Machine Design - GATE practice papers - Mechanical for Q. 361

Q.  The ratio of critical stress to allowable stress is called as ___________(Marks: 01)
- Published on 19 Oct 15

a. factor of stress
b. factor of strength
c. factor of safety
d. none of the above

ANSWER: factor of safety
 
Factor of safety is the ratio of critical stress (or ultimate stress) to allowable stress (or working stress). Higher the value of factor of safety, lower will be the risk of failure of machine element.

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