0 votes
140 views
asked in im&or by (215k points)
If the speed of the engine varies between 390 and 410 rpm in a cycle of operation, the coefficient of fluctuation of speed will be                           

(a) 0.01                           (b) 0.02

(c) 0.04                           (d) 0.05

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.3k users

...