What is the factor of safety?

1.	What is the factor of safety?
A.	The ratio of total stress to the permissible stress
B.	The ratio of ultimate stress to the permissible stress
C.	The ratio of ultimate stress to the applied stress
D.	The ratio of ultimate stress to the modulus of elasticity
Answer» C. The ratio of ultimate stress to the applied stress

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What is the factor of safety?

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