Question
A tensile rod of 40kN is acting on a rod of diameter 40mm and of length 4m. a bore of diameter 20mm is made centrally on the rod. To what length the rod should be bored so that the total extension will increase 30% under the same tensile load if E = 2×10⁵ N/mm²?
Answer: Option D
Answer: (d).3.6m
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Answer: (d).3.6m
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