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Жұмыс парақтары2018 Plumbing Final Exam Study Quiz 1: 85 Q IPC IFGC
Total сұрақ: 85
Worksheet time: 2hrs 33mins
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1.
19. When a fixture is individually vented, the vent connects to __________.
a)
a. a drain receiving the discharge from more than one fixture drain
b)
b. the fixture branch receiving the discharge
c)
c. the fixture drain of the trapped fixture
d)
d. a minimum 1 1/2- inch drain
e)
Sec. 910.1
2.
06. The minimum burial depth of exterior water service piping is __________ inches below grade.
a)
a. 6
b)
b. 12
c)
c. 24
d)
d. 30
e)
Sec. 305.4
3.
19. What is the minimum access opening size required for a water heater installed in an attic?
a)
20 inches by 30 inch
b)
b. 20 inches by 24 inches
c)
c. 24 inches by 30 inches
d)
d. 30 inches by 30 inches
e)
Sec. 502.3
4.
06. A hub drain receiving the discharge from an ice storage bin through an air gap and connected to the sanitary drainage system is not required to __________.
a)
6. a. be trapped and vented
b)
6. be equipped with a removable strainer
c)
6. c. be designed and installed to prevent splashing
d)
6. d. extend a minimum of 1 inch above the surrounding floor
e)
Sec. 802.4
5.
12. The minimum air gap required for a whirlpool tub filler spout with a 1-inch diameter effective opening that is located away from sidewalls is...
a)
One inch
b)
1.5 inches
c)
2 inches
d)
2.5 inches
e)
Sec. 608.16.1
6.
19. Water supply lines and fittings for every plumbing fixture shall be installed so as to prevent __________.
a)
condensation
b)
backflow
c)
vibration
d)
expansion
e)
Sec. 405.1
7.
When the maximum allowable water pressure within a building is exceeded, a...is required.
a)
flow control valve vented
b)
pressure reducing valve
c)
In-line pressure balancing valve
d)
Pressure relief valve
e)
604.8
8.
09. A...backflow prevention assembly is not approved for protection of the potable water supply to an automatic fire sprinkler system.
a)
Pressure vacuum breaker
b)
Reduced pressure principle Fire Protection
c)
double check
d)
Double check Fire Protection
e)
Sec. 608.17.4
9.
13. The discharge pipe of a sewage ejector connecting to horizontal drainage piping shall be connected through a __________.
a)
a. wye fitting into the side of the drainage piping
b)
b. sanitary tee into the side of the drainage piping
c)
c. sanitary tee into the top of the drainage piping
d)
d. wye fitting into the top of the drainage piping
e)
Sec. 712.3.5
10.
19. One inch cross-linked polyethylene (PEX) piping installed horizontally requires hangers at intervals not greater than __________ inches.
a)
48
b)
36
c)
32
d)
24
e)
Table 308.5
11.
05. The vent or branch vent for multiple island fixture vents shall extend to a minimum of __________ inches above the highest island fixture being vented before connecting to the outside vent terminal.
a)
a. 3
b)
b. 4
c)
c. 6
d)
d. 12
e)
Sec. 916.2
12.
16. Water or air pressure tests on piping systems must be held for not less than __________ minutes.
a)
15
b)
30
c)
10
d)
20
e)
Secs. 312.2 through 312.8
13.
08. A vertical distance of __________ feet or more between the connections of horizontal branches to a drainage stack is a branch interval.
a)
a. 7
b)
b. 8
c)
c. 9
d)
d. 10
e)
Sec. 202
14.
04. All of the following are requirements for trap design and installation, except__________.
a)
a. the trap must be level
b)
b. elastomeric slip joints are allowed only on the trap inlet
c)
c. the trap seal must have a two- to four-inch liquid depth
d)
d. trap seal protection is required for emergency floor drains
e)
Secs. 1002.2, 1002.4, 1002.4.1 and 1002.7
15.
02. The provisions of the appendices do not apply unless __________.
a)
a. referenced in the code
b)
b. applicable to specific conditions
c)
c. specifically adopted
d)
d. relevant to fire or life safety
e)
Sec. 102.2
16.
25. A minimum clearance of __________ inches is required in front of a cleanout for a 2- inch drainage pipe.
a)
a. 12
b)
b. 18
c)
c. 24
d)
d. 30
e)
Sec. 708.1.9
17.
11. The code official shall be appointed by the __________.
a)
a. chief appointing authority
b)
b. building official
c)
c. director of the plumbing inspection department
d)
d. jurisdiction attorney
e)
Sec. 103.2
18.
22. The drain line size for condensate from evaporators and cooling coils shall be not less than __________ -inch internal diameter.
a)
1/2"
b)
5/8"
c)
3/4"
d)
3/8"
e)
Sec. 314.2.2
19.
25. An air admittance valve shall be installed a minimum of __________ inches above insulation materials.
a)
a. 8
b)
b. 6
c)
c. 4
d)
d. 2
e)
Sec. 918.4
20.
10. Which of the following pipe materials is not suitable for joining by a heat fusion method?
a)
polyethylene
b)
polyolefin
c)
polyvinylidene fluorid
d)
borosilicate
e)
Secs. 705.7, 705.12.1, 705.13.1, 705.14.1
21.
09. A water closet must be set no closer than __________ inches to a lavatory when measured center to center of the fixtures.
a)
30
b)
15
c)
21
d)
28
e)
Sec. 405.3.1
22.
10. The __________ is responsible for performing tests on plumbing piping systems.
a)
code official
b)
owner
c)
person doing the work
d)
permit holder
e)
Sec. 312.1
23.
23. The board of appeals is not authorized to rule on an appeal based on a claim that __________.
a)
a. the provisions of the code do not fully apply
b)
b. a code requirement should be waived
c)
c. the rules have been incorrectly interpreted
d)
d. a better form of construction is proposed
e)
Sec. 109.1
24.
25. A water temperature limiting device shall be provided to limit the water supplied to a whirlpool bathtub to a maximum of __________.
a)
110°F
b)
115°F
c)
120°F
d)
125°F
e)
Sec. 412.5
25.
06. Which of the following devices is not approved for isolating a high-hazard cross-connection?
a)
spill resistant vacuum breaker assembly
b)
Double check backflow prevention assembly
c)
Hose connection vacuum breaker
d)
Reduced pressure principle backflow prevention assembly
e)
Table 608.1
26.
15. The valve on the cold water supply to a water heater shall not __________.
a)
be a full-open type
b)
b. serve any other fixture
c)
c. be adjacent to the water heater
d)
d. be located more than 24 inches from the water heater
e)
Sec. 503.1
27.
01. A __________ is required to discharge indirectly through an air gap to the sanitary drainage system.
a)
1. a. food-preparation sink
b)
1. b. pots-and-pans sink
c)
1. c. domestic dishwashing machine
d)
1. d. commercial dishwashing machine
e)
Sec. 802.1.1
28.
11. Which of the following transition fitting materials is approved for a connection between copper or copper-alloy and galvanized steel piping?
a)
Plastic
b)
copper alloy
c)
Galvanized steel
d)
Stainless steel
e)
605.23.1
29.
15. Island fixture venting is not permitted for a __________.
a)
a. sink
b)
b. clothes washer standpipe
c)
c. lavatory
d)
d. residential kitchen sink with a food waste disposer and dishwasher
e)
Sec. 916.1
30.
22. In a horizontal wet-vent system, how many wet-vented fixture drains are allowed to discharge upstream of the dry vent connection?
a)
a. none
b)
b. one
c)
c. two
d)
d. three
e)
Sec. 912.2.1
31.
09. Tests performed by __________ may be required by the code official where there is insufficient evidence of code compliance.
a)
a. the owner
b)
b. the contractor
c)
c. an approved agency
d)
d. a design professional
e)
Sec. 105.3.2
32.
21. In general, water service pipe shall be separated horizontally from the building sewer by a minimum of…feet of undisturbed or compacted earth.
a)
3
b)
4
c)
5
d)
6
e)
603.2
33.
23. An indirect waste pipe that discharges through an air break must terminate above the __________ of the waste receptor.
a)
23. a. flood level rim
b)
23. b. trap seal
c)
23. c. critical level
d)
23. d. strainer dome
e)
Sec. 802.3.2
34.
03. 1/2" CPVC water pipe installed horizontally shall be supported at maximum intervals of __________ feet.
a)
6
b)
5
c)
4
d)
3
e)
Table 308.5
35.
03. The maximum retention time for untreated gray water in a collection reservoir is __________ hours.
a)
a. 24
b)
b. 48
c)
c. 36
d)
d. 72
e)
Sec. 1302.6
36.
15. Who is responsible for inspection scheduling?
a)
a. the permit holder
b)
b. the code official
c)
c. the contractor
d)
d. the owner
e)
Sec. 107.2
37.
08. Concealed slip joint connections require an access panel not less than __________inches in the smallest dimension.
a)
20
b)
18
c)
12
d)
10
e)
Sec. 405.9
38.
18. Horizontal 6-inch PVC drainage piping installed above ground requires __________
a)
support
b)
sway bracing
c)
restraint
d)
expansion fittings
e)
Sec. 308.7.1
39.
13. A 31/2-inch by 4-inch rectangular vertical leader for storm drainage is approved for draining a maximum flow rate of __________ gallons per minute (gpm).
a)
a. 92
b)
b. 192
c)
c. 360
d)
d. 563
e)
Table 1106.3
40.
05. The approved methods for preventing rodents from entering a structure do not include __________.
a)
a. caulking
b)
b. strainer plates
c)
c. building traps
d)
d. meter box design
e)
Sec. 304
41.
11. Substances that are detrimental to the sewer system are prevented from being discharged into the drainage system by __________ .
a)
a. filters
b)
b. strainers
c)
c. traps or backwater valve
d)
d. interceptors or separators
e)
Sec. 1003.1
42.
10. For water piping adjacent and parallel to a wall footing, and installed at a depth of 12 inches below the bottom of the footing, the trench shall be located not less than __________ inches horizontally from the footing.
a)
a. 24
b)
b. 12
c)
c. 6
d)
d. 18
e)
b Sec. 307.5
43.
10. A __________ is not required for a sewage sump and ejector.
a)
a. pump alarm
b)
b. vent
c)
c. check valve
d)
d. full open valve
e)
Secs. 712.2 and 712.3.2
44.
21. When a bathroom group is served by a horizontal wet vent, fixtures that are not within a bathroom group are required to connect __________.
a)
a. upstream from the horizontal wet vent
b)
b. downstream of the horizontal wet vent
c)
c. independently to the horizontal wet vent
d)
d. at an elevation above the water closet connection
e)
Sec. 912.1
45.
23. Removable strainers at waste outlets of showers shall be not less than __________inches in diameter.
a)
3
b)
2
c)
5
d)
4
e)
Sec. 421.3
46.
06. When required to discharge to a combined building sewer system, floor drains in a __________ are not required to be individually trapped.
a)
a. food preparation facility
b)
b. multilevel parking garage
c)
c. warehouse
d)
d. factory
e)
Sec. 1002.1, Exception 4
47.
15. The initial backfill over pipe installed in a trench shall be in maximum __________ layers of loose earth.
a)
a. 4-inch
b)
b. 6-inch
c)
c. 8-inch
d)
d. 12-inch
e)
Sec. 306.3
48.
15. On construction sites, __________ are required for workers.
a)
water dispensers
b)
emergency showers
c)
emergency eye washes
d)
toilet facilities
e)
Sec. 311.1
49.
15. A parallel water distribution system has a supply branch from a manifold to a shower that is fifty feet in developed length. The available pressure at the meter is 60 PSI.
a)
1/4"
b)
3/8 inch
c)
1/2"
d)
5/8"
e)
604.5a
50.
07. The minimum size of any building drain serving a water closet is __________ inches.
a)
a. 3
b)
b. 4
c)
c. 2
d)
d. 21/2
e)
Table 710.1(1), Footnote a
51.
14. The minimum required slope for a 2-inch fixture drain from an automatic clothes washer is __________.
a)
1/16 inch per foot
b)
1/8 inch per foot
c)
1/4 inch per foot
d)
1/2 inch per foot
e)
Table 704.1
52.
16. A water heater requires __________ certification.
a)
code official
b)
b. third-party
c)
c. manufacturer
d)
d. design professional
e)
Sec. 501.5
53.
14. For piping bundles in manifold water distribution systems, hot water piping __________.
a)
requires expansion joint fittings
b)
must be individually insulated
c)
must be thermally isolated from cold water piping
d)
is not permitted in bundles containing cold water piping
e)
Sec. 308.9
54.
04. For servicing, a water heater requires a minimum __________ level working space on the control side.
a)
20-inch by 30-inch
b)
b. 24-inch by 30-inch
c)
c. 30-inch by 30-inch
d)
d. 30-inch by 36-inch
e)
Sec. 502.5
55.
The maximum allowable lead content of water supply pipe and fittings supplying water for cooking or drinking is...percent.
a)
0.02
b)
8
c)
2
d)
0.25
e)
605.2.1
56.
04. A water supply tank with a filling capacity of 175 GPM requires a minimum...-inch diameter overflow.
a)
2.5
b)
3
c)
4
d)
6
e)
Table 606.5.4
57.
02. Which of the following is a prohibited connection in a storm drainage system?
a)
a. trap
b)
b. floor drain
c)
c. quarter bend
d)
d. backwater valve
e)
Sec. 1104.2
58.
20. The fill valve backflow preventer in a flush tank shall be located at least __________inch(es) above the full opening of the overflow pipe.
a)
1/2"
b)
1
c)
1-1/2"
d)
2
e)
Sec. 415.3.1
59.
07. Nonpotable water distribution piping must be identified by the color...
a)
orange
b)
Red
c)
Gray
d)
Purple
e)
Sec. 608.9.2
60.
14. The maximum allowable water temperature from a tankless-type water heater intended for domestic use is __________.
a)
120°F
b)
b. 140°F
c)
c. 160°F
d)
d. 180°F
e)
Sec. 501.6
61.
17. A__________ used as an indirect waste receptor does not require a removable strainer.
a)
17. a. standpipe
b)
17. floor sink
c)
17. c. floor drain
d)
17. d. laundry sink
e)
Sec. 802.4
62.
22. Generally, one set of approved construction documents shall be retained by the code official for at least __________ days following completion of the work.
a)
a. 180
b)
b. 120
c)
c. 90
d)
d. 60
e)
Sec. 106.5.6
63.
03. Floor drains in walk-in refrigerators of food establishments shall be __________.
a)
3. a. directly connected to the drainage system
b)
directly connected to the drainage system protected with a backwater valve
c)
indirectly connected to the drainage system by means of an air gap
d)
indirectly connected to the drainage system by means of an air break
e)
Sec. 802.1.2
64.
01. Water closets installed in public and employee restrooms do not require __________ seats.
a)
nonabsorbent
b)
elongated
c)
open front
d)
integral
e)
Secs. 425.2 and 425.3
65.
03. In nonresidential occupancies, tempered water for washing purposes shall be limited to not more than...°F by a temperature limiting device.
a)
105
b)
140
c)
110
d)
120
e)
Sec. 607.1.2
66.
04.Combustion air requirements for appliances with power burners are determined by _____________.
a)
13. a.the known air infiltration rate method
b)
14. b.engineering calculations
c)
15. c.research reports
d)
16. d.the manufacturer’s instructions
e)
Reference Section(s): 304.1
67.
· 03.Unless incorporated as part of the appliance, a sediment trap shall be installed ___________.
a)
1. a.downstream of the appliance shutoff valve
b)
2. b.remote from the appliance location
c)
3. c.upstream of the appliance shutoff valve
d)
4. d.upstream of the manifold
e)
Reference Section(s): 408.4
68.
· 05.Using the longest length method for sizing gas piping, each section of piping is measured from _______________.
a)
1. a.the first branch to the appliance
b)
2. b.the point of delivery to the most remote outlet
c)
3. c.the point of delivery to the first branch
d)
4. d.the pressure regulator to the most remote outlet
e)
Reference Section(s): 402.4.1
69.
· 25.The maximum length of an electrical bonding jumper for a corrugated stainless steel tubing (CSST) system is ________________ feet.
a)
1. a.150
b)
2. b.25
c)
3. c.100
d)
4. d.75
e)
Reference Section(s): 310.2.3
70.
19.Where a space is provided outdoor combustion air through two openings, one opening must begin within _________ inches of the top and within ____________inches of the bottom of the enclosure.
a)
73. a.3, 3
b)
74. b.6, 6
c)
75. c.12, 12
d)
76. d.18, 18
e)
Reference Section(s): 304.6.1
71.
· 05.The installation of shutoff valves shall be prohibited __________________.
a)
1. a.in concealed locations
b)
2. b.in bedrooms and bathrooms
c)
3. c.in furnace room enclosures
d)
4. d.on the roof of buildings
e)
Reference Section(s): 409.1.2
72.
9. 09.Hangers for a suspended unit heater must be _________.
a)
1. a.designed by a registered design professional
b)
2. b.steel angle iron
c)
3. c.provided by the appliance manufacturer
d)
4. d.noncombustible
e)
Reference Section(s): 620.2
73.
· 02.Appliances having an ignition sources shall be elevated such that the ignition source is not less than ________________ inches above the floor in a private garage.
a)
1. a.12
b)
2. b.18
c)
3. c.6
d)
4. d.30
e)
Reference Section(s): 305.3
74.
· 03.Where vehicles are capable of passing under an appliance installed in a public garage, the appliance shall be installed a minimum of ________________ inches higher than the tallest vehicle garage door opening.
a)
1. a.24
b)
2. b.18
c)
3. c.12
d)
4. d.6
e)
Reference Section(s): 305.4
75.
05.Conversion of an appliance to a different fuel gas is allowed if in accordance with the _____________ instructions.
a)
17. a.engineer’s
b)
18. b.inspector’s
c)
19. c.manufacturer’s
d)
20. d.contractor’s
e)
Reference Section(s): 301.7.1
76.
The _____ is the center to center length if the parallel pipes are connected using 90 degree fittings.
a)
relative change
b)
run
c)
offset
d)
diagonal rise
77.
If a storm sewer were 160' long with a grade of 1/8" per foot, what would the total fall be in inches?
a)
8"
b)
40"
c)
32"
d)
20"
78.
All of the following prevention procedures are required by OSHA when welding, cutting or heating objects except
a)
drums, containers or hollow structures which have contained toxic or flammable substances shall be thoroughly cleaned or filled with water, ventilated and tested before working on them
b)
oxygen shall be available for ventilation, cooling and blowing dust from clothing or the work surface of objects.
c)
fire extinguishing equipment shall be immediately available in the work area and be in a state of readiness for instant use.
d)
a vent opening to relieve pressure shall be provided before applying heat to a drum, container or hollow structure.
79.
Areas having limited egress that are subject to accumulation of toxic or flammable contaminants or an oxygen deficient atmosphere are considered by OSHA to be
a)
confined spaces
b)
void spaces
c)
non accessible spaces
d)
limited spaces
80.
In the Piping Drawing Handout first page: What is item #1 known as?
a)
Toilet flange
b)
P-trap
c)
Tee
d)
Clean out
81.
Last page of handout: Figure 12, what is the minimum size that LETTER O can be in accordance with the International Plumbing Code?
a)
2.5"
b)
3"
c)
4"
d)
5"
82.
Last page of handout: Figure 12, what is the minimum size that LETTER G can be in accordance with the International Plumbing Code?
a)
2.5"
b)
3"
c)
4"
d)
5"
83.
In the Piping Drawing Handout: in Figure 3, According to Mathematics for Plumbers and Pipefitters, what is the calculated True Offset for C?
a)
2"
b)
2.5"
c)
1.5"
d)
3"
84.
In the Piping Drawing Handout: Figure 2, According to the International Fuel Gas Code, what is the minimum diameter of iron pipe that can be used from point F to point G of the natural gas system with the given value's, gas pressure is 0.5 psi, pressure drop of 1/2-inch water column, specific gravity is 0.6 and heating value is 1,000 Btu/h per cubic foot.
a)
1"
b)
1-1/4"
c)
3/4"
d)
1/2"
85.
According to the International Plumbing Code and using Figure 6, what would be the minimum required size for vent 2, through the roof if the length of the vent is less than 10 feet?
a)
1.5"
b)
2"
c)
1.75"
d)
2.25"
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