Moderate

The efficiency of an induction motor can be expected to be nearly____________?

Correct answer: B. 80 to 90%

  • A. 60 to 90%
  • B. 80 to 90%
  • C. 95 to 98%
  • D. 99%

Explanation

A practical induction motor commonly achieves about 80% to 90% efficiency, depending on its rating and load. The 95% to 98% range is possible for some large, premium motors but is not the usual general value.

Last updated

Practise Electrical Machines

1,061 free Electrical Machines MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Electrical Engineering questions like this

Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions