Why are zone valves incorporated into a hospital's central gas piping systems?
I.to terminate O₂delivery to an area in case of fire
II.to allow selective maintenance without shutting the system down
III.to allow variable pressure reduction throughout the system

Question

Quizplus · Accepted Answer

Zone valves are used in hospitals to terminate the delivery of gas to a specific area in case of fire and also allow for selective maintenance without shutting down the entire system. Option III is incorrect as zone valves are not used for variable pressure reduction.

Why Are Zone Valves Incorporated into a Hospital's Central Gas