Factor of safety is the ratio of - Basic mechanical Engineering
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Q. Factor of safety is the ratio of
(A) working stress and ultimate strength
(B) ultimate stress to working stress
(C) ultimate strength and yield strength
(D) yield strength and working stress
Answer: ultimate stress to working stress
Explanation: Factors of safety (FoS), also known as (and used interchangeably with) safety factor (SF), is a term describing the load carrying capacity of a system beyond the expected or actual loads. Essentially, the factor of safety is how much stronger the system is than it usually needs to be for an intended load.
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