Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 3 (Q.No. 21)
21.
At a certain point in a structural member, there are perpendicular stresses 80 N/mm2 and 20 N/mm2, both tensile. What is the equivalent stress in simple tension, according to the maximum principal strain theory ? (Poisson's ratio = 0.25)
zero
20 N/mm2
60 N/mm2
75 N/mm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Gulshan rizvana said:   7 years ago
Since stress are 80 and 20.
So as per principal strain theory.
80-0.25X20.
= 75.

Navi said:   8 years ago
Here, 80-(0.25x20).

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