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Strength of Materials

Tensile Test of Mild Steel

Assertion A: ...

Question

Assertion (A): A mild steel tension specimen subjected to an axial load fails along a surface at 45° to its axis.
Reason (R): Mild steel is weaker in shear than in tension and the place of maximum shear is at 45° to its axis

A

Option A

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Option B

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C

Option B

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D

Option C

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Solution

The correct option is A Option A
Mild steel is equally strong in tension and compression but it is weak in shear. Therefore cup and cone type failure of mild steel specimen occurs during tension test.

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