Civil Engineering MCQAE Level Civil Engineering
A beam carries a UDL w kN/m over its whole length of 8 m, with overhangs of 2 m on each side (4 m between supports). The bending moment (kNm) at the centre is
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
2w (sagging)
B
w (sagging)
C
zero
D
w (hogging)
Correct Answer
C. zero
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Midspan BM = (w/8)(l² − 4a²) = (w/8)(4² − 4·2²) = (w/8)(16−16) = 0.
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.