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Connecticut Plumbing Practice 19

Practice 19 for Plumbing Exam learners in Connecticut: 25 questions, explained answers, and a review routine.

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Question 1

1

A 12-story office stack carries 380 DFU total with no branch over 40 DFU. A 5-inch stack is rated near 540 DFU total (about 90 per interval). Is the 5-inch adequate?

Question 2

2

A long horizontal 6-inch building drain at 1/16 inch per foot is proposed to save headroom. Most codes prohibit this because what?

Question 3

3

A stack offset occurs between the 4th and 5th floors at 60 degrees from vertical. The offset and the floors near it require what?

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