UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

A mild steel bar is in three parts, each 20 cm long. The diameters of parts AB, BC and CD are 2 cm, 1 cm and 3 cm respectively.

The bar is subjected to an axial pull of 4t as shown in the given figure. If E = 2 x 106 kg/cm² and the elongations in the three parts of the bar are Δ₁, Δ₂ and Δ₃ respectively, then the ratio of the greatest to the least of these elongations will be