Civil Engineering MCQJE Level Civil Engineering
Two beams, one of circular cross-section and the other of square cross-section, have equal cross-sectional area. When subjected to bending,
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
both beams are equally economical
B
the square beam is more economical
C
the circular beam is more economical
D
None of the above
Correct Answer
B. the square beam is more economical
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
For equal area, the square section has a larger section modulus, so it is more economical in bending.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to WBPSC JE (Civil) Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.