A screw is said to be over hauling screw, if its efficiency is
Options
A. less than 50%
B. more than 50%
C. equal to 50%
D. none of these
Correct Answer
more than 50%
Machine Design problems
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1. Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.
5. Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that