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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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by Abel at Jun 22, 2026, 03:00 AM

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Venita
2 days ago
I think D is right, humidity plays a big role too.
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Dorinda
7 days ago
Totally agree, higher temps mean more gas needed!
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Keneth
12 days ago
A) The amount of gas required will be higher.
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Levi
17 days ago
I’m confused about the humidity part. Does that really affect how much gas we need? I thought it was just temperature.
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Valda
23 days ago
This question seems similar to one we practiced where temperature changes impacted gas density. I think it could be A or D.
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Merrilee
28 days ago
I’m not entirely sure, but I feel like we discussed how halocarbon agents are affected by temperature in class.
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Elouise
1 month ago
I remember something about gas behavior changing with temperature, so I think the amount of gas might increase.
upvoted 0 times
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