Sprinkler heads used in computer rooms activate at what temperature?

Question

Options

• A57 °C (135 °F)
• B27 °C (81 °F)
• C70 C (158 °F)
• DOnly on direct contact with a flame

• A
  93% (52)
• B
  4% (2)
• C
  2% (1)
• D
  2% (1)

Explanation

Sprinkler heads used in computer rooms activate at 57 °C (135 °F), which is the standard temperature rating for ordinary sprinklers. This is the temperature at which the heat-sensitive element of the sprinkler head, such as a glass bulb or a fusible link, breaks or melts, allowing water to flow from the sprinkler. Sprinkler heads are designed to activate only when exposed to a fire, not to ambient temperature fluctuations. Therefore, sprinkler heads should be installed at a sufficient distance from the heat sources, such as servers, racks, or ducts, to avoid accidental activation. Sprinkler heads should also be selected and installed in accordance with the relevant standards and codes, such as NFPA 13 and NFPA 75.

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