Plumbing Exam Questions and Answers 2024
A journeyman plumber and an apprentice, who are employed by a master plumber, are
installing the DWV-system and water distribution system in a 2-½ story single family dwelling.
QUESTION: What answer below shall be considered most correct to complete the ...
Plumbing Exam Questions and Answers 2024 A journeyman plumber and an apprentice, who are employed by a master plumber, are installing the DWV -system and water distribution system in a 2 -½ story single family dwelling. QUESTION: What answer below shall be considered most correct to complete the following "Plumbing code knowledge" related statement: A trap that serves a single shower stall that is equipped with a hand shower, a rain head, and a standard shower head shall be no less than ________ in minimum diameter A) 1-½" B) 2" C) 2 -½" D) 3" - answer✔✔2 inches A journeyman plumber and apprentice are installing 3 -inch floor drains in an open -parking -
garage that is subject to freezin g temperatures. QUESTION: What answer below shall be considered most correct to complete the following "Plumbing code knowledge" related statement: The installation of traps at the floor drain locations which are found susceptible to freezing temperatures may be __________. A)Increased to 4 -inch B) Eliminated C) Wrapped with freeze protection cable D) Insulated - answer✔✔eliminated A journeyman plumber and apprentice are installing lab sinks with faucets that are connected to an acid waste system for -(spec ial hazardous waste) in a medical lab. What answer below shall be considered most correct to complete the following "Plumbing code knowledge" related statement: Vacuum breakers shall be installed with the critical level at least _____ -inches above the floo d level rim of the fixture they serve and on the discharge side of the last control valve to the fixture. A) 12 B) 6 C) 18 D) 3 - answer✔✔6 inches What answer below shall be considered most correct to complete the following "Plumbing code knowledge" relat ed statement: No plumbing permit shall be issued for cross connection installations that require ______________ until the application for a permit is accompanied by a letter of approval from the Massachusetts Department of Environmental Protection or its designee. A) RPBP B) A "critical level" height C) Atmospheric vacuum breakers D) Water recycling systems - answer✔✔reduced pressure backflow preventer (RPBP) : What answer below shall be considered most correct to complete the following "Plumbing code know ledge" related statement: The waste discharge from safe waste pans serving water heaters or hot water storage tanks where there is _______ below and shall be piped indirectly to a properly trapped and vented fixture. A) People B) Occupancy C) Floors D) Pl umbing connections - answer✔✔occupancy GIVEN: A journeyman plumber and an apprentice, (who are employed by a master plumber), are installing the sanitary DWV and water distribution system in a five -story residential condominium complex. QUESTION: What answ er below shall be considered most correct to complete the following "Plumbing code knowledge" related statement: CPVC -(Chlorinated Polyvinyl Chloride) pipe and fittings may be used provided that none of this material is located within ____ -inches of any co nnection to a hot water tank as defined in MGL. c. 142, § 17 A) 12 B) 18 C) 20 D) 24 E) 30 - answer✔✔24 inches : A journeyman plumber and apprentice are roughing -in multiple fixtures in a new fitness center. The facility will include a juice bar, temporary daycare room, men's and women's toilet facilities and men's and women's locker rooms. QUESTION: What answer be low shall be considered most correct to complete the following "Plumbing code knowledge" related statement: A ________ -vent is a branch vent that serves two or more floor -outlet fixtures that are battery wasted. The vent extends from the top of the horizon tal soil and/or waste branch in front of the last fixture waste and connects to a vent stack or stack vent that is adjacent to the down -stream end of the horizontal branch. A) Side B) Loop C) Relief D) Circuit - answer✔✔loop MATCH: Elevated pressure Flow designation Ten P.S.I.G. or less Less than 2 -P.S.I A) 3 P.S.I.G. or ten times B) Inlet pressure C) E.H.D. D) Prof. Engineer - answer✔✔elevated pressure - d flow designation -c Ten P.S.I.G. or less -a Less than 2 -P.S.I -b N: A journeyman plumber is insta lling category -I gas appliances and equipment in the basement of a building. A 120,000 BTU/hr. boiler and 40,000 BTU/hr. water heater are being installed. QUESTION: What answer below shall be considered most correct to complete the following "Gas code know ledge" related statement: The boiler requires a minimum of _____ -cu. ft. of air to support proper combustion A) 2,400 cu. ft. B) 120 sq. in. C) 3,200 sq. ft. D) 800 cu. ft. - answer✔✔2,400 cu. ft. 120,000/50 ) QUESTION: What answer below shall be consider ed most correct to complete the following "Gas code knowledge" related statement: The code would require the gas vent penetrating the roof in -[FIGURE -TP-B-Q1-1A: GAS VENT SIZING] as identified at point -[A] to be not less than ______ above any portion of a building within 10 -feet horizontally. A) 24" B) 3 -feet C) 30 -inches D) Forty -two-inches - answer✔✔24 In Massachusetts copper tubing and fittings may be used for natural gas piping A) Provided that the tubing is type -k with flared fitting connections. B) When approved by the authority having jurisdiction. C) At interior locations only and not concealed. D) If the gas contains no more than .03 grains of hydrogen sulfide per 100 cu. ft. of gas. - answer✔✔If the gas contains no more than .03 grains of hydrog en sulfide per 100 cu. ft. of gas : A journeyman plumber and apprentice, who are employed by a master plumber, are installing a natural gas fired category -1 boiler and water heater to an interior, clay tile lined, masonry chimney. When measured in complian ce with the code the chimney "height" is 48 -feet. QUESTION: What answer below shall be considered most correct to complete the following "Gas code knowledge" related statement: _____ is the maximum allowable amount of 6 -inch single wall metal vent connecto r material that may be installed horizontally to connect the boiler and water heater to the chimney A) 36 -feet B) 50% of the chimney height C) 48 -feet D) 9 -feet - answer✔✔36 feet : A journeyman plumber is installing a natural gas fired category -1 boiler with an indirect water heater. Type -B double wall vent connector material is being used to vent products of combustion from the boiler to an interior tile lined masonry chimney that is 35 -feet in height. QUESTION: What answer below shall be considered most correct to complete the following "Gas code knowledge" related statement: A clearance of _____ from combustibles shall be maintained when using/installing type -B vent materials. A) 6-inches B) 2" C) 1 -foot D) One -inch - answer✔✔one inch A)1 Fixture unit B)D 2' X L' X _____= Capacity C)Diameter ÷ 2 D) .00433A)7.5 GALLONS A)7.5 GALLONS B)5.875 C)RADIUS OF A CIRCLE D)1 CU IN OF WATER - answer✔✔A)7.5 GALLONS B)5.875 C)RADIUS OF A CI RCLE D)1 CU IN OF WATER ) GIVEN: A journeyman plumber and apprentice, who are employed by a master plumber, are installing sanitary drainage, waste and vents for a beauty salon. The facility is in a rural Town without municipal sewage connections. A portio n of the waste being generated by shampoo sinks in the beauty salon is being run to a holding tank in compliance with the code. The inside dimensions of the holding tank are 12' X 10' -6" X 8'. QUESTION: What answer below shall be considered most correct to complete the following "Plumbing and gas -fitting math" related statement: Assume that the holding tank described above is ⅞ -full. ____ -gallons of water would be in the tank.
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