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Exin CDCS Exam - Topic 3 Question 31 Discussion

The temperature in the computer room is increased from 18 C (64 F) to 27 C (81 F). What is the impact on the amount of gas required to suppress a fire assuming a halocarbon agent?
A) The amount of gas required will be higher
B) The amount of gas required will not change
C) The amount of gas required will be less
D) The change cannot be determined without knowing the change in humidity as well

Exin CDCS Exam - Topic 3 Question 31 Discussion

Actual exam question for Exin's CDCS exam
Question #: 31
Topic #: 3
[All CDCS Questions]

The temperature in the computer room is increased from 18 C (64 F) to 27 C (81 F). What is the impact on the amount of gas required to suppress a fire assuming a halocarbon agent?

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Suggested Answer: A

Design concentrations for halocarbons (e.g., FM-200/HFC-227ea, Novec 1230) increase with ambient temperature; higher temperature higher minimum extinguishing concentration more agent mass.


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