Civil Engineering MCQJE Level Civil Engineering
A 20 mm diameter steel bar carries an axial tensile load of 60 kN. The direct stress is nearest to:
Strength of MaterialsStrength of MaterialsHARD
Choose the correct answer
A
382 MPa
B
477 MPa
C
191 MPa
D
95.5 MPa
Correct Answer
C. 191 MPa
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Area = pi d^2/4 = 314 mm2. Stress = 60000/314 = about 191 MPa.
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