Question 1
According to Ontario Building Code (OBC) Division B, Part 7, what is the minimum required water seal depth for a standard fixture trap?
Correct Answer:
38 mm
Question 2
Under the OBC, above what temperature must sewage or waste water be cooled before it is discharged into a sanitary drainage system?
Correct Answer:
65°C
Question 3
Under what condition is Type M copper tubing permitted for use in residential water systems under the OBC?
Correct Answer:
Only for above-ground water distribution systems inside a building
Question 4
Which of the following standards must ABS plastic pipe and fittings comply with for drainage and venting applications in Ontario?
Correct Answer:
CAN/CSA-B181.1
Question 5
Under the OBC, solder and fluxes used to join copper pipe in a potable water system must contain no more than what percentage of lead?
Correct Answer:
0.2%
Question 1
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About this Exam

Prepare with the OBC Plumbing House Practice Questions - Ontario Building Code Exam Plumbing - House Exam practice quiz. This question bank includes 100 questions covering water, drainage, minimum, pipe, and residential. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OBC Plumbing House Practice Questions - Ontario Building Code Exam Plumbing - House Exam

This practice set contains 100 questions from the matching question bank and focuses on water, drainage, minimum, pipe, and residential. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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