Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions
Mail Us support@pass4success.com
Location US
Mob_nav_barsMENU

Exin CDCS Exam - Topic 1 Question 18 Discussion

What is a potential disadvantage of using water mist as a fire extinguishing system?
B) It will rapidly increase the humidity level in the data center, which can cause a potential risk for the operation of the equipment
A) It only uses 10% of the water normally used in a water-based fire suppression, which might not be enough to suppress the fire
C) It extracts oxygen from the air creating a potential risk for humans inside the computer room
D) It has droplets that are too small (100-120 microns) so it can only be used for small fires

Exin CDCS Exam - Topic 1 Question 18 Discussion

Actual exam question for Exin's CDCS exam
Question #: 18
Topic #: 1
[All CDCS Questions]

What is a potential disadvantage of using water mist as a fire extinguishing system?

Show Suggested Answer Hide Answer
Suggested Answer: B

A potential disadvantage of using a water mist fire suppression system is that it can rapidly increase the humidity within the data center, which may pose risks to sensitive electronic equipment. Excessive humidity can lead to condensation, which could damage electronics and lead to short circuits or corrosion over time.

Detailed Explanation:

Water mist systems use fine droplets to suppress fires by cooling and displacing heat. However, the moisture generated may raise the humidity level to the point where it exceeds safe operational limits for IT equipment. Therefore, while water mist systems are effective in fire suppression, they may not be ideal in environments where high humidity could damage sensitive equipment.

EPI Data Center Specialist References:

EPI guidelines advise considering the impact of humidity from fire suppression systems, particularly in environments housing electronic equipment. It's essential to weigh the benefits of fire suppression against potential risks to operational equipment when choosing suppression methods.


by Kirk at Jul 11, 2025, 11:52 AM

Limited Time Offer

25%

Off

Get Premium CDCS Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

0/2000 characters
Submit Cancel
Laurene
9 months ago
Small droplets might not be enough for bigger fires.
upvoted 0 times
...
Gerardo
9 months ago
Wait, it only uses 10% of the water? That seems risky.
upvoted 0 times
...
Staci
9 months ago
Totally agree, that could mess up the equipment!
upvoted 0 times
...
Laurel
9 months ago
Isn't extracting oxygen a bit extreme? Sounds dangerous!
upvoted 0 times
...
Kimberlie
10 months ago
I heard it can increase humidity levels in data centers.
upvoted 0 times
...
Davida
10 months ago
I feel like the humidity issue is a big concern, especially in data centers. I might go with B for that reason.
upvoted 0 times
...
Pansy
10 months ago
I practiced a question about the risks of oxygen displacement with water mist, so I’m leaning towards option C being a disadvantage.
upvoted 0 times
...
Fidelia
10 months ago
I’m not sure, but I think the small droplet size might limit its effectiveness on larger fires.
upvoted 0 times
...
Alison
10 months ago
I remember reading that water mist systems can actually increase humidity, which could be a problem for sensitive equipment.
upvoted 0 times
...
Allene
11 months ago
This is a tricky one. I'm not super familiar with the details of water mist systems, so I'll need to rely on my general fire safety knowledge to reason through the potential issues. I'll start by considering how the reduced water usage and increased humidity could impact the effectiveness and safety of the system.
upvoted 0 times
...
France
11 months ago
Okay, I think I've got this. The key here is to identify the unique characteristics of water mist that could be problematic in certain situations. The oxygen extraction and small droplet size seem like the most likely disadvantages to focus on.
upvoted 0 times
...
Rana
11 months ago
Hmm, I'm a bit unsure about this one. I know water mist systems use less water, but I'm not sure if that's necessarily a disadvantage. The humidity increase could be problematic, but I'll need to think through the potential risks more carefully.
upvoted 0 times
...
An
11 months ago
This seems like a straightforward question about the potential drawbacks of using water mist as a fire extinguishing system. I'll need to carefully consider each option and think about the key differences between water mist and traditional water-based systems.
upvoted 0 times
...
Lucy
1 year ago
I still think option A is the main disadvantage, as not having enough water can be a big issue in case of a fire.
upvoted 0 times
...
Jesusita
1 year ago
I feel like Option B is the way to go. No one wants to deal with a swamp in their data center, am I right?
upvoted 0 times
...
Meaghan
1 year ago
That's a good point, it could also be a potential risk for the equipment operation.
upvoted 0 times
...
Mari
1 year ago
Haha, Option D is just ridiculous. Small droplets? What is this, a fire extinguisher for ants?
upvoted 0 times
Ressie
12 months ago
A) It only uses 10% of the water normally used in a water-based fire suppression, which might not be enough to suppress the fire
upvoted 0 times
...
...
William
1 year ago
But what about the option B, about increasing humidity level in the data center?
upvoted 0 times
...
Rhea
1 year ago
Hmm, I'm leaning towards Option A. If it uses less water, that could be a potential issue for effectively putting out the fire.
upvoted 0 times
...
Vicki
1 year ago
I'm not sure about that. I think Option C might be the better choice. Reducing oxygen levels could create a dangerous situation for people.
upvoted 0 times
Twanna
12 months ago
But Option A mentions that it might not be enough water to suppress the fire.
upvoted 0 times
...
Chan
12 months ago
I think Option C might be the better choice. Reducing oxygen levels could create a dangerous situation for people.
upvoted 0 times
...
...
Lucy
1 year ago
I agree with Meaghan, that might not be enough to suppress the fire effectively.
upvoted 0 times
...
Ruthann
1 year ago
Option B is definitely the correct answer. Increased humidity in a data center can cause a lot of problems for the equipment.
upvoted 0 times
Aileen
1 year ago
B) It will rapidly increase the humidity level in the data center, which can cause a potential risk for the operation of the equipment
upvoted 0 times
...
Adrianna
1 year ago
A) It only uses 10% of the water normally used in a water-based fire suppression, which might not be enough to suppress the fire
upvoted 0 times
...
...
Meaghan
1 year ago
I think the potential disadvantage is that it only uses 10% of the water normally used in a water-based fire suppression.
upvoted 0 times
...

Save Cancel