Check valves are used Options: A . &nbspat high pressure. B . &nbspin bends. C . &nbspfor controlling water flow. D . &nbspfor unidirectional flow.

Check valves are used

Question

Check valves are used

Options:

A . at high pressure.

B . in bends.

C . for controlling water flow.

D . for unidirectional flow.

Answer: Option D
Answer: (d).for unidirectional flow.

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