Civil Engineering MCQJE Level Civil Engineering
Measurement case: The second moment of area of a rectangular section 250 mm x 400 mm about its centroidal horizontal axis is:
Structural AnalysisMechanics, Strength of Materials and Structural AnalysisHARD
Choose the correct answer
A
1.33e+09 mm⁴
B
5.21e+08 mm⁴
C
6.67e+06 mm⁴
D
8.33e+03 mm⁴
Correct Answer
A. 1.33e+09 mm⁴
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For a rectangle about centroidal horizontal axis, I = b h^3 / 12.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.