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A comprehensive set of questions and answers for the kentucky journeyman's plumbing license exam. It covers a wide range of topics, including venting, drainage systems, fixture units, and plumbing code requirements. A valuable resource for individuals preparing for the exam.
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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?
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
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?;
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:
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
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?
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