A minimum water supply must deliver the required volume of water to the highest sprinkler in the building at a residual pressure of:

a. 10 psi (69 kPa).
b. 20 psi (138 kPa).
c. 15 psi (105 kPa).
d. 25 psi (173 kPa).


Answer: c. 15 psi (105 kPa).

Health Professions

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