Civil Engineering MCQAE Level Civil Engineering
A rod of length 2 m, cross-section 1000 mm², E = 200 GPa extends by 1.0 mm under axial load. The tensile load is:
Strength of MaterialsAxial Load from ExtensionMEDIUM
Choose the correct answer
A
50 kN
B
100 kN
C
150 kN
D
200 kN
Correct Answer
B. 100 kN
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ε = 1.0/2000 = 5×10⁻⁴; σ = 200,000×5×10⁻⁴ = 100 N/mm²; P = 100×1000 = 100,000 N = 100 kN
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