CIDQ IDPX Exam - Topic 7 Question 2 Discussion

Actual exam question for CIDQ's IDPX exam

Question #: 2
Topic #: 7

[All IDPX Questions]

Plumbing traps are an essential feature of sanitary drains because they prevent

Athe backflow of wastewater

Bthe backflow of sewer gases

Cthe contamination of water supply with wastewater

Dthe contamination of water supply with sewer gases

Show Suggested Answer

Suggested Answer: B

by Shanda at May 01, 2025, 12:10 PM

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Antione

5 months ago

They also help keep our water supply safe from contamination!

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Franklyn

5 months ago

Not sure about that, I’ve never heard of them preventing gas.

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Leila

5 months ago

Wait, I thought they only blocked wastewater?

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Cordelia

6 months ago

Traps stop sewer gases from coming back up!

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Charisse

6 months ago

Definitely agree, they’re super important for hygiene.

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Karl

6 months ago

I thought traps were meant to keep both sewer gases and wastewater from contaminating the water supply, but I need to double-check that.

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Dylan

6 months ago

I feel like traps are also important for stopping wastewater backflow, but I can't recall the exact details right now.

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Brock

7 months ago

I remember practicing a question similar to this, and I think the correct answer is about preventing sewer gases.

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Gianna

7 months ago

I think plumbing traps mainly prevent the backflow of sewer gases, but I'm not entirely sure if that's the only function they serve.

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Dorian

7 months ago

Wait, I'm a little confused now. Is it preventing backflow of wastewater or sewer gases? I better double-check the question and the answer choices.

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Nu

7 months ago

Ah, I remember learning about this in class. Plumbing traps prevent the backflow of sewer gases, that's the key thing. I'm feeling good about this one.

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Lashunda

7 months ago

Okay, I know plumbing traps have something to do with preventing backflow, but I'm not sure if it's wastewater or sewer gases. I'll have to read the options closely.

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Shayne

8 months ago

Hmm, I'm not totally sure about this one. I'll need to think it through carefully to make sure I understand the role of plumbing traps.

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Fausto

8 months ago

This seems like a straightforward question about the purpose of plumbing traps. I'm pretty confident I can figure this out.

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Charlene

12 months ago

I think the correct answer is D) the contamination of water supply with sewer gases, as traps also prevent gases from entering the water supply.

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Beatriz

12 months ago

I believe it could also be C) the contamination of water supply with wastewater, as traps help maintain water quality.

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Mendy

1 year ago

I'm going with B. Traps are the unsung heroes, keeping those nasty sewer gases at bay. Gotta love a good trap, am I right?

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Joesph

11 months ago

C) the contamination of water supply with wastewater

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Katlyn

12 months ago

B) the backflow of sewer gases

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Ozell

12 months ago

A) the backflow of wastewater

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Maurine

1 year ago

I agree with Celestina, plumbing traps are designed to prevent the backflow of wastewater.

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Celestina

1 year ago

I think the answer is A) the backflow of wastewater.

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Genevieve

1 year ago

Haha, this is a no-brainer. B is the answer - traps prevent sewer gases from backing up. Wouldn't want my house smelling like a sewage treatment plant!

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