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Which of the following pipe material has a maximum modulus of elasticity?

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+1 vote
in Environmental Engineering by (81.4k points)
Which of the following pipe material has a maximum modulus of elasticity?

(a) Concrete

(b) Mild steel

(c) Cast iron

(d) PVC

I had been asked this question in exam.

This intriguing question originated from Service Connection in section Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

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Best answer
Correct answer is (b) Mild steel

Easiest explanation: Mild steel has the maximum modulus of elasticity with a magnitude of 2.1 *10^10. The modulus of elasticity of concrete, cast iron and PVC are 2.8*10^9, 7.5*10^9 and 3*10^8 respectively.

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