Plumbing Code Review(General Exam #1)2022

" Building sewers shall be tested by completely filling the sewer with water from the ______________." A lowest to the highest point. B lowest to at least a 5-foot head. C lowest to at least a 10-foot head. D lowest to at least ground level Correct Answer is: "A" UPC 7 2 3.0 "Except for plastic piping systems, hot and cold water piping may be tested with________________." "A" 40 pounds per square inch of air or 150 pounds per square inch of water for 10 minutes "B" 35 pounds per square inch of air for at least 15 minutes. "C" 50 psi air or the working pressure of the water in the system for at least 15 minutes. D 100 psi air for at least 10 minutes" Correct Answer is: "C" 6 0 9.4 "The required clearance in front of a 2-inch cleanout is ________ inches." A. 8. B 12. C. 18 D. 24 Correct Answer is: "B" 7 0 7.9 "A stack, as defined in the code, is_____________________________________. (A) the main vent(B) any vertical vent (C) the vertical main of soil, waste, or vent piping that extends one or more stories (D) the horizontal main of soil, waste, or vent stack Correct Answer is: "C" 2 2 1.0 "Under no circumstances may gas appliance pressure regulators be vented _____________________. " A. to the atmosphere.B. to the combustion chamber near the pilot. C. to the gas utilization equipment flue or exhaust system. D. using black iron pipe. Correct Answer is: "C" 5 0 8.23.4 "Aboveground schedule 40 PVC and ABS DWV plastic piping installed horizontally shall be supported at intervals of not to exceed_______ feet." A. 4 B.6. C. 10 D.12 Correct Answer is: "A" Table 3-2 "When sizing a copper fuel-gas piping system that has an inlet pressure of less than 2 psi with a pressure drop of 0.3 inch w.c., the maximum cubic feet per hour of gas flow allowed through a 5/8-inch O.D. ACR tube 75 feet in developed length is_______. A-13 B-27 C-48 D-68 Correct Answer is: "B" Table 12-12 "A Type B-W gas vent shall terminate at least__________ feet in vertical height above the bottom of the wall furnace."A. 4 B. 5 C. 10 D. 12 Correct Answer is: D 510.6.2.2 "The maximum horizontal distance of a trap arm is measured from the inner edge of the vent to the _________." A. weir of the trap. B dip. C inlet. D. outlet Correct Answer is: A. UPC section;1002.2 "The maximum number of lavatories on a 2-1/2 inch horizontal waste line is__________________. (A) 8 (C) 16 (B) 14 (D) 24" B Table 7-3 & 7-5 " Sleeves shall be provided to protect all piping through________and ____________walls. (A) floors, concrete (C) wood, concrete (B) concrete, masonry (D) none of the above" B 312.10 "PEX piping installed horizontally must be supported every _________ inches. (A) 24 (C) 36 (B) 32 (D) 48" B Table 3-2 "The minimum common horizontal waste pipe serving a bathtub, a lavatory, and a kitchen sink shall be at least _____ inches.(A) 1 1/2 (C) 2 1/2 (B) 2 (D) 3" B Table 7-3 & 7-5 "The required clearance in front of a 3-inch cleanout is ________ inches. (A) 6 (C) 18 (B) 12 (D) 24" C 707.9 "A refrigerator used to store food and that requires drainage shall be drained by means of___________. (A) an indirect waste pipe (C) both A and B (B) a direct connection (D) no drain required" A 801.2 "Sheet metal, constituting a part of any vent connector, shall be at least ________ inches. (A) 0.0304 (C) 0.0500 (B) 0.0450 (D) 0.0505" A 510.7.1 "One material not approved for the installation of an external trap for a urinal is _________________. (A) cast iron (C) drawn-brass tubing traps (B) cast brass (D) ABS" C 1003.1, Ex. "Hub and spigot cast-iron piping in 10-foot lengths, installed horizontally, shall be supported at intervals of not more than _____ feet.(A) 5 (C) 12 (B) 10 (D) 15 B Table 3-2 "A drain connecting the compartments of a set of fixtures to its trap is called a (an)________________. (A) continuous waste (C) indirect waste (B) combination waste and vent (D) special waste" A 205.0 "A device to prevent backflow into the potable water system is called a ________________________. (A) backflow connection (C) back-siphonage (B) backflow preventer (D) siphon leg" B 204.0 "Copper tube and fittings used for drainage and vent piping installed aboveground shall be at least_____________________________. (A) Type L (C) Type M (B) Type K (D) Type DWV D 701.1.4 "A _____________________ may be installed with indirect waste."(A) water closet (C) lavatory (B) domestic kitchen sink (D) drinking fountain D 809.0 "Vitrified clay building sewer pipe and fittings are_________________. (A) approved for use at least 12 inches below ground (B) approved for use inside of buildings and aboveground(C) unrestricted in use for drain lines(D) unrestricted in use for vent lines A 701.1.3 "Cast-iron soil pipe shall not be _________________________. (A) used for drain lines (B) used belowground(C) painted(D) threaded D 311.2 "All trenches deeper than the footing of any building or structure and paralleling the same must be at least ___________.(A) 45 degrees therefrom (C) 2 feet wide (B) 4 feet therefrom (D) 2 feet deep A 315.1