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Questions and Answers
What is the maximum angle at which a horizontal drainage pipe can be installed?
What is the maximum angle at which a horizontal drainage pipe can be installed?
- 80 deg
- 85 deg
- 75 deg
- 70 deg (correct)
How should each clean-out be installed in relation to the direction of flow?
How should each clean-out be installed in relation to the direction of flow?
- In line with the direction of flow
- At right angles to the direction of flow (correct)
- Opposite to the direction of flow
- Parallel to the direction of flow
What should each 90 clean-out extension be constructed from?
What should each 90 clean-out extension be constructed from?
- Elbow fitting
- Tee fitting
- Cross fitting
- Wye fitting (correct)
How much front clearance is required for clean-outs that are 51 mm or less in size?
How much front clearance is required for clean-outs that are 51 mm or less in size?
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Where should clean-outs in underfloor piping be extended to?
Where should clean-outs in underfloor piping be extended to?
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What is the maximum distance a clean-out for residential occupancies can be located from an access door or trap door?
What is the maximum distance a clean-out for residential occupancies can be located from an access door or trap door?
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Which fitting should be used to construct a 90 clean-out extension according to the text?
Which fitting should be used to construct a 90 clean-out extension according to the text?
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