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Strength of Mat...

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  • Question 1
    1 / -0

    A tensile test was conducted on a mild steel bar. The following data was obtained from the test:

    (i) The diameter of the steel bar: 2 cm

    (ii) The gauge length of the bar: 20 cm

    (iii) Load of elastic limit: 200 kN

    (iv) Extension at a load of 150 kN: 0.2 mm

    (v) Maximum load: 400 kN

    (vi) Total extension: 60 mm

    (vii) The diameter of the rod at failure: 1.2 cm

    Calculate the stress at the elastic limit (MPa)

  • Question 2
    1 / -0

    A steel rod of 50 mm diameter is 4m long. In a test, a pull of 80 kN is suddenly applied to it. Take E = 200 GPa. Elongation due to suddenly applied load is _____mm.

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