Plumbing Test
Equipment and appliances having an ignition source shall be elevated such that the source of ignition is not less than ___ inches above the floor in hazardous locations.
18 in. Review the new exception in this section.
Every permit issued by the code official shall expire by limitation and become null and void if work authorized is not commenced within ___ days.
180 days 180 days also for abandonment and extensions. And no permit shall be extended more than once.
Where communicating with the outdoors through horizontal ducts, each opening shall have a minimum free area of not less than 1 square inch per ___ Btu per hour of total input rating of all equipment in the enclosure.
2000 Btu per hour
There shall be at least ___ inches clearance in front of the water closet, urinal or bidet to any wall, fixture or door.
21 in.
Underground piping systems shall be installed a minimum depth of ___ inches below grade.
12 in.
When using two openings to connect indoor spaces, one opening shall commence within ___ inches of the top, and one opening shall commence within ___ inches of the bottom of the enclosure.
12 in. 12 in.
Piping for other than dry gas conditions shall be sloped not less that 1/4 inch in ___ feet to prevent traps.
15 ft.
A water closet, lavatory or bidet shall not be closer than ___ inches from its center to any side wall, partition, vanity or other obstruction.
15 in.
A pip which makes an angle of not more than 45 degrees to the vertical is known as? A. a vertical pipe B. a horizontal pipe C. an obtuse angle D. acute angle
A
A pipe which makes an angle of not more than 45 degrees to the horizontal is known as: A. a horizontal pipe B. a vertical pipe C. an acute angle D. an obtuse angle
A
According to the IPC, and disregarding exceptions, the maximum length of an appliance fuel connector shall be: A. 3' B. 4' C. 5' D. 6'
A
A joint obtained between pipe and fittings which is NOT screwed, caulked, threaded, soldered, solvent cemented, or welded is: A. field fabricated B. mechanical C. non-existent D. brazed
B
A roof mounted ari conditioner unit is condensing at the rate of 5 GPM. How much DFU? A. 4 B. 5 C. 10 D. 12
B
According to the IPC, a 120' length black malleable pipe carrying 46,000 Btuh of gas demand shall have ___ threads cut on the pipe at each fitting or joint. A. 8 B. 10 C. 12 D. 13
B
According to the International Plumbing Code, the maximum trap loading for a 2" trap is ___ DFU. A. 2 B. 3 C. 4 D. 5
B
An apartment complex of 40 units contains gas ranges and water heaters. What multiplier is used to find the derated connected load? A. .21 B. .22 C. .23 D. .24
B
Appeals may not be taken on lien matters. A. True B. False
B
Corrosive liquids shall not be discharged into the drainage system A. without being doused B. without being diluted C. not permitted D. without prior treatment
B
Hard drawn copper tubing must bear a 1/4" stripe in indelible ink to mark its type. Type L copper tubing is identified by what color stripe? A. red B. blue C. green D. yellow
B
How high above overflow tube of a tank type water closet must the ball cock be located? A. 2" B. 1" C. 3" D. 4"
B
Joints between differing pipe materials shall be: A. stainless steel adaptors B. approved adaptor fittings C. brass couplings D. schedule 80 PVC
B
The area of 4 two inch diameter pipes is approximately equal to the area of one ___ inch diameter pipe. A. 3 B. 4 C. 5 D. 6
B
To calculate CFH of gas required for an appliance, divide the maximum Btuh input of the appliance by: A. 1000 Btuh per cubic foot B. the average Btuh per cubic foot value supplied C. 1150 Btuh per cubic foot D. the minimum Btuh per cubic foot value supplied
B
What is required on a sewage ejector pump? A. backflow preventer B. gate valve & a swing check C. flow control valve D. remote shut off device
B
What is the center line rough in dimension of urinals? A. 36 inches B. 30 inches C. 20 inches D. 24 inches
B
What is the hydrostatic pressure test for a new drainage system? A. 15' of head for 15 minutes B. 10' of head for 15 minutes C. 10' of head for 30 minutes D. 15' of head for 30 minutes
B
What is the minimum clearance for 2" and less cleanout? A. 10" B. 18" C. 24" D. 12"
B
What is the requirement in the water supply when the pressure at the street exceeds 80 PSI? A. pressure regulator B. approved pressure regulator C. building occupancy permit D. an engineer's approval
B
When gas piping is installed through wood studs and is less than 1 1/4" from the nearest end of the stud, the point of passage shall be protected with a face plate not less than ___. A. 1/32 B. 1/16 C. 3/32 D. 1/8
B
Where is the critical level (c/l) on vacuum breaker when there is no marking? A. the top B. the bottom C. 6" above the top D. 6" below the bottom
B
Which of the following conditions best describes corrosion protection for fuel gas piping which is buried in the ground? I. Protected in an approved manner such as galvanizing. II. Machine wrapped with approved coating. A. I B. II C. Both I & II D. Neither I nor II
B
A 3" water main is standing full of water after a pressure test. The guage ready at the base is: A. 23.1 psi B. 28.19 psi C. 42 psi D. 18.05 psi ASSUME the main is standing with 42' of head.
B 42' x .433 = 18.19
A plastic pipe gas piping system has been installed. The developed length of the system is 27'. The total demand of the system is 375,000 Btuh. What is the minimum allowable size for the yardline? A. 5/8" B. 7/8" C. 1 1/8" D. 1 1/4"
C
According to Table G109.1.2(1) in the IPC, a 1' long semi rigid connector of 3/8" OD can carry ___ Btuh. A. 25,000 B. 35,000 C. 40,000 D. 50,000
C
How high above the floor of a garage must a water heater be installed? A. 12" B. 16" C. 18" D. 24"
C
The measured length along the centerline of the pip and its fittings is? A. true length B. measured length C. developed length D. actual length
C
What is the test for a sanitary sewer? A. test is not required B. 3 PSI for 5 minutes C. 10 feet of head for 15 minutes D. completely fill the sewer with water from highest to lowest point
C
What is the unintended flow of liquid into potable water called? A. poor plumbing B. cross connection C. backflow D. direct connection
C
Which of the following traps are permitted by special permission? A. bell B. S C. drum D. crown vented trap
C
According to the International Plumbing Code, no underfloor cleanout in any residential occupancy shall be located more than ___ from an access door, trap door, or crawl hole. A. 30' B. 25' C. 20' D. 35'
C Although the Code does not directly address this distance 20' is the recommended distance.
Which of the following codes has been adopted as the plumbing code for Oklahoma? A. UPC B. IPC C. 1997 UPC D. 1997 IPC
D
How many BTUs are required to heat 30 gallons of water from 55 to 95 degrees F? A. 1200 B. 8976 C. 9960 D. 12960
D Btu = Pounds of water X change in temperature in degrees F. 30 gallons X 8.33 pounds per gallon X 40 degrees F. 30 X 8.33 X 40 = 9960 BTU
What is the PSI at the bottom of the drainage pipe if the test for a 4" drainage system is 30' of head? A. 15 psi B. 14 psi C. 13 psi D. 12 psi
D PSI = feet of head x .433 30 (feet of head) x .433 = 12.99
Where directly communicating with the outdoors, each opening shall have a minimum free area of 1 square inch per ___ Btu per hour of total input rating of all equipment in the enclosure.
4000 Btu per hour Or where communicating with the outdoors through vertical ducts.
The wall area above built in tubs with installed shower heads shall be constructed of smooth, noncorrosive and nonabsorbent waterproof materials to a height not less than ___ feet above the room floor level.
6 ft.
.43 PSI = How many Feet of Head? A. 1 B. 2.31 C. 4.4 D. 43
A
A multimeter would test for which of the following? A. current B. CFM C. CFH D. gallons per hour
A
A yellow insulated copper tracer wire or other approved conductor shall be installed ___ to underground nonmetallic piping.
adjacent The tracer wire size shall not be less than 18 AWG and the insulation type shall be suitabl for direct burial.
Panels, grilles, and access doors that are required to be removed for normal servicing operations shall not be ___ to the building.
attached
Manufacturer's installation instructions shall be ___ on the job site at the time of inspection.
available
The purpose of this code is to provide ___ standards to safeguard life or limb, health, property and public welfare.
minimum
Concealed piping shall ___ be located in solid partitions and solid walls, unless installed in a chase or casing.
not
Piping shall ___ be installed in or through a circulating air duct, clothes chute, chimney or gas vent, ventilating duct, dumbwaiter, or elevator shaft.
not
A ___ shall not be required for the clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets.
permit Provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures. Review this section, you might save some money on unnecessary permits.
Unless otherwise provided in this code, ___ water shall be supplied to all plumbing fixtures.
potable
Metallic pipe bends shall be made only with bending equipment and procedures intended for that ___.
purpose Review the other 4 requirements in this section.
The entire length of a vent connector shall be provided with ___ ___ for inspection, cleaning, and replacement.
ready access
Attics containing appliances requiring access shall be provided with an opening and unobstructed passageway large enough to allow ___ of the largest component of the appliance.
removal
Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements. the most ___ shall govern.
restrictive
A device that ___ the flow of vent gases shall not be installed in a vent connector, chimney, or vent.
retards
The holder of the permit shall be responsible for the ___ of inspections.
scheduling
Each appliance shall be provided with a shutoff valve ___ from the appliance.
separate
A vent connector shall be as ___ as practical and the equipment located as close as practical to the chimney or vent.
short
The vent connector shall be routed to the vent utilizing the ___ possible route.
shortest
Plastic pipe shall be installed outside ___ only.
underground
Additions, alterations or repairs shall not cause an existing installation to become ___, hazardous or overloaded.
unsafe
Rough in inspection shall be made after the roof, framing, fireblocking, firestopping, draftstopping and bracing is in place and all sanitary, storm and water distribution piping is roughed in, and prior to the installation of ___ or ___ membranes.
wall ceiling
Waste outlets serving showers shall be at least ___ inches in diameter.
1 1/2 in.
Vent pipes shall not be less than ___ inch in diameter.
1 1/4 in.
Domestic food wasted grinders shall be connected to a drain of not less than ___ inches in diameter.
1.5 in.
The maximum flow rate for a water closet is ___ gallons per flushing cycle.
1.6 gallons per flush
The number of threads to be cut in 3/4" iron pipe is ___?
10 Review and know how to use this table.
If the design and free area of louvers are not known, it shall be assumed that wood lovers will have ___ - percent free area.
25 %
The minimum dimension of air openings shall be not less than ___ inches.
3 in.
Water closet compartments shall not be less than ___ inches wide or ___ inches deep.
30 in. x 60 in.
One permanent opening shall have a minimum free area of 1 square inch per ___ Btu per hour of the total input rating of all equipment located in the enclosure.
3000 Btu per hour And not less than the sum of the areas of all vent connectors in the space.
Threaded fittings in sizes larger than ___ inches shall not be used except where approved.
4 in. Review this section for more fitting requirements.
Appliance shutoff valves shall be located in the same room as the appliance, not further than ___ feet from the appliance.
6 ft. And shall be installed upstream from the union, connector or quick disconnect device it serves. Such shutoff valves shall be provided with access.
Appliances located in private garages shall be installed with a minimum clearance of ___ feet above the floor.
6 ft. Read the exception in this section.
For unlisted equipment having draft hoods, the thimble shall be not less than ___ inches larger in diameter than the vent connector.
6 in.
In each bathroom or toilet room, urinals shall not be substituted for more than ___ percent of the required water closets.
67 %
If the design and free area of louvers are not known, it shall be assumed that metal louvers and grilles will have ___ - percent free area.
75 %
Appliances located in public garages, service stations, repair garages or other areas frequented by motor vehicles, shall be installed a minimum of ___ feet above the floor.
8 ft. Read the exception in the section.
Rooms containing appliances requiring access shall be provided with a door and unobstructed passageway measuring not less than 36 inches wide and ___ inches high.
80 in. Read the exception in this section regarding within dwelling units.
According to the International Plumbing Code, the horizontal wet venting of sinks or floor drains by means of a common waste and vent pipe, adequately sized to provide free movement of air above the flow line is __. A. combination waste and vent system B. wet drain section C. wet vent section D. combination drain section
A
An excavated trench 30' long, 3' wide and 2' deep. If soil swell is ignored, how much clean fill is required to fill the trench? A. 6-7 cubic yards B. 7-8 cubic yards C. 8-9 cubic yards D. 9-10 cubic yards
A
Any person agains whom a lien claim is filed may at any time upon ___ days written notice ___ with the ___. A. 3, post a bond, county clerk B. 5, pay the balance due, certified check C. 3, form an escrow account, bank D. 5, post a bond, county clerk
A
How high above a fixture must the critical level (c/l) of the vacuum breaker be? A. 6" B. 4" C. 2" D. 3"
A
How is the vent from an indirect waste pipe run to the outside? A. separately, unconnected B. within an approved partition C. vertically only D. may be jointed to another vent prior to exiting the roof as long as the joining is above the ceiling
A
If the claim be for the planting of any trees, vines, plants or hedge, the lien must be filed within 4 months of the ___. A. planting B. purchase C. contract signing D. delivery
A
The person upon whom a lien is placed, if he loses, my pay reasonable attorney's fees and all court costs. A. True B. False
A
What is considered excessive water pressure? A. over 80 PSI B. over 70 PSI C. over 75 PSI D. over 15 PSI
A
What is meant by having access without removing a panel? A. readily accessible B. accessible C. not accessible D. panel access
A
What is the air pressure test for a new water piping system? A. 50 PSI for 30 minutes B. 15 PSI for 15 minutes C. 40 PSI for 15 minutes D. 12 PSI for 30 minutes
A
What is the corresponding feet of head in a sprinkler system whose pressure is 40 PSI? A. 93 B. 112 C. 117 D. 116
A Feet of head is 2.31 x PSI 40 x 2.325= 93
According to the IPC, the maximum length of a fuel connector to a dryer is: A. 3' B. 4' C. 5' D. 6'
D
According to the International Plumbing Code, copper piping may be installed in wood studs, joists and rafters by using all of the following penetration methods except: A. notch 1 1/2" deep B. bored hole no closer than 1 1/2" from edge C. bored hole 1 1/4" from the edge with a 1/16" steel protective shield D. notch of 1 1/4" deep
D
According to the International Plumbing Code, when plastic piping is installed in a concealed location and passing through a stud joist or rafter, the piping may not pass any closer than ___ inches from the edge of the wood member. A. 3/4 B. 1 C. 1 1/4 D. 1 1/2
D
Premiums for workers' compensation are based on all of the following except: A. associated with the business B. type of business C. employer's annual payroll D. age of employee
D
What causes backflow? A. positive pressure B. drainage pipe running uphill C. drainage pipe not properly sloped D. back pressure
D
What is the approximated number of threads for a 2 1/2" schedule 40 pipe which will be used in a fuel gas piping system? A. 9 B. 10 C. 11 D. 12
D
What is the arrangement of pipes or fixtures whereby backflow can occur called? A. vacuum breaker B. backflow C. backwater connection D. cross connection
D
What is the minimum clearance for cleanouts in piping larger than 8"? A. 12" B. 18" C. 24" D. 36"
D
What is the minimum depth of a trap seal? A. 3 1/2" B. 4" C. 3" D. 2"
D
What is the vertical pip between any 2 consecutive inlet levels of a drainage system called? A. stack vent B. combination wet vent section C. combination drain & vent D. wet vent section
D
What kind of vertical piping requires the fewest number of supports? A. soldered B. brazed C. welded D. steel
D
What size circle must a shower stall be able to encompass? A. 48" B. 24" C. 36" D. 30"
D
When may a vertical waste pipe be used as a combination waste & vent? A. when used for a shower B. not permitted C. when used in a tub D. as a tailpiece
D
Any location considered to be a fire hazard for flammable vapors, dust, combustible fibers or other highly combustible substances.
Hazardous Location The location is not necessarily categorized in the building code as a high-hazard use group classification.
The notice to the owner that a lien can be placed, shall include ___. A. a general statement to this fact. B. specific language as stated in Ch. 3 of the OK lien laws. C. your contractor license number D. the owner's and contractor's name
OK Lien law section 142.1
Having ___ (To) appliances or equipment may first require the removal or movement of a panel, door or similar obstruction.
access Know the difference between this and "Ready access."
Where combustion air is provided by the building's mechanical ventilation system, the system shall provide the specified combustion air rate in ___ to the required ventilation air.
addition
Surface bodies of water and land cisterns shall not be sources of individual water supply unless properly treated by approved means to prevent ___.
contamination
The building official shall have the authority to authorize ___ of utility service in case of emergency where necessary to eliminate an immediate hazard to life or property.
disconnection
The code official shall have the authority to authorize ___ of utility service to the building, structure or system regulated by the technical codes in case of emergency, where necessary, to eliminate an immediate danger to or property.
disconnection
Underground piping, where installed below grade though the outer foundation or basement wall of a building, shall be ___ in a protective pipe sleeve.
encased
A drip shall not be located where the condensate is subject to ___.
freezing
The maximum vent connector horizontal length shall be 1 1/2 feet for each ___ of connector diameter.
inch
Application for a permit shall be made by the person or agent to ___ all or part of any plumbing system.
install