Question

_________ valve allows water to flow in one direction only.

(a) Air relief valve

(b) Sluice valve

(c) Reflux valve

(d) Altitude valve

I have been asked this question in an online quiz.

I want to ask this question from Types of Valves topic in division Conveyance and Distribution of Water of Environmental Engineering

Answer 1

Right option is (c) Reflux valve

To explain: Reflux valves are an automatic device that allows water to flow in one direction only and avoids the back flow of water or prevents the damage of the pump.