Download Kentucky Journeyman's Plumbing License Exam Questions and Answers 2024-2025 and more Exams Refrigeration and Air Conditioning in PDF only on Docsity!
` Kentucky Journeyman's License 2024 - 2025.
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Why should plumbing be vented? โ ANS To protect from siphenage and back pressure. 3 inch and 4 inch lead flashing shall have a minimum base of how many inches? โ ANS 12 inches A 3 inch drain will carry how many water closets? โ ANS 3 A cleanout shall be provided at the base of each stack serving a building height of what? โ ANS 45 feet A common vent serves how many fixtures? โ ANS 2 fixtures A common vent will serve how many water closets? โ ANS 2 A corrosive liquid must pass through what before entering a sewer? โ ANS Dilution Pit A cross connection between what two water supplies shall not be made? โ ANS Private and public water supply
A cubic foot contains how many gallons? โ ANS 7.48 gallons A sand trap shall be provided with what size vent? โ ANS 4 inches A sewer going under a driveway has 19 inches cover; what do you so? โ ANS Use cast iron and encase it in 6 inches of concrete on each side A sewer should have how many inches of cover? โ ANS 18 inches A sewer starts at how many feet outside a building? โ ANS 2 feet A trap is protected against siphonage and back pressure by means of a what? โ ANS individual vent A tubular brass trap shall be what gauge? โ ANS 17 A vent from a water heater shall not terminate within how many feet of a window or door? โ ANS 6 feet A vent on a roof can't be closer than how many feet to a door or window? โ ANS 10 feet A vent stack cant be terminate how many feet away from a window, door, or scuttle? โ ANS 10 feet
Apprentice - ANSA person in the process of learning the pluming trade who assists and is under the personal supervision of the licensed master of journeyman plumber Are private water supply systems part of the code? โ ANS yes At what level may the vacuum breaker be submerged before backflow will occur?
- ANS Critical level or CL Back siphonage โ ANS The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel or other sources into a portable water supply pipe due to a negative pressure in such pipe. Battery of Fixtures โ ANS Any group of or more similar adjacent fixtures which discharge into a common horizontal waster or soil branch. Boiler with chemical feed are equipped with what kind of backflow device? โ ANS Reduce pressure backflow Branch โ ANS Part of the piping system which extends horizontally, at a slight grade, with or without lateral or vertical extensions or vertical arms, from main to receive fixture outlets not directly connected to the main. Branch Interval - ANSA distance along a soil or waste stack corresponding in general to a story height, nut in no case less than 8 feet within which the horizontal branches from one floor or story of a building are connected to the stack.
Building Drain โ ANS The part of the lowest piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building sewer beginning 2 feet outside the building wall. Can a double sanitary tee be used on a vertical soil waste and vent line? โ ANS Yes Can you lay a sanitary tee flat in a sewer? โ ANS no Cast Iron Support - ANSVertical: At the base of every floor Horizontal: 18 inches from each joint Chapter 318 applies and shall be in full force where in the commonwealth? - ANSIn all counties of the commonwealth Code - ANSMeans the Kentucky State Plumbing code Commercial water closets shall not exc3ed how many gallows per flush? - ANS3. gallons Copper Supports - ANSHorizontal: 1" and smaller - 6' Vertical: 1 1/2 and larger- At every story 1 1/4 and smaller- At every story not more than 10' D.W.V. - ANSDrain, Waste, Vent piping Department - ANSDepartment of house, building and construction
- Medical gas piping. Exams for mater or journeyman plumbing license shall be conducted at times and place fixed by regulation of what? - ANSThe executive director Explain when a notice of connection letter for a person in responsible charge of a plumbing company or individual engaged in the plumbing business has to be submitted to the division of plumbing. - ANSAny time he or she commences or serves his or her connection with the company or individual principle. Farmstead - ANSA farm dwelling together with other farm buildings and structures incident to the operation and maintenance of the farm situated on ten acres or more land which is located outside corporate limits of a municipality. Fitting constant to Angles
- 1/16 bend
- 1/8 bend
- 1/6 bend
- 1/4 bend - ANS-22.5 degrees
- 45 degrees
- 60 degrees
- 90 degrees Fixture Branch - ANSThe piping distance between a soil, waste and vent stack and the fixture trap.
Fixture unit, Drainage - ANSA measure of the probable discharge into the drainage system by various types of plumbing fixtures. Fixture units means a measurement of a plumbing fixture discharge at a rate of what? - ANS1 cubic foot per minute Fixtures other than a water closet or a pedestal urinal shall be provided with what? - ANSA strainer Flashing shall extend how many inches in all directions? - ANS6 inches Horizontal DWV plastic shall be supported at intervals not exceeding what? - ANS feet How far can the trap be away from the following vents?;
- Lavatory
- Kitchen Sink
- 3 compartment sink
- Floor mount service sink
- Floor drain 4 inches
- Water Closet - ANS- 2 feet 6 inches
- 3 feet 6 inches
- 5 feet
- 6 feet
- 10 feet
- 4 feet 6 inches
If you have a license in another state is it valid in Kentucky? - ANSNo In a residential dwelling, the shutoff valve shall be placed within how many feet of a water heater? - ANS3 feet Inner and outer bands of no-hub clamps are to be torqued to how many inch pounds? - ANS60 pounds Insurance carriers shall notify who upon cancelation of insurance? - ANSDepartment Is overflow on a fixture is optional? - ANSYes Journeyman Plumber - ANSA person who engages or offers to engage in, either as an occupation of otherwise, in the construction installation, alteration, maintenance, repair, remodeling or removal and replacement of plumbing under the supervision, direction, and responsibility of a master plumber. List number of fixture units each size will carry:
- 1 1/4 inches
- 1 1/2inches
- 2 inches
- 3 inches
- 4 inches - ANS- 1 fixture unit
- 2 fixture units
- 6 fixture units
- 36 fixture units
- 172 fixture units Maintenance Man - ANSA person employed to maintain and keep plumbing in good repair. Master Plumber - ANSA person who assumes responsibility charge, supervision, or direction of journeyman plumbers, plumbers' apprentices, and other persons in the construction, installation, or alteration of plumbing or who engages in or offers to engage in, or advises or otherwise represents that he is permitted or qualified to engage in the design, planning, superintending, contracting form or responsible charge of plumber. Max flow on a lave is what? - ANS2.0 gallons per minute Maximum Developed Length - ANSThe length of pipe measured along the center line of the pipe and fittings. Name 4 kinds of acid waste pipes - ANSlead, polyethylene, polypropylene, extra heavy salt glazed verified pipe Name 4 materials for a house sewer - ANSExtra heavy cast iron, concrete PVC, ABS Name 4 materials that can be used at piping under a building. - ANS1. No hub service weight cast iron
- Galvanized steal
Office - ANSOffice of housing, building and construction On a waste pipe a tee may not be turned on its back or side at an angle not more than what? - ANS45 degrees Penalty for violating plumbing law after being fined could be imprisoned for up to how long? - ANS90 days Plumbing - ANSThe art of installing in buildings the pipes for distributing the water supply, the fixtures for using water and drainage pipes from removing waste water and sewage, together with fittings, appetences, and appliances of various kinds, all within or adjacent to the building. It shall not include the installation of on site sewage disposal systems, except for the piping, fixtures, or other appetences needed within the building. Plumbing inspectors shall have the authority to enter the premises at what times for making an inspection? - ANSAt all reasonable times Plumbing trucks shall bear the company name and the master plumber's license number in not smaller lettering than what size? - ANS3 inches Portable Water - ANSWater free from impurities Qualifications - ANS-Be at least 18 years of age
- Be of good moral character
- Be a citizen of the United States
- Has all other qualifications that may be prescribed by administrative regulations of the executive director Receiving the discharge from an open receptacle shall be how many inches above surface of ground if waste discharges into septic system? - ANS6 inches Residential water closets shall not exceed how many gallons per flush? - ANS1. gallons Revoking a license may appeal to who? - ANSFranklin county circuit court Roughing-In - ANSThe installation of all parts of the plumbing system which can be completed prior to the installation of fixtures. Shower faucets shall be of what two balances? - ANStemperature and pressure Stack - ANSAny vertical waste, soil, or vent pipe Storm or sewer can not be laid parallel to or within how many feet of a bearing wall? - ANS2 feet Supports for CPVC pipe 1" and smaller shall be at what intervals? - ANSHorizontal: 3 feet Vertical: Each floor level The best mechanical protection is what? - ANSA reduced pressure principle
The T & P waster line shall be piped within how many inches of the floor? - ANS inches The total area of vents through the roof shall be equal to what? - ANSBuilding drain The use of plastic pipes and fittings shall be restricted to buildings that the soil waste and vent stack do not exceed what? - ANS45 feet The water service piping shall not be less than how many feet apart from a sewer?
- ANS5 feet Trap - ANSA fitting or device that provides a liquid seal True or False; If a building is condemned for unsanitary conditions it will need all new plumbing - ANSTrue True or False; The backflow preventer shall never be tested - ANSfalse Urinals shall not exceed how many gallons per flush? - ANS Vent System - ANSPipe or pipes installed t provide air flow to or from a drainage system
Waste Pipe - ANSAny pipe which receives discharge of any fixture (except w/c) Waste pipe underneath a building is called what? - ANSBuilding drain What are clean-out equivalents? - ANSA floor or wall collection of a fixture What are the minimum fixture requirements for a single family unit? - ANSOne water closet, one lave, one kitchen type sink and one bathtub or shower What are the penalties for violating the plumbing law? - ANSBe fined not less than 10 dollars, more than 100 dollars or imprisoned for not more than 90 days What are vents NOT required on? - ANSBack water traps, subsoil catch basin, and basement floor drain What does "soil pipe" convey? - ANSThe discharge of water closets or similar fixtures, with or without he discharges from other fixtures, to the house drain. What does a flush-o-meter have to have? - ANSa vacuum breaker What does code mean? - ANSKentucky State Plumbing code "318" What does the code not include? - ANSinstallation of onsite sewage disposal What in the water service must be kept to a minimum? - ANSThe number of joints
What is the min/max depth of a trap seal? - ANS2 inches - 4 inches What is the minimum size vent through the roof that can be used on a DWV system? - ANS3 inches What is the minimum size waste or vent pipe that can be installed in a system? - ANS1 1/4 inches What is the minimum size water distribution pipe that can be concealed? - ANS1/2 inch What is the minimum size water line for a flush-o-meter type water closet? - ANS inch What is the minimum size water service from the property line to the water heater? - ANS3/ What is the minimum support for plastic pipe underneath concrete floor? - ANS inch grillage, top bottom, sides What is the permit installation fee per fixture unit for commercial? - ANS10 per unit What is the trap size, branch and fixture units for the following?; 1 - Manufactured floor drain
2 - Lavatory 3 - 3 compartment sink 4 - Urinal (lip) 5 - Automatic Washer 6 - Bathtub 7 - Service Sink 8 - Drinking Fountain 9 - Kitchen Sink 10 - Utility room floor drain - ANS1- Trap: 4 Branch: 4 Fix units: 4 2 - Trap: 1 1/4 Branch: 1 1/4 Fix units: 1 3 - Trap: 2 Branch: 2 Fix units: 2 4 - Trap: 1 1/2 Branch: 1 1/2 Fix units: 1 1/ 5 - Trap: 2 Branch: 2 Fix units: 2 6 - Trap: 1 1/2 Branch: 1 1/2 Fix units: 1 1/ 7 - Trap: 3 Branch: 3 Fix units: 3 8 - Trap: 1 1/4 Branch: 1 1/4 Fix units: 1 9 - Trap: 1 1/2 Branch: 1 1/2 Fix units: 1 1/ 10 - Trap: 3 Branch: 3 Fix units: 3 What is the water line size of a water closet with a flush-o-meter? - ANS1 inch What is water free from impurities called? - ANSPortable water What lead weight is used for roof flashings and shower pans? - ANSNot less than 4 lbs per square foot
