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Question 104 - CISA discussion

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The PRIMARY benefit lo using a dry-pipe fire-suppression system rather than a wet-pipe system is that a dry-pipe system:

A.
is more effective at suppressing flames.
Answers
A.
is more effective at suppressing flames.
B.
allows more time to abort release of the suppressant.
Answers
B.
allows more time to abort release of the suppressant.
C.
has a decreased risk of leakage.
Answers
C.
has a decreased risk of leakage.
D.
disperses dry chemical suppressants exclusively.
Answers
D.
disperses dry chemical suppressants exclusively.
Suggested answer: C

Explanation:

The primary benefit of using a dry-pipe fire-suppression system rather than a wet-pipe system is that a dry-pipe system has a decreased risk of leakage, as the pipes are filled with pressurized air or nitrogen instead of water until the system is activated. A wet-pipe system has a higher risk of leakage, corrosion, and freezing. A dry-pipe system is not more effective at suppressing flames, as it uses the same water-based suppressant as a wet-pipe system. A dry-pipe system does not allow more time to abort release of the suppressant, as it has a delay of only a few seconds before the water is released. A dry-pipe system does not disperse dry chemical suppressants exclusively, as it uses water as the primary suppressant.Reference:CISA Review Manual (Digital Version), Chapter 5, Section 5.2.3

asked 18/09/2024
Anthony Agbale
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