Terms : Hide Images
| 3601520857 | Air break | A piping arrangement in which a drain from a fixture appliance or divice discharges into a receptor at a point below the flood level rim and above the trap seal | 0 | |
| 3601520858 | Air chamber | Now called water hammer arrestor | 1 | |
| 3601520859 | Air gap drainage | Unabstructed vertical distance between the outlet of the waste pipe and the flood level rim of the recptor it is discharging "air gaps are required where backflow can occur due to back siphonage" | 2 | |
| 3601520860 | Air gap water distribution/ effective opening | Vertical distance between the lowest opening,pipe, faucet supplying water to a tank fixture or other device and the flood level rim of the receptor. diameter of the fixture discharge is the effective opening. | 3 | |
| 3601520861 | Battery fixtures | Any group of two or more similar adjacent fixtures that discharge into a common horozontal waste or soil branch. Can be battery vented in up to groups of 8 fuxtures | 4 | |
| 3601520862 | Clinical sink | A sink primarily for waste very similar to the characteristics of a toilet | 5 | |
| 3601520863 | Combination fixture | Kitchen sink or laundry tub that has one trap for 2 compartments tied in within 30 inches of the trap | 6 | |
| 3601520864 | Conductor/ rain leader | Vertical drain pipe within the building that convays storm water from the roof to its connection to the building storm drain or other point of disposal Rain leader is the same but on the exterior of the building. | 7 | |
| 3601520865 | Critical level | The bottom of the back flow preventer unless stamped on the back flow prevention device by the manufacturer that determines the minimum elevation above flood level rim. | 8 | |
| 3601728649 | Load factor | The percentage of the total connected fixture unit flow which is likely to occur at any point in the drainage system | 9 | |
| 3601728650 | Local ventilating pipe | A pipe on the fixture side of the trap which vapor or foul air is removed from the fixture | 10 | |
| 3601728651 | Reduced pressure zone backflow preventer assembly | Provides the highest level of protection against back pressure backflow. | 11 | |
| 3601728652 | SDR | Abbreviation for standard dimensional ratio that relates to the specific ratio of the average specified outside diameter to the minimum wall thickness for outside diAmeter controlled plastic pipe | 12 | |
| 3601818435 | Prohibited traps | Traps that depend upon moving parts to maintain their seal, Bell traps, crown vented traps, separate fixture traps that depend on interior partitions for their seal,, S traps of uniform internal dimension, drum traps | 13 | |
| 3601818436 | Clean out spacing minimum pipe length distances | 4 inch pipe size or less is 75 feet. 5 inch pipe size and larger is 100 feet. | 14 | |
| 3601818437 | Cleanouts in terms of change in direction | Cleanouts shall be installed at changes of direction in drainage piping made with 60° 70° and 90° fittings. Exception: where there are multiple changes of direction not more than one cleanout shall be required in 40 feet of run. | 15 | |
| 3601818438 | Clean out clearances | 3 inch or larger pipes 18 inches. Smaller than 3 inch pipes 12 inches. | 16 | |
| 3601818439 | Fixture clearances in front | 21 inch clearance in front of toilets urinals and lavatories; also between the front of the toilet and the side of the tub | 17 | |
| 3601818440 | Fixture clearances between toilets side by side | 30 inches center to center | 18 | |
| 3601818441 | Spacing between the sink and the toilet on the same wall | 4 inches | 19 | |
| 3601818442 | Spacing between center of toilet and end of tub | 15 inches for other buildings and 12 inches for dwellings | 20 | |
| 3601818443 | Spacing between lavatory and end of bathtub | 2 inches | 21 | |
| 3601818444 | Clearance in front of a stall shower | 24 inches | 22 | |
| 3601818445 | Area that must be covered with waterproof material for urinals | 4 feet high 1 foot to the left and to the right, one foot plus the depth of the urinal in front | 23 | |
| 3611497432 | What size should the floor drain be if provided for emergency eyewash or shower station | If provided for emergency showers and eyewash stations, floor drains and their fixture drain branches shall be sized for the gallon per minute discharge capacity of the shower or eye wash but the drainage fixture unit load on the sanitary drain system shall be zero. | 24 | |
| 3611497433 | What 3 common locations are floor drains required | 1-Toilet rooms containing either two or more toilets, a wall hung urinals , or a combination of the two. Except in a dwelling unit 2-commercial kitchens 3-common laundry rooms in commercial buildings and buildings having more than two dwelling units | 25 | |
| 3611497434 | What temperature should emergency eyewash and shower equipment be sent to the range | The temperature for an emergency eye wash station or emergency shower should be 65° to 95°F unless the designer has indicated that other specific temperatures are required to provide protection for particular hazard | 26 | |
| 3611497435 | Vertical support for cast iron | At the base of the stack and every story | 27 | |
| 3611497436 | Vertical support for steel threaded pipe | Every other story | 28 | |
| 3611497437 | Vertical support for Copper tubing | And every story height but not more than 10 foot intervals | 29 | |
| 3611497438 | Vertical support for pex | Each story high and at mid story | 30 | |
| 3611497439 | Vertical support for stainless steel drainage pipe | At each story height | 31 | |
| 3611497440 | Horizontal support for cast iron | One hanger per pipe length and it must be within 18 inches of each joint up to 10 feet maximum spacing. Also at Changes direction and branch connections. | 32 | |
| 3611497441 | Horizontal support for copper tubing 1 1/4 or smaller | 6 foot intervals | 33 | |
| 3611497442 | Horizontal support for 1 1/2 inch or larger | 10 four intervals | 34 | |
| 3611497443 | Horizontal support for lead pipe | On continuous metal or wood strips for its entire length | 35 | |
| 3611497444 | Horizontal support for pex | 32 inches | 36 | |
| 3611497445 | Horizontal support for stainless steel drain piping | 10 foot intervals, changes of direction and branch connection | 37 | |
| 3611497446 | Horizontal and vertical support for plastic drains | Whatever the manufacture specifies | 38 | |
| 3611497447 | What is the minimum psi flowrate fixture and what is the exception for pressure assisted toilet's and blowback urinals | 15 psi minimum at faucets. 20 psi for flushometers and 25 psi for pressure assisted bladder tank toilets | 39 | |
| 3611497448 | Conversion of flow in gallons per minute to DFU | Where the discharge rate of fixtures your equipment is expressing gallons per minute to drainage fixture yours shall be allowed for each gallon per minute of flow | 40 | |
| 3611497449 | Dfu load on bathrooms having 1.6 gallon per flush toilets for individual dwelling units as well as serving three or more dwelling units (half bath) | Individual is three and three or more dwelling units is 2 | 41 | |
| 3611497450 | Dfu load on bathrooms having 1.6 gallon per flush toilets for individual dwelling units as well as serving three or more dwelling units (1 bathroom group) | Individual is 5 dfu and multi dwelling is 3 dfu | 42 | |
| 3611497456 | How many bathrooms can you put on a 3 inch line when using less then 3.4 gallons per flush toilets when sized for a single dwelling unit | There cannot be more than 6 toilets or 6 bathroom groups on one 3 inch building drain or building sewer | 43 | |
| 3611497457 | How many toilets can be put on a 3 inch line when using 3.5 gallons per flush toilets when sized for a single dwelling unit | There cannot be more than 3 toilets or 3 bathroom groups on one building drain or building sewer | 44 | |
| 3611497458 | How many bathrooms can be on a 3 inch line using 3.4 gallon per flush toilets sized for other than single dwelling units | There may not be more than 4 toilets or bathroom groups of 3 inch drain or building sewer when using 3.4 gallons per flush or less toilets | 45 | |
| 3611497459 | How many bathrooms or toilets can be on a 3 inch line using 3 1/2 gallon per flush toilets or more in then other than single dwelling unit | No more than two toilets shall be permitted | 46 | |
| 3630646783 | Branch vent | A vent connection one or more individual vents with a vent stack or stack vent |  | 47 |
| 3630652816 | Common vent | A vent connected at a common connection of two fixture drains and serving as a vent for both fixtures |  | 48 |
| 3630824497 | Area drain | A receptor designed to collect surface or storm water from an open area | 49 | |
| 3630824498 | Venting system design | Venting system shall be designed and installed so that at no time will the trap seals be subjected to a pneumatic pressure differential of more than one inch of water Coulmn under design load conditions | 50 | |
| 3631497362 | What angle is an isometric drawling drawn | 30 degrees | 51 | |
| 3644620468 | Diagonal constant for a 90 degree angle | 1 | 52 | |
| 3644624510 | Diagonal constant for a 60 degree angle | 1.155 | 53 | |
| 3644624511 | Diagonal constant for a 45 degree angle | 1.414 | 54 | |
| 3644626539 | Diagonal constant for a 22.5 degree angle | 2.613 | 55 | |
| 3644677842 | Setback constant for 90 degree angle | 0 | 56 | |
| 3644812830 | Setback constant for 60 degree angle | 0.577 | 57 | |
| 3644814447 | Setback constant for 45 degree angle | 1 | 58 | |
| 3644814450 | Setback constant for 22.5 degree angle | 2.414 | 59 | |
| 3644861063 | When a 45 wye and a 60 degree elbow are used, how do you find the travel length? | Rise x 2 | 60 | |
| 3644938761 | PSI = | H x 0.434 e.g. A stack 42 feet high above a test plug is filled with water. Determine the PSI on the test plug. 42 x 0.434 = 18.228 psi | 61 | |
| 3644940907 | Height | PSI x 2.304 e.g. How high will 25 psi lift water? 25 x 2.304 = 57.600 feet | 62 | |
| 3644957426 | Converting PSI constant to height necessary to produce 1 PSI | find the reciprocal of constant (.434) 1/.434 = 2.304 | 63 | |
| 3645536746 | Finding total pounds of force | 1) Find psi psi = height x .434 2) find Area A= pi x r squared Multiply the 2 answers for total pounds of force. | 64 | |
| 3687163173 | Area drain | A receptor designed to collect surface for Stormwater open area | 65 | |
| 3687163174 | Building drain | The lowest piping in a drainage system that receives the discharge from stacks and horizontal fixture branches within a building that conveys sewage waste or other drainage to a building sewer beginning 3 feet outside the building wall(inside the building ) | 66 | |
| 3687163175 | Building sewer | Starting 3 feet after drain leaves the building and conveys it's discharge to a public sewer, private sewer, visual sewage disposal system for other point of disposal | 67 | |
| 3687163176 | Sheet and tubular brass for general use shall not be less than ___ oz per sq ft | 12 oz per sq foot | 68 | |
| 3687163177 | Sheet and tubular brass for flashing or vent pipes shall not be less than _____oz per sq ft | 8 oz per sq foot | 69 | |
| 3687163178 | Sheet and tubular brass for traps and trap arms shall not be less than what gauge? | 17 gauge | 70 | |
| 3687163179 | Sheet and tubular brass for tail pieces, dishwasher tail pieces and continuous waste shall not be less than what gauge? | 20 gauge | 71 | |
| 3687163180 | Vitrified clay pipe installed under ground shall be made __ strength with a minimum of ___ inches of earth cover | Extra strength and 12 inches of earth cover | 72 | |
| 3687163181 | Pipe sealing or lubricating compound required for threaded pipe joints shall be applied to the ___ only and be ____ and _____ | Make pipe threads and be insoluable and non toxic | 73 | |
| 3687163182 | Cast iron calked joint requirements | Firmly packed with okum or hemp and filled with molten lead not less than 1" deep and not to extend more than 1/8 inch below the rim of the hub | 74 | |
| 3687163183 | N P E stands for___? | National pipe theead | 75 | |
| 3687163184 | Solder joints in a potable water system shall contain not more than ___% lead | 0.2% | 76 | |
| 3687163185 | Stainless steel Sec. Systems shall be be made of an _____ of a material that is suitable for the intended service | Elastomeric o-ring | 77 | |
| 3687163186 | Cast iron soil pipe hub less shall be connected by a _____ and _____ and must withstand ______pounds per square inch of force for each nominal pipe diameter | Elastomeric sealing sleeve and corrosion resistant clamping device. 50 pounds per square inch | 78 | |
| 3687163187 | What color can Cpvc primer color not be? | Not orange | 79 | |
| 3687163188 | What color is 2 step Cpvc glue | Orange | 80 | |
| 3687163189 | Single step Cpvc glue must be ____ (color) | Yellow | 81 | |
| 3687163190 | Slip joints using washers or approved packing or gasket material, when installed in concealed locations, requires a _____ | Access panel | 82 | |
| 3687163191 | Slip joints using approved ground joint brass compression rings that allow adjustment of tubing but provide a ridgid joint when made up shall ________ | Not be considered a slip joint that requires access | 83 | |
| 3687163192 | Elastomeric couplings require a stop except for ___ | Repair work | 84 | |
| 3687187766 | ____ or ____ tanks shall be provided where necessary to prevent acidic or alkaline waste from entering the building drainage system. | neutralizing; dilution | 85 | |
| 3687199808 | For a shower with a single shower head, the waste outlet connection should not be less than _____ inches nominal size, and for a shower with multiple shower heads, shall not be less than ____ inches nominal size. | 1 1/2; 2 | 86 | |
| 3687211443 | Shower walls must be _____ high above the drain. | 68 inches | 87 | |
| 3687219800 | Floor drains shall have a water seal of not less than ____ inches and shall be fitted with a _____ strainer. | 2 inches; removable | 88 | |
| 3687228689 | The free open area of a floor drain strainer shall be at least ____ of the total cross sectional area of the nominal drain outlet size. | 2/3 of the nominal drain outlet size | 89 | |
| 3687236870 | When infrequently used floor drains are subject to evaporation of their trap seals, they shall either 1) be provided with a _____ inch deep trap seal or 2) be fed from a ____ device. | 4 inch deep trap seal, automatic trap priming device | 90 | |
| 3687245121 | When traps are automatically primed, the priming connection shall be ____ the weir of the trap. | above | 91 | |
| 3687249454 | Floor drains shall not be less than _____ inches nominal size. | 2 inches | 92 | |
| 3687269653 | Flushometer vacuum breaker tail pieces shall be ____ inches to the critical level of the vacuum breaker | 6 inches | 93 | |
| 3687302906 | If floor drains are located in walk-in coolers or walk-in freezers used for the storage of food or other products for human consumption, they shall be ____ connected to the sanitary drainage system. | indirectly connected | 94 | |
| 3687324290 | Drainage from swimming pools or wading pools, including pool drains, filter backwash, overflows, and pool deck drains, shall discharge indirectly through an ______ to a trapped and vented receptor. | air gap | 95 | |
| 3687340186 | No waste at temperatures above _____ degrees fahrenheit shall be discharged directly into any part of a drainage system. Such waste shall be discharged to an indirect waste receptor and means of cooling shall be provided where necessary. | 140 degrees F | 96 | |
| 3687348698 | Interconnections between two or more public water supplies shall be permitted only with the approval of whom? | the authority having jurisdiction | 97 | |
| 3687362455 | Name the 2 required backflow prevention devices for backsiphonage, non-continuous pressure, non-health hazard SAME AS required backflow prevention devices for back siphonage, non-continuous pressure, health hazard | 1. Atmospheric vacuum breaker 2. hose connection vacuum breaker | 98 | |
| 3687372073 | Name the 4 required backflow prevention devices for backsiphonage, continuous pressure, non-health hazard | 1. pressure vacuum breaker 2. spill-resistant vacuum breaker 3. backflow preventer with intermediate atmospheric port 4. double check valve assembly | 99 | |
| 3687377200 | Name the 3 required backflow prevention devices for back siphonage, continuous pressure, health hazard | 1. pressure vacuum breaker 2. spill-resistant vacuum breaker 3. reduced pressure back flow preventer assembly | 100 | |
| 3687397868 | Name the 3 required backflow prevention devices for back pressure, non-health hazard | 1. dual check back flow preventer 2. double check valve assembly 3. reduced pressure back flow preventer assembly | 101 | |
| 3687402207 | Name the 1 required backflow prevention device for back pressure, health hazard | 1. reduced pressure back flow preventer assembly | 102 | |
| 3687410899 | Double check valve assemblies, as well as RPZs, must be installed between _____ and ____ inches above the floor or working surface to provide sufficient access for periodic testing and maintenance. | 12 inches; 60 inches | 103 | |
| 3687418927 | ASSE ______ (the number) pressure vacuum breaker should not be located where water spillage from the atmospheric vent will cause a nuisance. If necessary, use ASSE ____ spill resistant vacuum breaker. | 1020 is spillage vacuum breaker; 1056 is spill resistant vacuum breaker | 104 | |
| 3687428708 | The minimum separation from a drain and water service in the ground is ____ inches. | 12 inches | 105 | |
| 3687436010 | Combination stop and waste valves or cocks shall not be installed where on water service piping? | underground | 106 | |
| 3687441793 | Where water service piping is plastic, the wall sleeve shall not be less than ____ feet long extended outside beyond the wall. | 5 feet | 107 | |
| 3687452779 | When disinfecting and flushing a potable water system, it shall be done with ______ solution. | water-chlorine solution | 108 | |
| 3687470035 | In regards to disinfecting a potable water system, the following is acceptable: 50 ppm for ____ hours or 200 ppm for ____ hours | 24 hours at 50 ppm; 3 hours at 200 ppm | 109 | |
| 3687482686 | Water distribution piping within buildings shall be sized for a maximum velocity of ___ feet per second unless the manufacturer's sizing recommendations call for the maximum velocity to be less. | 8 feet per second | 110 | |
| 3687490299 | For sizing purposes, a hose bib produces _____ gallons per minute. | 5 gpm | 111 | |
| 3687493726 | For sizing purposes, a shower produces _____ gallons per minute. | 2.5 gpm | 112 | |
| 3687495904 | For sizing purposes, a flushometer valve for water closets produces _____ gallons per minute. | 30 gpm | 113 | |
| 3687503835 | What is the longest length of a supply tube feeding a fixture? | 30 inches | 114 | |
| 3687518210 | How do you size the hot water distribution piping? | 3/4 of the cold side WSFU value | 115 | |
| 3687526462 | ____ psi is the highest pressure in a no flow condition for an appliance. | 80 psi | 116 | |
| 3687581546 | Where the discharge rate of fixtures or equipment is expressed in gallons per minute, ____ DFUs shall be allowed for each gallon per minute of flow. | 2 DFUs | 117 | |
| 3687599650 | Venting systems shall be designed and installed so that at no time will trap seals be subjected to a pneumatic pressure differential of more than _______ of water column under design load conditions. | 1 inch | 118 | |
| 3687607337 | A vent stack shall be provided for drainage stacks having ____ or more branch intervals. | 5 | 119 | |
| 3687627568 | vents shall be not less than _____ size nor less than _____ the size of the fixture drain that they serve. | 1-1/4 inch; 1/2 the size | 120 | |
| 3687637890 | Relief vents for stacks having ten or more branch intervals and relief vents for horizontal offets in such stacks shall be the ____ size as the vent stack to which they connect. | same size | 121 | |
| 3687645642 | The minimum size of vent piping installed underground shall be _____ inches. | 1-1/2 inches | 122 | |
| 3687651458 | ___ drains shall be provided around the perimeter of basements, cellars, crawl spaces, or any building space below grade. The drains shall be positioned either inside or outside of the footings and shall be of perforated or open joint approved drain tile or pipe not less than ______ inches in size. These drains shall be no less than ____ inches under the slab they are protecting. | foundation drains; not less than 3 inches; 2 inches below slab | 123 | |
| 3687676147 | The discharge from a sump pump shall be at least ____ feet away from any property line and shall not create a nuisance. | 10 feet | 124 | |
| 3687677284 | The minimum capacity of a sump pump is _____ gallons per minute at the required discharge head. | 15 gpm | 125 | |
| 3687682007 | Area drains should not be connected to ____ drains except when they are under ____ square feet. | foundation drains; 100 square feet | 126 | |
| 3687692426 | Where vertical walls drain onto roofs, an allowance based on ____ percent of the maximum projected wall area shall be added to the roof area onto which each wall drains. | 50 percent | 127 | |
| 3687715093 | The connection between the building storm drain and the building sanitary drain needs to be a horizontal wye fitting that is at least ___ feet downstream from any soil stack. | 10 feet | 128 | |
| 3687719667 | Rain water leaders installed along alleyways, driveways, or other locations where they may be exposed to damage, shall be protected by what 3 things? | 1) metal guards 2) recessed into the wall 3) constructed from ferrous alloy pipe to a point 5 feet above grade | 129 | |
| 3687728211 | Dome strainers on roof drains shall have a minimum of _______ times the area of the drain outlet connection. | 1-1/2 times | 130 |
