Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. (A) Ultimate (B) Yield point (C) Proof (D) None of these

Non-ferrous metals and hard steels do not exhibit a definite yield point,
when pulled in the testing machine and hence for these cases, a better
measure of their elastic properties is defined by the __________ stress.
(A) Ultimate
(B) Yield point
(C) Proof
(D) None of these
by

1 Answer

Answer :

(C) Proof
by

Related questions

Stress strain curve of high tensile steel (A) Has a definite yield point (B) Does not show definite yield point but yield point is defined by 0.1% proof stress (C) Does not show definite yield point but yield point is defined by 0.2% proof stress (D) Does not show definite yield point but yield point is defined by 2% proof stress,

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Last Answer : Answer: Option C

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Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress. (A) Working (B) Bearing (C) Yield (D) None of these

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Factor of safety for fatigue loading is the ratio of (a) elastic limit to the working stress (b) Young's modulus to the ultimate tensile strength (c) endurance limit to the working stress (d) elastic limit to the yield point

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Consider the following salient points in a stress-strain curve of a mild steel bar: 1. Yield point 2. Braking point 3. Yield plateau 4 . Proportionality limit 5. Ultimate point The correct sequence in which they occur while testing the mild steel bar in tension from initial zero strain to failure is (a) 4, 1, 2, 3 and 5 (b) 1, 4, 3, 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5

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Theories of elastic failure while dealing with brittle materials consider the failure criterion as (a) Ultimate stress (b) Yield stress (c) Both ultimate and yield stress (d) None

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