1.

A steel I-beam section is subjected to a bending moment of 96 kN-m. The moment of inertia of the beam section is 24,000 cm4. The bending stress at 100 mm above the neutral axis of the beam in MPa will be ____________

A. 40 : 40
B. 30 : 30
C. 20 : 20
D. 10 : 10
Answer» B. 30 : 30


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