Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 15)
15.
A simply supported beam of span L carries a concentrated load W at its mid-span. If the width 'b' of the beam is constant throughout the span, then, when the permissible bending stress is 'f', the beam's mid-span depth will be
3WL/2bf
3WL/2bf
6WL/bf
6WL/bf
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Arul raj said:   8 years ago
Ans b.

M= f * z.

wl/4=f*bd^2/6.
Then d =root of (3wl/2bf).

Rohit jaggi said:   8 years ago
Answer B is Correct for Varying Width, Here for constant width A is right.

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