Discussion :: GATE Exam Questions
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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
A.
increasing the length of the rod
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B.
decreasing the length of the rod
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C.
decreasing the area of cross-section of the rod
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D.
increasing the modulus of elasticity of the material
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