Civil Engineering MCQJE Level Civil Engineering
A steel bar of cross-section 500 mm² carries an axial tensile load of 100 kN. The tensile stress developed is:
Strength of MaterialsStrength of MaterialsEASY
Choose the correct answer
A
100 MPa
B
200 MPa
C
400 MPa
D
50 MPa
Correct Answer
B. 200 MPa
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Direct stress σ = P/A = 100,000 N / 500 mm² = 200 N/mm² (MPa). This is the simplest stress formula and the starting point of all structural analysis. Stress is force per unit area.
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