+1 vote
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Which grade of concrete is used in Reinforced concrete pipes?

(a) M10

(b) M15

(c) M20

(d) M25

This question was addressed to me in an interview for internship.

I'm obligated to ask this question of Types of Pipes topic in chapter Conveyance and Distribution of Water of Environmental Engineering

1 Answer

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Best answer
Correct option is (d) M25

Best explanation: M20 grade of concrete is used for making Reinforced concrete pipes with longitudinal reinforcement equal to at least 0.25% of cross sectional area of concrete.

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