct switching
Explanation
The correct answer is K2 x torque with direct switching.
Correct answer
B. copper losses in motor
Explanation
The correct answer is copper losses in motor.
Correct answer
C. wound rotor
Explanation
The correct answer is wound rotor.