Exin CDCS Exam - Topic 2 Question 2 Discussion

Actual exam question for Exin's CDCS exam

Question #: 2
Topic #: 2

[All CDCS Questions]

When installing a raised floor, can we use a spirit level bar to level the floor?

AYes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).

BNo, because using a spirit level bar, a measurement error will be transferred from pedestal to pedestal.

CYes, but spirit level bars can only be used in the vertical plane.

DYes, using a spirit level bar for raised floors higher than 40 cm is preferred.

Show Suggested Answer

Suggested Answer: B

A spirit level bar should not be used for leveling a raised floor, as measurement errors are likely to propagate from one pedestal to the next. Spirit levels can introduce cumulative errors, leading to uneven floors, particularly in large installations where precise leveling is critical.

Detailed Explanation:

Using a laser level or a precision leveling device is recommended to ensure accuracy across all floor tiles. Spirit levels, while adequate for short spans, can transfer small inaccuracies from one pedestal to another, which can cause alignment issues and floor instability over time.

EPI Data Center Specialist References:

EPI data center guidelines discourage the use of spirit levels for raised floors. Instead, they advocate for precision tools like laser levels that ensure consistency and accuracy in large-scale installations, aligning with best practices for raised floor construction.

by Jerry at Oct 22, 2024, 07:06 AM

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Lindy

3 months ago

Really? I’m surprised it’s even allowed for raised floors!

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Dion

3 months ago

Actually, it's best for floors over 40 cm, I read that somewhere.

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Julieta

3 months ago

I thought you could only use it vertically, is that right?

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Becky

4 months ago

I disagree, using it might cause errors between pedestals.

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Goldie

4 months ago

Yes, a spirit level bar can definitely help!

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Wai

4 months ago

I vaguely remember something about the length of the spirit level bar being important, but I can't remember the exact details.

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Chantell

4 months ago

I feel like we talked about using spirit levels in different planes, but I can't recall if that applies to raised floors specifically.

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Lyndia

4 months ago

I think we practiced a question about measurement errors transferring between pedestals, which makes me lean towards option B.

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Daisy

5 months ago

I remember discussing the importance of accuracy in leveling, but I'm not sure if using a spirit level bar is the best method.

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Launa

5 months ago

I'm leaning towards option B. If using a spirit level bar means transferring measurement errors from pedestal to pedestal, that seems like it could cause issues with the overall level of the floor.

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Lucy

5 months ago

Okay, I've got an idea. Since the question mentions the size of a typical raised floor tile, I'm guessing the spirit level bar needs to be longer than that to be effective. I'll go with option A.

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Maddie

5 months ago

Hmm, I think the key here is whether using a spirit level bar will introduce any measurement errors. I'll need to think through the process carefully to decide which option makes the most sense.

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Pamela

5 months ago

I'm not sure about this one. The question seems a bit tricky, and I'm not familiar with the specifics of installing raised floors.

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Glennis

1 year ago

Wait, are we talking about leveling a raised floor or a bar at a raised floor party? Either way, I'm gonna need a spirit level to keep things balanced!

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Karan

1 year ago

Wait, are we talking about leveling a raised floor or a bar at a raised floor party? Either way, I'm gonna need a spirit level to keep things balanced!

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Avery

1 year ago

C) Yes, but spirit level bars can only be used in the vertical plane.

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Erick

1 year ago

A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).

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Roslyn

1 year ago

Haha, I bet the person who wrote this question was having a 'spirit'-ed debate about the best way to level a raised floor. Option B is the clear winner in my book!

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Milly

1 year ago

Yeah, I agree. Let's stick with option B for leveling the raised floor.

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Tony

1 year ago

True, but option B seems like the safest choice overall.

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Sage

1 year ago

But what if the raised floor is really high? Maybe option D would be better in that case.

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Hubert

1 year ago

I think option B makes sense, we wouldn't want any errors transferring between pedestals.

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Melodie

1 year ago

Option D is the way to go! For raised floors higher than 40 cm, using a spirit level bar is definitely the preferred method.

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Sharen

1 year ago

I'll make sure to keep that in mind for my next project.

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Noelia

1 year ago

You're welcome! It helps ensure a level installation.

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Alease

1 year ago

That's good to know, thanks for the tip!

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Shanice

1 year ago

Yes, using a spirit level bar for raised floors higher than 40 cm is preferred.

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Salley

1 year ago

Option C seems more appropriate to me. While spirit level bars can be used, they should only be used in the vertical plane, not for the entire raised floor.

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Franklyn

1 year ago

Option C is a good choice. It's important to use the spirit level bar correctly for the raised floor installation.

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Kimi

1 year ago

C) Yes, but spirit level bars can only be used in the vertical plane.

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Kenda

1 year ago

A) Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).

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Kanisha

1 year ago

I think option B is correct. Using a spirit level bar can introduce measurement errors across the pedestals, making it an unreliable method for leveling raised floors.

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