WorksheetsChapter 06 2021 UPC
Total questions: 64
Worksheet time: 32mins
Name
Class
Date
1.
1. A _________ joint is an example of a mechanical joint for CPVC plastic pipe.
a)
a. welded
b)
b. soldered
c)
c. solvent welded
d)
d. flanged
2.
2. In occupancies where plumbing fixtures are installed for ________, hot water shall be required for bathing and washing purposes.
a)
a. public use
b)
b. commercial use
c)
c. private use
d)
d. daycare facilities
3.
3. The code requirement for an adequate supply of potable running water is for ___________________.
a)
a. safety and sanitation
b)
b. protection of trap seals
c)
c. water-cooled equipment
d)
d. hydronic systems
4.
4. Except as required in Sections 1610.0 and 1617.0, non-potable water systems shall have a _____________ with black uppercase lettering, with the words "CAUTION: NON-POTABLE WATER, DO NOT DRINK."
a)
a. white background
b)
b. blue background
c)
c. green background
d)
d. yellow background
5.
5. _____ systems shall be clearly identified, have a purple background with uppercase yellow lettering.
a)
a. Gray water
b)
b. Reclaimed (recycled) water
c)
c. Rainwater catchment;
d)
d. None of those listed
6.
6. Each outlet on a non potable water system that is used for special purposes shall be posted _____.
a)
a. DANGER – PROCESSED WATER
b)
b. DANGER – CONTAMINATED WATER
c)
c. DANGER – POLLUTED WATER
d)
d. CAUTION – NON POTABLE WATER DO NOT DRINK
7.
7. The primary reason for installing backflow prevention assemblies is to ________________________.
a)
a. prevent excessive pressure
b)
b. prevent mixing of hot and cold water
c)
c. prevent pollution or contamination of the potable water supply
d)
d. prevent scalding
8.
8. All backflow devices or assemblies shall be tested by a __________________________.
a)
a. licensed agent
b)
b. representative from the Authority Having Jurisdiction
c)
c. Department of Health certified backflow tester
d)
d. third-party certified agency
9.
9. Backflow prevention devices installed in the water supply line to steam boilers shall be installed ________________________.
a)
a. 6 inches above the floor
b)
b. 6 inches above the boiler
c)
c. 12 inches above the floor
d)
d. 12 inches above the boiler
10.
10. Ballcocks in water closet tanks shall be installed so that the critical level of the water inlet is above the full opening of the overflow pipe at least ________________________.
a)
a. 1/2 inch
b)
b. 1 inch
c)
c. 3 inches
d)
d. 6 inches
11.
11. Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker above the point specified.
Above the overflow rim of a vat: __________
a)
a. 1 inch
b)
b. 2 inches
c)
c. 6 inches
d)
d. 12 inches
12.
12. Which of the following is an approved method of protecting the water supply for a chemical dispenser?
a)
a. Double check assembly
b)
b. Air gap
c)
c. Check valve
d)
d. Not needed
13.
13. Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker critical level above the point specified.
Above the overflow rim of a tank, vat or swimming pool: _____
a)
a. 1 inch
b)
b. 2 inches
c)
c. 6 inches
d)
d. 12 inches
14.
Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker above the point specified.
Above the highest part of a urinal equipped with a flushometer valve _____.
a)
a. 1"
b)
b. 3"
c)
c. 6"
d)
d. 12"
15.
14. Copper water tube Type “M” may be installed within a building _____________________.
a)
a. below slab only
b)
b. above ground only
c)
c. for cold water only
d)
d. if it is wrapped
16.
15. Hard-drawn copper tubing, marked with a blue stripe, is referred to as _____.
a)
a. Type “K ”
b)
b. Type “L ”
c)
c. Type “M ”
d)
d. Type “DWV ”
17.
16. The color stripe on Type “K” hard-drawn copper tubing is ______________.
a)
a. green
b)
b. blue
c)
c. red
d)
d. yellow
18.
17. Cast-iron fittings, up to and including two inches in size, when used in connection with potable water piping, shall be ________________________.
a)
a. extra heavy
b)
b. flanged
c)
c. disallowed
d)
d. galvanized
19.
18. All malleable iron water fittings shall be ________________________.
a)
a. 2 inch or smaller
b)
b. galvanized
c)
c. flanged
d)
d. removed
20.
19. Plastic materials for _____ piping outside underground shall be an electrically continuous corrosion resistant blue insulated copper tracer wire or other approved conductor installed adjacent to the piping.
a)
a. building supply
b)
b. well
c)
c. irrigation
d)
d. hose bibb
21.
20. Copper or stainless steel flexible connectors for water heater connectors shall be limited to _____.
a)
a. 12 inches
b)
b. 18 inches
c)
c. 24 inches
d)
d. 36 inches
22.
21. PEX tubing shall not be installed within the first ____ of piping connected to a water heater.
a)
a. 12 inches
b)
b. 18 inches
c)
c. 24 inches
d)
d. 36 inches
23.
22. When brazing, the alloys shall have a melting temperature of at least ___ degrees F.
a)
a. 800
b)
b. 840
c)
c. 1,000
d)
d. 1,200
24.
23. Flaring tools are used to make joints for________________________.
a)
a. hard Type K copper tubing
b)
b. soft copper water tubing
c)
c. yellow brass water piping
d)
d. aluminum water piping
25.
24. A push fit fitting is _____________________.
a)
a. assembled using excessive force.
b)
b. assembled by pushing a tube / pipe into a fitting and is sealed by an o-ring.
c)
c. prohibited by code.
d)
d. permitted to be installed in accessible locations only.
26.
25. Solder and fluxes used in piping systems conveying potable water are prohibited when the lead content exceeds_____________________.
a)
a. 0.2 of 1 percent
b)
b. 0.5 of 1 percent
c)
c. 1 percent
d)
d. less than 10 percent
27.
26. Surfaces to be joined by soldering or brazing shall be cleaned bright by _____________________.
a)
a. mechanical or manual means
b)
b. a self-cleaning flux
c)
c. a corrosive flux
d)
d. sulfuric acid
28.
Fittings that employ a quick assembly push fit connector shall comply with _____.
a)
a. ASSE 1053
b)
b. ASSE 1061
c)
c. ASSE 1069
d)
d. ASSE 1079
29.
27. The minimum wall thickness for threaded plastic pipe shalI be _____________________.
a)
a. Schedule 40
b)
b. ScheduIe 80
c)
c. 1/8 inch
d)
d. 1/16 inch
30.
28. Pipe joint material shall be insoluble in water, nontoxic, and applied _____.
a)
a. on male threads only
b)
b. on pipe threads and inside fittings
c)
c. on inside fitting threads only
d)
d. in warm weather onIy
31.
29. Heat fusion weld joints _________________________
a)
a. are used in some thermoplastic systems.
b)
b. are low temperature, metallic weld joints.
c)
c. require prior approval of an AHJ.
d)
d. may be used in drainage systems but not pressure systems.
32.
30. PVC water pipe that is smaller in diameter than 24 inches that is exposed to direct sunlight shall be protected by a wrap of no less than ______ of an inch to protect the piping from UV degradation.
a)
a. .04
b)
b. .05
c)
c. .07
d)
d. .09
33.
31. Water valves 2-1/2 inches and larger may have bodies that are ________________________.
a)
a. galvanized
b)
b. die-cast
c)
c. aluminum core
d)
d. cast iron
34.
32. The type of valve required on a building supply to any building is a ________________________.
a)
a. fullway valve
b)
b. corporation valve
c)
c. butterfly valve
d)
d. globe valve
35.
33. Immediately ahead of each water-supplied appliance and each slip joint or nonmetallic water supply connection is required a ________________________.
a)
a. control valve
b)
b. check valve
c)
c. backwater valve
d)
d. solenoid valve
36.
34. After allowing for friction and other pressure losses, the residual water pressure shall be at least _______.
a)
a. .433 psi
b)
b. 7.5 psi
c)
c. 15 psi
d)
d. 29 psi
37.
35. Whenever fixtures and/or fixture fittings are installed that require a residual water pressure higher than 15 pounds per square inch _____.
a)
a. that minimum pressure shall be provided
b)
b. provisions shall be made to use fixtures that do not require higher residual pressure
c)
c. the piping system shall be not less than copper tubing Type L
d)
d. any of these apply
38.
36. A water piping system with a pressure of 110 psi will require a(an) ________________________.
a)
a. reduced pressure backflow device
b)
b. extra-heavy pipe and fittings
c)
c. pressure regulator and strainer
d)
d. pressure-relief valve
39.
37. Combination temperature and pressure relief valves shall be installed ________________________.
a)
a. based on their listing requirements and the manufacturer’s instructions
b)
b. within 3 inches to 6 inches of the water heater
c)
c. in lieu of pressure-relief valves
d)
d. on all non-storage-type water heaters
40.
A water distribution system with a device or arranged in a way that prevents dissipation of building pressure back into the water main shall be provided with an approved, listed, and adequately sized _____ or other approved device
a)
a. double-check valve
b)
b. expansion tank
c)
c. temperature & pressure relief valve
d)
d. PRV
41.
39. Discharge piping serving a pressure-relief shall be provided with a _____.
a)
a. full size drain
b)
b. check valve to prevent backflow
c)
c. trapped drain line
d)
d. drain that terminates 30 inches or more above grade
42.
40. Discharge from a relief valve into a water heater pan shall be ______________.
a)
a. permissible under any conditions
b)
b. Permissible if the pan has a 1” drain to an approved location
c)
c. prohibited
d)
d. prohibited if seismically strapped
43.
41. Changes in direction of copper tubing may be made with _______________________.
a)
a. bending equipment
b)
b. heat annealing
c)
c. metallic fittings
d)
d. plastic fittings
44.
42. Water piping may be installed in the same trench with less than 12 inches of separation from a building sewer constructed of _____.
a)
a. cast iron
b)
b. clay
c)
c. asbestos cement
d)
d. bituminized fiber
45.
43. Galvanized steel piping installed under a concrete floor slab within a building shall________________.
a)
a. have a machine-applied coating
b)
b. have a spiral wrap
c)
c. be installed without joints
d)
d. be installed with brazed joints
46.
44. Copper tubing used for water piping under a concrete slab within a building shall be _______________.
a)
a. installed with brazed joints with cast brass fittings
b)
b. protected with a factory-applied coating
c)
c. installed without joints where possible
d)
d. installed with Type K copper tube with brazed joints
47.
45. The duration for a water system pressure test shall be for a period of not less than ____ minutes?
a)
a. 5
b)
b. 10
c)
c. 15
d)
d. 30
48.
46. Except for plastic piping, water piping systems may be tested with ________________________.
a)
a. 10 psi air pressure
b)
b. 50 psi air pressure
c)
c. 10 psi CO2
d)
d. 60 psi CO2
49.
47. ______ Water piping systems shall be permitted to be tested with air.
a)
a. PVC
b)
b. PEX
c)
c. CPVC
d)
d. PB
50.
48. Unions shall be installed in a water supply system within 12 inches of _____.
a)
a. water heating tanks
b)
b. conditioning tanks
c)
c. regulating equipment
d)
d. all of these
51.
49. The distance between a water heater and the union on the water lines shall not be more than ________________________.
a)
a. 6 inches
b)
b. 12 inches
c)
c. 18 inches
d)
d. 24 inches
52.
50. The quantity of water required to be supplied to every plumbing fixture shall be represented by ________________________.
a)
a. gallons per minute
b)
b. feet per second
c)
c. fixture units
d)
d. available head pressure
53.
What is the total hot demand in fixture units and minimum pipe size for a branch serving a domestic kitchen sink with a domestic dishwasher?
a)
a. 3 fixture units & 1/2” pipe
b)
b. 2.5 fixture units & 1/2” pipe
c)
c. 1.5 fixture units & 1/2” pipe
d)
d. None of these
54.
51. Water piping systems shall be designed on the basis of the _____.
a)
a. maximum pressure
b)
b. minimum pressure
c)
c. average residual pressure
d)
d. average service pressure
55.
52. The available pressure at the water meter is 80 psi. At the highest supply outlet, 36 feet above the water meter, the pressure would be _____ psi when sizing a water system according to Chapter 6.
a)
a. 62
b)
b. 44
c)
c. 116
d)
d. 80
56.
53. Building supplies shall be no smaller than that required for the installation and, in no case, smaller than ________________________.
a)
a. 1/2 inch
b)
b. 3/4 inch
c)
c. 1 inch
d)
d. 2 inches
57.
54. Other than systems sized by the use of Table 610.3, the maximum velocity of a cold water system containing copper and copper alloy tube and fittings shall be limited to ________________________.
a)
a. 5 feet per second
b)
b. 8 feet per second
c)
c. 10 feet per second
d)
d. 15 feet per second
58.
55. The size and material of irrigation water piping installed outside of any building and separated from the potable water supply by means of an approved backflow prevention device is __________________.
a)
a. regulated by code
b)
b. not regulated by code
c)
c. regulated by the National Sanitation Foundation
d)
d. regulated by the American Society of Sanitary Engineers
59.
56. Any water heater connected to a separate storage tank and having valves between the heater and tank shall be provided with a _____.
a)
a. fulIway valve
b)
b. fulIway gate valve
c)
c. water pressure regulator
d)
d. water pressure-relief valve
60.
57. Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker above the point specified.
Above all downstream piping for lawn sprinkler system atmospheric vacuum breakers: _________
a)
a. 1 inch
b)
b. 6 inches
c)
c. 12 inches
d)
d. 24 inches
61.
58. The piping material not approved in the code for water piping located inside a building is ___________.
a)
a. PVC
b)
b. PE
c)
c. asbestos cement
d)
d. All of these answers
62.
59. CPVC water pipe may be used for hot and cold water distribution systems _________________.
a)
a. in residences only
b)
b. within a building
c)
c. belowground only
d)
d. aboveground only
63.
60. When over what static building pressure does the system require a pressure reducing valve with a strainer?
a)
a. 70 PSI
b)
b. 80 PSI
c)
c. 100 PSI
d)
d. 120 PSI
64.
61. What determines when the building requires a backflow valve?
a)
a. pipe size
b)
b. building size
c)
c. water pressure
d)
d. environmental hazards
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