_____ plumbing products and materials shall be listed by a third-party certification agency as complying with the referenced standards. correct answer:
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Sleeves for pipes that pass through a foundation wall shall be _____ pipe sizes greater than the pipe passing through the wall. correct answer: two pipe sizes
Exterior water supply system piping shall be installed not less than _____ inches below frost line and not less than _____ inches below grade. correct answer: 6 in. 12 in.
In concealed locations where piping is installed through holes or notches in studs, joists or rafters less than _____ inches from the nearest edge of the member, the pipe shall be protected by steel shield plates. correct answer: 1 1/2 in.
Other than cast-iron or galvanized steel piping.
Buried piping shall be _____ throughout its entire length. correct answer: supported
Rigid support sway bracing shall be provided at changes in direction greater than 45 degrees for pipe sizes _____ inches and larger. correct answer: 4 inches
Trenches installed parallel to footings shall not extend below the _____-degree bearing plane of the footing or wall. correct answer: 45º
The maximum horizontal spacing to support copper or copper-alloy pipe is _____ feet. correct answer: 12 ft.
Review and know how to use this table.
For pipe sizes greater than _____ inches, restraints shall be provided for drain pipes at all changes in direction and at all changes in diameter greater than two pipe sizes. correct answer: 4 in.
Urinal partitions shall begin not more than 12" from and extend not less than _____ inches above the finished floor surface. correct answer: 60 in.
Review the partition depth requirements.
All plumbing system piping shall be tested with either _____ or, for piping systems other than plastic, by _____. correct answer: water, air
When doing a drainage and vent water test, the water shall be kept in the system, or portion under test for at least _____ minutes. correct answer: 15 min.
Annual inspections shall be made of all _____ prevention assemblies and air gaps to determine whether they are operable. correct answer: backflow
The final test of the completed drainage and vent system shall be _____ and in sufficient detail to determine compliance with the provisions of this code. correct answer: visual
In a parallel water distribution system where hot water piping is bundled with cold or hot water piping, each hot water pipe shall be _____. correct answer: Insulated
Review the changes in this section.
The minimum size condensate drainage line for refrigeration units over 20 tons but less than 35 tons shall be _____ inches. correct answer: 1 in.
Know how to use the tables for the exam.
Restaurants shall have a minimum of 1 lavatory for each _____ persons. correct answer: 200 [Show Less]