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Exin Exam CDCP Topic 1 Question 7 Discussion

Actual exam question for Exin's CDCP exam
Question #: 7
Topic #: 1
[All CDCP Questions]

From the list below, which sensor detects smoke the fastest?

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Suggested Answer: B

VESDA (Very Early Smoke Detection Apparatus) or HSSD (High Sensitivity Smoke Detection) systems are the fastest smoke sensors among the options listed. These systems use a network of pipes to draw air samples from the protected area and analyze them using a laser-based detection chamber. VESDA/HSSD systems can detect smoke at very low concentrations, typically in the range of 0.005 to 20 percent obscuration per meter. This means they can provide early warning of a fire before it becomes visible or spreads. VESDA/HSSD systems are ideal for data centers and other critical facilities that require high levels of fire protection and minimal downtime.


by Matthew at Mar 08, 2024, 03:16 AM

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Lynelle
4 months ago
I read that ionization detectors are more sensitive to fast-flaming fires, which is why I believe it's the fastest.
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Kristel
5 months ago
But why do you think that, Lynelle?
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Lynelle
5 months ago
I personally think ionization detector is the fastest.
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Billye
5 months ago
I disagree, I believe VESDA/HSSD detects smoke the fastest.
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Kristel
5 months ago
I think the Photoelectric detector detects smoke the fastest.
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Jennifer
5 months ago
I've heard that sprinkler bulbs are the quickest to detect smoke, especially in high heat situations.
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Dorcas
6 months ago
Actually, I've read that the ionization detector is the fastest in detecting smoke.
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Pilar
6 months ago
I disagree, I believe the VESDA/HSSD detects smoke the fastest.
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Salina
6 months ago
I think the fastest smoke detector is the Photoelectric detector.
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