Correct use of ‘factor of safety’ is very important in equipment d – McqOptions

MCQOPTIONS

1.	Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________?
A.	Ultimate stress to breaking stress
B.	Ultimate stress to working stress
C.	Working stress to ultimate stress
D.	None of these
Answer» C. Working stress to ultimate stress

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