The factor of safety for brittle materials (having elongation < 5%) is

1.	The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.
A.	yield
B.	proof
C.	ultimate
D.	none of these
Answer» D. none of these

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The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.

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