engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Design of Machine Elements Power Screws
Which of the following statements is true?
A. Efficiency of screw depends upon lead of the screw.
B. Efficiency of the screw depends upon helix angle but does not depend on friction
angle.1
Only A
2
Only B
3
Both A and B
4
None of these