CDCP · Question #24
CDCP Question #24: Real Exam Question with Answer & Explanation
The correct answer is D. Pressure relief valves are required in the room that needs protection.. A design consideration that should be implemented with an Inergen-based fire suppression system is to install pressure relief valves in the room that needs protection. Inergen is a clean agent fire suppression system that uses a mixture of inert gases (nitrogen, argon, and carbon
Question
Options
- AInstall protective covers around the nozzles to avoid accidental gas dumps.
- BInstall the gas containers (tanks) close to the data centre.
- CTo use Inergen only for fires which are not related to electrical power.
- DPressure relief valves are required in the room that needs protection.
Explanation
A design consideration that should be implemented with an Inergen-based fire suppression system is to install pressure relief valves in the room that needs protection. Inergen is a clean agent fire suppression system that uses a mixture of inert gases (nitrogen, argon, and carbon dioxide) to displace the oxygen in the room and extinguish the fire. However, when Inergen is released into the room, it creates a sudden increase in pressure, which can damage the walls, doors, windows, and ceilings of the room. To prevent this, pressure relief valves are required to vent the excess pressure to the outside and maintain a safe pressure level inside the room. Pressure relief valves should be designed and installed in accordance with the relevant standards and codes, such as NFPA 2001 and ISO 14520.
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