Answer :
Final answer:
The appropriate pressure for supplying water to automatic sprinkler systems is typically around 150 psi. This pressure ensures effective operation without causing damage to the system. Therefore, option B is the best choice.
Explanation:
Pressure Requirements for Automatic Sprinkler Systems
In an automatic sprinkler system, it is crucial to supply water at the correct pressure to ensure adequate coverage and response in case of fire. The options provided indicate pressure values measured in psi (pounds per square inch), which is a common measurement for pressure in sprinkler systems.
To determine the appropriate pressure to provide, it is essential to consider both the vertical height of the system and the flow rate required. Generally, pressure needs to account for both the static head pressure from the height of the building and the pressure needed to achieve the desired flow rate.
Given the options:
- A. 200 psi
- B. 150 psi
- C. 250 psi
- D. 100 psi
For most standard systems that service residential or commercial buildings, a common operating pressure at the fire department connections is typically around 150 psi, which allows sufficient pressure without risking damage to system components. This aligns best with option B.
In conclusion, to ensure a reliable water supply in automatic sprinkler systems, it is advisable to start with a pressure of 150 psi
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