0 votes
124 views
asked in md by (215k points)
The maximum efficiency of self locking screw is                                        

(a) 50%                (b) 70%

(c) 75%                (d) 80%

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

...