Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 11)
11.
The plastic modulus of a section is 5 x 10-4m3. Its shape factor is 1.2 and the plastic moment capacity is 120 kNm. What is the value of the yield stress of the material ?
100 N/mm2
200 N/mm2
240 N/mm2
288 N/mm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
15 comments Page 2 of 2.

Deepthi said:   1 decade ago
Mp = Fy*Z.

120*10^6/5*10^-4 = 240 N/mm^2.

Priya said:   8 years ago
I can't understand Mp, Zp denoted here?

Dipak said:   10 years ago
Fy = Mp/Zp = 240.

Here s.f is silent.

Magdi Khalifa said:   1 decade ago
Where is the effect of shape factor?

V k said:   10 years ago
f(plastic) = f(elastic).


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