Exin CDCP Exam - Topic 1 Question 11 Discussion

Actual exam question for Exin's CDCP exam

Question #: 11
Topic #: 1

[All CDCP Questions]

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

APhotoelectric detector

BVESDA/HSSD

Clonization detector

DSprinkler bulbs

Show Suggested Answer

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 Lorriane at May 01, 2024, 10:15 AM

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Ariel

3 months ago

I’ve heard B is the fastest, but I’m not sure.

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Venita

3 months ago

Wait, are sprinkler bulbs really that slow?

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Daniel

3 months ago

A is good, but B is the best for early detection.

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Becky

4 months ago

I think C, ionization detectors are quicker.

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Xochitl

4 months ago

Definitely B, VESDA/HSSD is super fast!

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Reyes

4 months ago

I practiced a question similar to this, and I think it was about VESDA being the best for early detection, but I’m not 100% certain.

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Brandon

4 months ago

I feel like ionization detectors are often mentioned as being faster than photoelectric ones, but I could be mixing that up with another topic.

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Raymon

4 months ago

I remember studying that photoelectric detectors are good for smoldering fires, but I’m not confident they’re the quickest.

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Meghann

5 months ago

I think the VESDA/HSSD is supposed to be really fast at detecting smoke, but I’m not entirely sure if it’s the fastest overall.

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Jamal

5 months ago

Ah, I remember learning about this in class. I believe the ionization detector is generally the fastest at smoke detection, but I'll verify that before answering.

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Kristofer

5 months ago

The key here is to understand the underlying technology of each sensor type and how that impacts their smoke detection speed. I'll review my notes to refresh my memory.

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Raul

5 months ago

Hmm, I'm a bit unsure about this one. I know the different smoke detectors have varying response times, but I can't recall the specifics off the top of my head.

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Long

5 months ago

I'm pretty sure the VESDA/HSSD option is the fastest at detecting smoke, but I'll double-check the differences between the sensor types to be sure.

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Alishia

5 months ago

I'm pretty confident that the answer is option D, "weekly sales (3.99, 10)". The search string is using literal values for the Price and AmountSold variables, so the option that matches that format should be the right one.

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Larae

5 months ago

Okay, I think I've got a handle on this. The key is to focus on obtaining formal evidence in a written format, as the question states. I'll go with the option that best aligns with that objective.

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Dewitt

5 months ago

All of the options sound like they could be valid 5G access methods. I'll need to review my notes to make sure I understand the differences between them before selecting an answer.

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Dawne

5 months ago

Utility service, for sure. The question is clearly asking about the most challenging type of service to design, and that matches the description provided.

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