Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 3 (Q.No. 44)
44.
A vertical rod PQ of length L is fixed at its top end P and has a flange fixed to the bottom end Q. A weight W is dropped vertically from a height h(< L) on to the flange. The axial stress in the rod can be reduced by
increasing the length of the rod
decreasing the length of the rod
decreasing the area of cross-section of the rod
increasing the modulus of elasticity of the material
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Jay said:   5 years ago
Stress is propotional to strain and (strain=PL/AE) thus reduction in length will decrease strain which will reduce stress.

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