NCIDQ IDFX 2025 – 400 Free Practice Questions to Pass the Exam

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What is a significant disadvantage of rise-of-temperature detectors?

They are expensive to install

They may not activate until flames are present

The significant disadvantage of rise-of-temperature detectors is that they may not activate until flames are present. These types of detectors are designed to respond to a specific increase in temperature rather than the presence of smoke or other early indicators of fire. This means they can potentially delay activation until the fire has already progressed to a more severe stage, making them less effective in early fire detection compared to smoke detectors or other types of fire alarms that respond to smoke or chemical changes indicative of a fire's inception. This delayed response can lead to greater damage, increased danger to occupants, and a higher risk of injury or loss of life, highlighting the importance of using multiple detection methods in fire safety systems.

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They cannot be used in outdoor settings

They do not detect smoke

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