Your ReportWrong Q.1) Of the four board subjects given for Master Plumbers examination, which of this subject was originally split into two subjects? A. B. C. D. Wrong Q.2) Copper tube and fittings used for drainage and vent piping installed aboveground shall be at least ____. A. B. C. D. Correct Q.3) 36 inches 12 inches (Your Answer) 24 inches 48 inches A branch line serving a trap in a combination waste and vent system is required to be separately vented when the length of the branch exceeds ____. A. B. C. D. Wrong Q.6) an approved airgap fitting (Your Answer) a double-check valve a triple-check valve an approved valve Unions shall be installed in a water supply system within ____ to a water heater A. B. C. D. Correct Q.5) Type DWV (Correct Answer) Type L Type K Type M (Your Answer) A domestic dishwasher drain shall first connect to ____. A. B. C. D. Correct Q.4) Plumbing Code Design and Installations Plumbing Arithmetic (Your Answer) Practical Problems (Correct Answer) 15 (Your Answer) 10 5 25 Three-inch horizontal drainage piping shall be run in practical alignment and at a uniform slope of not less than ____. A. B. C. D. 1/4 inch per foot (Correct Answer) 1/16 inch per foot 1/2 inch per foot (Your Answer) 1/8 inch per foot C. special waste C.11) An ejector discharge line shall be provided with a ____ A. C.13) Because of structural conditions. continuous waste (Correct Answer) B. Wrong 6 feet (Correct Answer) 10feet 3 feet (Your Answer) 2 feet Q. Wrong 10 14 (Correct Answer) 20 6 Q. indirect waste (Your Answer) D. combination waste and vent Unanswered Q. C. .9) The maximum number of lavatories on a 2-1/2 inch horizontal waste line is ____. B. B. Wrong Q.7) The minimum requirement for the slope of horizontal drainage pipes between manholes is A. D. B. D. A.12) In the water test of the entire plumbing system all openings should be tightly closed except at A.10) The maximum distance a gas shutoff valve may be from a gas appliance (except for range and dryer connectors) is ____. D. B. C. D. B. D.Correct Q. A. This installation will result in a(an) ____.8) 4% 2-1/2 % 2% (Your Answer) 3% A drain connecting the compartments of a set of fixtures to its trap is called a(an) ____. a 4-inch house drain is installed with a slope of 1/8 inch per foot. A. Correct gate valve only backwater valve and gate valve (Correct Answer) backwater valve only swing check valve and a globe valve (Your Answer) Q. Wrong protruding cleanouts bleeders stack vent highest opening (Your Answer) Q. C. C.19) Water heater vents terminate above a roof surface at least ____ from a vertical wall. A.A.14) A ____ may be installed with indirect waste A. Correct water closet domestic kitchen sink drinking fountain (Your Answer) lavatory Q. D. C. D.18) Hub and spigot cast-iron piping in 10-foot lengths.16) Chemical or industrial liquid wastes that are likely to damage the public sanitary sewer system shall ____. Wrong 10 feet (Your Answer) 12 feet 5 feet 15 feet Q. Wrong be pretreated to render them innocuous (Your Answer) not be used under any condition be drained into a holding tank be drained into a storm drain Q. A. B. Correct 24 B&S gauge (Your Answer) 20 B&S gauge (Correct Answer) 22 B&S gauge 26 B&S gauge Q. Correct increased scouring and cleansing action reduction in fixture unit loading allowance (Correct Answer) separation of solids and liquid (Your Answer) increased allowance in fixture unit loading Q. shall be supported at intervals of not more than ____. B. A. B. D. C. B.15) A ____ trap is not self-cleaning A. D. * . B. installed horizontally. Correct plaster cast-iron bell grease (Your Answer) Q. C.17) A seamless drawn-brass fixture tailpiece shall be ____. B. C. D. C. D. D. * A. Correct 15 inches (Your Answer) 12 inches 24 inches 30 inches Q. Correct 12 inches (Correct Answer) 6 inches (Your Answer) 8 feet 3 feet Q. A. Correct backflow connection siphon leg backflow preventer (Your Answer) back-siphonage Q. * A. C.20) The distance from the center of a water closet to any side wall or partition shall not be closer than ____. C. C. D. B.22) Joints at the roof around pipes shall be made watertight by the use of ____. C. A. B. C. D. A. D. Correct epoxy glue flashings (Your Answer) waterproof paint tar and paper Q.21) Drinking fountains may be installed with ____. B. B.24) Building sewers shall be tested by completely filling the sewer with water from the ____. lowest to the highest point (Your Answer) .A. Correct steel pipe indirect wastes (Your Answer) yoke venting bell traps Q. D.23) A device to prevent backflow into the potable water system is called a ____. B. 27) Except for plastic piping systems. C. B.30) Gas piping with pressure less than 1/4-inch water column shall stand an air test of ____.29) The vent for a kitchen sink serves as a drain for a laundry tub. lowest to at least a 5-foot head D. B. The size of the wet-vented section is ____.B. lowest to at least a 10-foot head Wrong Q. lowest to at least ground level C. A. Wrong 4 inches (Your Answer) 12 inches 2 inches (Correct Answer) 9 inches Q. Wrong bathtubs water closets (Your Answer) sinks (Correct Answer) showers Q. C. Wrong 1-1/2 inches (Your Answer) 3 inches 2-1/2 inches 2 inches (Correct Answer) Q. B. D. A. D. hot and cold water piping may be tested with ____. 40 psi air or 150 psi water for 10 minutes Wrong Q.25) A plumbing vent shall terminate not less than ____. D.26) Cleanouts may be omitted on a horizontal drain line less than 5 feet except for ____. C. A. A. shall not be less than ____. Answer) D. measured from the top of the drain. B. A. A. 50 psi 30 psi 15 psi (Your Answer) not less than 3 psi (Correct Answer) .28) The depth of the finished dam of threshold for any shower. D. B. 35 psi air for at least 15 minutes 50 psi air or the working pressure of the water in the system for at least 15 minutes (Correct C. Wrong 3 feet from an air intake 10 feet from an air intake (Correct Answer) 1 foot above the roof (Your Answer) 5 feet above a window Q. D. C. C. 100 psi air for at least 10 minutes (Your Answer) B. 06 square inches (Your Answer) 18 square inches Q. B.34) That portion of a venting system that connects a water heater to a vent is a ____. D. B.31) Under no circumstances may gas appliance pressure regulators be vented ____. Correct chimney connector vent connector (Correct Answer) Type B vent (Your Answer) vent Q. Wrong 12. C.35) The minimum size of gas piping supply to a mobile home is ____.36) Pilots and burners of gas-fired water heaters (except sealed combustion chambers) in residential garages shall be ____ above the floor level. D. Wrong heater horizontal (Your Answer) roof vertical (Correct Answer) Q.56 square inches (Correct Answer) 4 square inches 7. B. B. Wrong 24 inches 12 inches 18 inches (Correct Answer) 6 inches (Your Answer) . C. D. B. D. C. A.32) A water heater vent may have one offset of not more than 60 degrees from the ____. A. A.33) The aggregate cross-sectional area of all vents for a system with a required 4-inch sewer shall be at least ____.Wrong Q. A. D. A. C. A. C. B. Wrong to the gas utilization equipment flue or exhaust system (Correct Answer) using black iron pipe (Your Answer) to the combustion chamber near the pilot to the atmosphere Q. D. C. Wrong 3/4 inch (Your Answer) 1/2 inch 2 inches 1 inch Q. 41) Each drainage stack that extends 10 or more stories above the building drain shall be served by ____. A. two double-compartment sinks C. B. D. Correct cleanouts at each floor a parallel vent stack (Your Answer) extra-heavy fittings straps every 5 feet Q. A.39) The exit terminals of mechanical draft systems shall be ____. C. A. A. Wrong Q. Correct 3 inches 2-1/2 inches 2 inches (Correct Answer) 1-1/2 inches (Your Answer) Q.Q.40) The minimum size waste pipe for a residential kitchen sink is ____.38) One trap may serve a set of not more than ____.37) PEX piping installed horizontally must be supported every ____ inches. D. D. D. three lavatories Unanswered Q.43) 2 feet deep 45 degrees therefrom (Your Answer) 4 feet thereon 2 feet wide Above ground schedule 40 PVC and ABS DWV plastic piping installed horizontally shall be . B. A. C. C.42) All trenches deeper than the footing of any building or structure and paralleling the same must be at least ____. A. D. Wrong in the same story not over 10 feet from the vent not less than 7 feet above grade (Correct Answer) not over 20 feet from the vent Q. Wrong 48 24 36 (Your Answer) 32 (Correct Answer) Q. B. three single-compartment sinks (Correct Answer) B. B. C. B. C. two lavatories (Your Answer) D. a lavatory. B. threaded (Your Answer) .1/2 inches 2 inches (Correct Answer) Q. bell and spigot C. and a kitchen sink shall be at least ____.46) One material not approved for the installation of an external trap for a urinal is ____.47) The minimum common horizontal waste pipe serving a bathtub. D. welded B. C. Wrong ABS cast brass drawn-brass tubing traps (Correct Answer) cast iron (Your Answer) Q. D. D. A. D. A. Wrong 6 feet 4 feet 8 feet (Correct Answer) 5 feet Q.48) What kind of joint is not allowed in cast iron pipe? A. C. A. C. Correct 3 inches 1 -1/2 inches (Your Answer) 2 .45) The terminal end of the drain for a pressure-relief valve shall not be ____. B. 6 feet C. 10 feet B. B. C. Wrong painted reamed threaded (Correct Answer) open (Your Answer) Q. 2 feet (Your Answer) D. A.44) Three-quarter inch or 1-inch gas piping installed horizontally shall be supported at intervals not to exceed ____. B. 4 feet (Correct Answer) Unanswered Q.supported at intervals of no to exceed ____. A. D. 15 B. what is the allowed degree of the branch to be used? * A.0 meters none of these Q. B. C. Correct greater than 2. A.54) For a vertical drainage line that is installed to be truly in vertical position.3 meter in its least dimension for easy inspection and repair? A. C. A. III and IV shall be in accordance with ____. cleanouts may be omitted on a horizontal drain line that is A. Correct 1-1/4 inch (Correct Answer) 1-1/2 inch (Your Answer) 1 inch 1-3/8 inch Q.D. D. D.0 meters less than 1. Wrong the vent piping the drain piping a closet bend metal supporting members (Your Answer) Q.52) What kind of concealed connections on fixtures that it is required to provide an access panel or utility at least 0. C.5 meters (Your Answer) equal to 2. Correct the manufacturers guide (Your Answer) the manufacturers instructions (Correct Answer) the gas company the vent connector company Q. B. C.50) The tailpiece for a lavatory shall not be less than ____. Wrong slip joint (Your Answer) hubless ball and socket flanged Q.51) Unless serving sinks or urinals. 60 (Your Answer) . B. C. A. D.53) The sizing of gas vents for category II.49) Wall-mounted water closet fixtures shall be securely bolted to ____. B. D. soldered Correct Q. B. Wrong 18 inches above the floor in a partition 6 inches above the floor below the floor (Your Answer) Q. the maximum cubic feet per hour of gas flow allowed through a 5/8inch O. A.. 45 D. A. B. C. B. C. C. Wrong four (Correct Answer) three two six (Your Answer) Q. A.5 Wrong Q.59) The total number of closets on a 3-inch stack is ____. D. Correct 50 feet 60 feet (Correct Answer) 20 feet (Your Answer) 30 feet . B. B. D. A. B. D. C. 22.58) No trap for any clothes washer standpipe shall be installed ____. Wrong within a horizontal distance of 10 feet (Your Answer) draft hood draft hood outlet or flue collar (Correct Answer) or approved cap on the roof Q. D.56) Single-wall metal pipe shall terminate at least 5 feet in vertical height above the highest connected equipment ____.3 inch w. A.60) The maximum length for a 1-1/2-inch vent pipe is ____.c. C. Correct 13 48 (Your Answer) 27 (Correct Answer) 68 Q.C. C.55) The developed length between the trap of a water closet and its vent shall not exceed ____. Wrong 4 feet 12 inches (Your Answer) 30 inches 6 feet (Correct Answer) Q. D.57) When sizing a copper fuel-gas piping system that has an inlet pressure of less than 2 psi with a pressure drop of 0.D. D. A. ACR tube 75 feet in developed length is ____. B. D. A. B. B. D. D. Correct 50 feet (Your Answer) 100 feet 10 feet 15 feet Q. B. A. Wrong their base and each floor (Correct Answer) intervals of 10 feet (Your Answer) intervals of 5 feet every other story Q. D.65) A refrigerator used to store food and that requires drainage shall be drained by means of ____. C. A.64) Cast-iron soil pipe stacks shall be supported at ____.62) The minimum horizontal distance between a water supply well and the building sewer is ____. C.63) Fixture traps shall have a water seal of not less than ____. C. B. Wrong 12 inches 2 inches (Your Answer) 6 inches 4 inches Q.66) No water heater (except direct vent water heaters and fuel burning water heaters installed in a closet with a listed. gasketed door assembly and listed self-closing device) that depends on the combustion of fuel for heat shall be installed in any ____.Q. C. C. Wrong an indirect waste pipe (Correct Answer) both A and B a direct connection (Your Answer) no drain required Q. D. B. D. garage kitchen basement (Your Answer) bedroom (Correct Answer) . Correct Thirty five years old Thirty two years old Thirty years old (Your Answer) Twenty eight years old Q. C. B. A.61) What is the minimum age requirement for an appointee to become a member of the Board of Master Plumbers? A. _ A. 67) The building sewer shall be determined on the basis of the total number of fixture units drained by such sewer in accordance with ____. D. B. C.71) Water service pipes. D.Wrong Q. A. the maximum fixture load only C. B. C. Wrong piping for a lawn sprinkler asbestos cement building sewer piping (Your Answer) cast-iron building sewer piping any other water pipe Q.70) Concealed slip joint connection require a (an) ____. A. B.69) A vent in a combination waste and vent system shall be approximately equal in area to one-half the ____. A. A. A. D.68) Soil and drain pipes located above food-handling establishments shall be subjected to a standing water test of not less than ____ feet. Correct 12 25 10 (Correct Answer) 15 Q. C. A. the same table(s) as the building drain (Your Answer) D. Correct 8 x 12 access panel 10 x 12 access panel 12 x 12 access panel (Your Answer) 18 x 18 access panel Q. B. Table 7-8 fixture unit loading (Correct Answer) Unanswered Q. Correct area of the house sewer cross-sectional of the drain pipe served (Your Answer) area of the public sewer diameter of the drain pipe served Q.72) Sewer or other drainage piping that shall no be installed under or within 2 feet of any building or structure is ____. shall not be run or laid in the same trench with ____. B. C. D. D. Wrong ABS cast iron asbestos cement (Correct Answer) copper (Your Answer) . C. or any underground water pipes. none of the above B. 74) A type B-W gas vent shall terminate at least ____ feet in vertical height above the bottom of the wall furnace A. masonry (Your Answer) B. D. D. D. Wrong 6 (Your Answer) 12 (Correct Answer) 8 4 Q.73) In each run of horizontal drain piping. concrete. C. C. . wooden C. A. A. Correct PVC Sch 40 (Your Answer) galvanized. D. B. Correct 1-1/2 inches (Correct Answer) 2 inches (Your Answer) 3 inches 2-1/2 inches Q. the distance between cleanouts shall not exceed ____. Wrong used belowground painted used for drain lines threaded (Correct Answer) Q. floor. C. ceiling.77) Cast-iron soil pipe shall not be ____. B.Q. Wrong 50 feet (Your Answer) 300 feet 75 feet 100 feet (Correct Answer) Q.78) Single-wall metal pipe shall be constructed of ____ not less than 0. C. B. wood. A. B. concrete Unanswered Q.76) Sleeves shall be provided to protect all piping through ____ and ____ walls. sheet steel (Correct Answer) copper sheet metal cast ironcast iron Q. A.79) The maximum horizontal distance of a trap arm is measured from the inner edge of the vent to the ____.75) The minimum size trap and trap arm for a kitchen sink is ____. D. B. C.0304 inch thick. concrete D. A. B. D. C. B.82) The developed length of 1-1/2-inch trap arms shall not exceed ____. D. C. Wrong 2 feet. A. C. A. D. B. A. D. D. C. D. A.A.84) An indirect waste pipe 12 feet long requires ____. C. B. 6 inches (Your Answer) Q. Wrong 18 inches 36 inches 12 inches (Correct Answer) 24 inches (Your Answer) Q.80) The vertical distance between a fixture outlet and the trap weir shall not exceed ____. Wrong outlet weir of the trap (Your Answer) dip inlet Q.85) Water closet tank ballcocks shall be installed with the vacuum breaker critical level at least ____. Wrong listed combination temperature and pressure relief valve (Correct Answer) check valve (Your Answer) hot water return line mixing valve Q. B. A.81) Nonmetallic shower sub-pans or linings may be built up on the job site of not less than ____. C. B. A. Wrong 1 inch above the flush valve opening (Your Answer) 6 inches above the full opening of the overflow tube 1 inch above the full opening of the overflow tube (Correct Answer) 6 inches above the flush valve opening . D. B.83) A water system containing storage water-heating equipment will require a ____. Wrong a trap only (Correct Answer) a trap and vent (Your Answer) no trap or vent a vent only Q. C. Correct three layers of 15 pound felt (Correct Answer) two layers of 15 pound felt four layers of 15 pound felt one layer of 15 pound felt (Your Answer) Q. 8 inches 5 feet 6 feet 3 feet. 0. C. C. B. B. A.92) Sheet metal. Correct 6 inches (Your Answer) 18 inches (Correct Answer) 12 inches 24 inches Q. D. D.0505 inches C. 0. A. B. shall be at least ____. D. C. C.87) Ferrous gas piping installed underground in exterior locations shall have at least ____. Correct one double swing joint two condensation drip leg 1 foot of earth cover (Your Answer) four 90-degree elbows Q.91) Vitrified clay building sewer pipe and fittings are ____. Correct fire or acid to the pipe joints potable water to the interior of the piping tubing soapy water to the exterior of the piping (Your Answer) a noncorrosive leak detection fluid Q. C.86) The required clearance in front of a 3-inch cleanout is ____.90) A fixture vent pipe increased one pipe size its entire length ____. D. Wrong may exceed the maximum horizontal length limited by code (Your Answer) will be a better workmanship job will increase the venting efficiency will reduce the cost of installation Q. 0. B.0500 inches .0304 inches (Your Answer) B. B. A. A. Correct 8 inches 1 inch specified in listing or rating plate and NFPA 211 Standard (Your Answer) 3 inches Q. D. D. constituting a part of any vent connector.88) Minimum clearance of listed appliances to any combustible wall or partition is ____. A.89) Leaks in gas piping shall be located by applying ____. Correct unrestricted in use for drain lines unrestricted in use for vent lines (Your Answer) approved for use inside of buildings and aboveground approved for use at least 12 inches belowground (Correct Answer) Q. A. C.Q. B. A. 0450 inches .D. 0.