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Tensile strength of steel used in rails should NOT be less than:
1. 850 Mpa
2. 700 Mpa
3. 500 Mpa
4. 450 Mpa

1 Answer

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Best answer
Correct Answer - Option 2 : 700 Mpa

Explanation

Important tests for rails

a) Falling height test

b) Tensile test

c) Hammer test

Tensile Test

A test specimen is taken from the head of the rail section and subjected to the tensile test. The tensile strength of the rail should not be less than 72 kg/mm2 = 706.32 N/mm2 = 706 MPa, with a minimum elongation of 14% for medium manganese rails and 12 % for carbon quality rails.

So the closest option is (b)

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