Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 17 (Q.No. 34)
34.
A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.
The centroid of the "Equivalent timber beam" in this case from the tope surface
is 5 mm
is 30 mm
is 15 mm
cannot be predicted
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Arpan jana said:   4 years ago
B is right.

For equivalent timber beam , top of steel beam = 20 * 30=600 mm.
From top Y = (A1Y1+A2Y2)/(A1+A2).
(1)

Priyanka said:   5 years ago
B is right
(1)

Chhaya said:   8 years ago
I think it is on 7.5mm.

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