ball valve pressure reducing valve check valve pressure vacuum breaker ABS pipe may be hand tapped and threaded. True False A building drain from the front building lot shall extend to the rear building lot when the rear building lot is ______ and if no private sewer is available or can be constructed to reach the rear building. on a corner lot an interior lot 200 feet from a public sewer 300 feet from a public sewer Quiz 5 Piping passing under or through walls must be protected from ______. breakage water leaks bending direct sunlight all of the answers provided Piping passing through or under cinders or other corrosive materials shall be ______ in an approved manner. sealed protected from external corrosion fire stopped drilled Piping shall have provisions for the ______ of hot water. expansion contraction temperature control vibration usage Voids around piping passing through concrete floors on the ground shall be ______. flanged protected sealed packed Plumbing pipe may be directly embedded in concrete or masonry ______. at no time if the pipe is made of galvanized steel if the pipe is made of black iron if the pipe is Schedule 40 stainless 404 C Holes or notches are allowed in a structural member ______. at any place at any size if protected by a nail plate if the member is not seriously weakened or impaired at NO place No notches, cuts or holes are to be made unless the ______ is/are specifically considered in the design of the member. I-beam joists laminated veneer lumber trusses all of the answers provided A notch is permitted in the center of a floor joist ______. if the notch is less than 1/6th the depth of the joist if the notch is less than 1/3rd the depth of the joist if the has a nail plate over it at NO time (never permitted) A notch is permitted in the center of a rafter/ceiling joist ______. if the notch is less than 1/6th the depth of the joist if the notch is less than 1/3rd the depth of the joist if the has a nail plate over it at NO time (never permitted) The maximum diameter of a bored hole in a stud wall is ______ of the stud depth. 25% 30% 40% 50% 75%
10 foot intervals Copper piping installed vertically be supported at each floor or at intervals not to exceed ______. 4 feet 10 feet 12 feet 15 feet A ¾ inch copper pipe installed horizontally shall be supported at intervals not to exceed ______. 10 feet 4 feet 6 feet 3 feet A 2 inch copper pipe installed horizontally shall be supported at intervals not exceeding ______. 4 feet 6 feet 10 feet 12 feet Threaded or welded ¾ inch steel pipe supplying water installed horizontally shall be supported at intervals not exceeding ______. 5 feet 10 feet 12 feet 15 feet Threaded or welded 2 inch steel pipe supplying water installed horizontally shall be supported at intervals not exceeding ______. 5 feet 10 feet 12 feet 15 feet Threaded or welded ½ inch steel pipe supplying gas installed horizontally shall be supported at intervals not exceeding ______. 6 feet 10 feet 5 feet 12 feet ABS DWV installed horizontally shall be supported every ______ regardless of diameter. 4 feet 6 feet 10 feet 12 feet A 1 inch PEX piping installed horizontally shall be supported at intervals not to exceed ______. 24 inches 32 inches 36 inches 98 inches The type of acceptable joints for shall be ______. metal insert and metal compression solvent cemented shielded coupling mechanical Quiz 7 Piping in the ground shall be laid on ______ for its entire length. a firm bed concrete blocks redwood stakes a bed of rocks When supporting a horizontal 5-inch diameter pipe, a ______ size rod shall be used. 3/8 inch 1/2 inch 5/8 inch all of the answers provided none of the answers provided When supporting a horizontal pipe, in diameter, a ______ size rod shall be used. 3/8 inch 1/2 inch 5/8 inch 1/4 inch A horizontal 1¼ inch diameter gas pipe shall be supported every ______. 4 feet 6 feet 10 feet 12 feet