Pressure relief valves are provided in water mains (A) To reduce the pressure (B) At low points (C) Upstream of sluice (D) All the above

Pressure relief valves are provided in water mains 

(A) To reduce the pressure 

(B) At low points 

(C) Upstream of sluice 

(D) All the above 

by

1 Answer

Answer :

(D) All the above 

by

Related questions

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