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Worksheets2018 Plumbing License Exam 3
Total questions: 85
Worksheet time: 2hrs 34mins
Name
Class
Date
1.
Joints between polyethylene of raised temperature (PE-RT) plastic tubing and fittings shall be joints…
a)
heat fusion
b)
mechanical
c)
Solvent cemented
d)
Threaded
2.
12. The prescribed portions of standards referenced in the IPC and listed in Chapter 15 are considered __________.
a)
a. requirements
b)
b. guidelines
c)
c. alternatives
d)
d. modifications
3.
25. The code official may allow temporary connection to the utility source __________.
a)
a. pending the outcome of an appeal
b)
b. for a period not exceeding 60 days
c)
c. for construction purposes
d)
d. for testing plumbing systems
4.
21. Approved deck mounted vacuum breakers shall be installed with the critical level not less than __________ above the flood level of the rim.
a)
6 inches
b)
2 inches
c)
One inch
d)
Half inch
5.
14. A grease interceptor is not required for the kitchen of a __________.
a)
a. factory
b)
b. hospital
c)
c. school
d)
d. dwelling unit
6.
17. The minimum height of the vent termination for a flow control device on a grease interceptor is __________ inches above the flood rim of the connected fixture or as required by the manufacturer.
a)
a. 12
b)
b. 18
c)
c. 6
d)
d. 24
7.
17. A 4-inch by 3-inch water closet flange is __________.
a)
not considered a reduction in size
b)
prohibited
c)
an offset fitting
d)
required
8.
17. The maximum water consumption flow rate for nonmetered public lavatories is...gpm at 60 psi.
a)
0.25
b)
0.5
c)
2
d)
2.2
9.
06. A storage tank-type water heater is required to be installed in a pan when __________.
a)
required by the code official
b)
b. installed in an attic
c)
c. leakage will cause damage
d)
d. required by the manufacturer
10.
01. Where a floor drain receives only clear-water waste from coolers and freezers, the floor drain is assigned a value of __________ drainage fixture unit(s).
a)
a. 1/2
b)
b. 0
c)
c. 1
d)
d. 2
11.
24. Where a whirlpool circulation pump is located more than 24 inches from the access opening, the minimum opening dimensions are __________.
a)
18 inches x 24 inches
b)
12 inches x 12 inches
c)
12 inches x 18 inches
d)
18 inches x 18 inches
12.
03. Unless the tank’s working pressure is less, the maximum pressure setting for a temperature and pressure relief valve is __________ psi.
a)
125
b)
b. 200
c)
c. 180
d)
d. 150
13.
23. __________ shall be of the recessed drainage type.
a)
Saddle-type fittings
b)
Cement or concrete joints
c)
Threaded drainage pipe fittings
d)
Coextruded pipe fittings
14.
11. The water supply system test must hold a water pressure not less than __________.
a)
5 psi
b)
50 psi
c)
10-foot head pressure
d)
the working pressure of the system
15.
13. A bottled water dispenser is prohibited from being located in a __________.
a)
kitchen
b)
restaurant
c)
public restroom
d)
storage area
16.
10. The relieving capacity of a temperature relief valve shall not be less than the __________ of the water heater.
a)
heat input
b)
b. heat output
c)
c. temperature limit
d)
d. pressure limit
17.
11. The fixture drain of a(n) __________ shall not connect to a double sanitary tee pattern fitting.
a)
laundry sink
b)
kitchen sink
c)
automatic clothes washer
d)
combination tub/shower
18.
12. For a building of 11,500 square feet of projected roof area, what is the minimum required number of roof drains in a controlled flow roof drain system?
a)
a. one
b)
b. two
c)
c. three
d)
d. four
19.
24. Construction documents for buildings more than __________ stories in height shall indicate the materials and methods for maintaining the required fire-resistance rating.
a)
a. 2
b)
b. 3
c)
c. 4
d)
d. 6
20.
19. The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be a minimum of __________ times the effective opening of the indirect waste pipe.
a)
19. a. 1
b)
19. b. 2
c)
19. c. 3
d)
19. d. 4
21.
23. For a condensate drain line serving multiple units with a total equipment capacity of 80 tons of refrigeration, the pipe shall be not less than __________ -inch pipe diameter.
a)
1
b)
1-1/4"
c)
1-1/2"
d)
2
22.
02. A __________ is allowed to discharge through an air break into an indirect waste receptor.
a)
2. a. swimming pool deck drain
b)
2. b. food-preparation sink
c)
2. c. commercial dishwashing machine
d)
2. d. sterilizer
23.
05. A __________ valve shall be installed on the collection piping upstream of the storage tank of an on-site nonpotable water reuse system.
a)
a. backwater
b)
b. shutoff
c)
c. check
d)
d. bypass
24.
14. A private water well shall be located at least __________ feet from a septic tank.
a)
10
b)
100
c)
50
d)
25
25.
24. Where located close to the wall, a lavatory outlet with an effective opening of 1/2 inch diameter requires a minimum __________ -inch air gap.
a)
1
b)
1 1/2 inches
c)
2
d)
2.5
26.
11. The __________ regulates piping materials that are exposed in plenums.
a)
a. International Fire Code ® (IFC®)
b)
b. International Fuel Gas Code® (IFGC®)
c)
c. International Mechanical Code® (IMC®)
d)
d. International Plumbing Code® (IPC®)
27.
13. The code official shall require construction documents and specifications to be prepared by a registered design professional when __________.
a)
a. the proposed construction does not comply with the code
b)
b. the building exceeds two stories in height
c)
c. required by state law
d)
d. special conditions exist
28.
Polypropylene (PP) pipe conforming to...is approved for water distribution
a)
ASTM D1785
b)
AWAC 151
c)
ASTM F2239
d)
ASTM F2389
29.
24. For underground PVC water service piping, solvent-cement joints require...primer.
a)
Purple
b)
Yellow
c)
Orange
d)
No
30.
08. Indirect waste receptors require __________.
a)
8. a. a splash guard
b)
8. b. ready access
c)
8. c. an air gap
d)
8. d. a deep seal trap
31.
25. Vent pipes through the roof require __________.
a)
a. protection from freezing
b)
b. caulking
c)
c. a termination cap
d)
d. flashing
32.
14. A minimum __________ -inch-diameter combination waste and vent pipe is required for receiving the discharge of 3 drainage fixture units.
a)
a. 1-1/2 "
b)
b. 2
c)
c. 3
d)
d. 4
33.
08. For materials not specifically covered by the code, supporting data necessary to verify compliance with the code must include __________.
a)
a. a referenced standard
b)
b. research reports
c)
c. testing and listing
d)
d. the manufacturer’s instructions
34.
13. Swimming pool deck drains that drain to the building’s sanitary drainage system
a)
13. a. direct connection
b)
13. direct waste pipe by means of an air gap
c)
13. c. indirect waste pipe by means of an air break or an air gap
d)
13. d. indirect waste pipe by means of an air gap
35.
23. Where the bedding for piping installed in a trench consists of backfill, __________ is an approved material.
a)
a. loose soil free from rocks or frozen material
b)
b. sandy clay
c)
c. fine gravel
d)
d. organic silty clay
36.
04. A common vent provides venting to __________ fixture(s).
a)
a. one
b)
b. two
c)
c. three
d)
d. four
37.
18. Distribution piping for a subsurface landscape irrigation system using nonpotable water shall be not less than __________ inches in diameter.
a)
a. 11/2
b)
b. 2
c)
c. 3
d)
d. 4
38.
05. For an employee toilet room, the required lavatory shall be __________ the required water closet.
a)
not more than 30 inches from
b)
separated by a partition from
c)
not less than 60 inches away from
d)
in the same room as
39.
07. A 3-inch stack of a single stack vent system is permitted to serve a maximum of __________ water closets.
a)
a. two
b)
b. three
c)
c. four
d)
d. six
40.
16. Flushometer valves shall be of the __________ type.
a)
water-pressure
b)
diaphragm
c)
water-conservation
d)
antisiphon
41.
20. Wet venting is permitted for any combination of fixtures __________.
a)
a. within two bathroom groups located on adjacent floors
b)
b. within two bathroom groups located on the same floor
c)
c. except water closets and urinals
d)
d. located on the same floor
42.
13. A pipe sleeve in a masonry foundation wall shall be at least __________ greater than the pipe passing through the wall.
a)
a. 2 inches
b)
b. 1 inch
c)
c. 2 pipe sizes
d)
d. 1 pipe size
43.
Where quick-closing valves are utilized in a water distribution system, a...shall be installed.
a)
pressure reducing valve
b)
flow control device
c)
water hammer arrester
d)
Pressure relief valve
44.
03. A solvent-cement joint between ABS and PVC plastic piping is __________.
a)
prohibited
b)
permitted in above ground locations only
c)
permitted with yellow primer complying with ASTM D3138
d)
permitted only where the building drain connects to the building sewer
45.
04. Water delivered from public hand-washing lavatories shall have a temperature range between __________.
a)
80°F and 105°F
b)
85°F and 110°F
c)
90°F and 115°F
d)
95°F and 120°F
46.
10. Where the manufacturer’s design permits, a grease interceptor is allowed to serve as a fixture trap for how many fixtures?
a)
a. one
b)
b. two
c)
c. three
d)
d. four
47.
17. Permits expire if work is not commenced within __________ days of issuance.
a)
a. 30
b)
b. 60
c)
c. 120
d)
d. 180
48.
09. Shield plates required to protect piping installed through notches or bored holes in framing members shall extend a minimum of __________ inch/es above sole plates
and below top plates.
a)
a. 1
b)
b. 2
c)
c. 3
d)
d. 4
49.
12. Condensate piping must maintain a minimum slope of not less than __________ percent.
a)
0.01
b)
0.02
c)
1/4%
d)
1/2%
50.
01. When installed horizontally, 11/4-inch polypropylene pipe and tubing shall be supportedat maximum intervals of __________.
a)
32 inches
b)
48 inches
c)
8 feet
d)
10 feet
51.
25. Waste connections are not required for __________.
a)
laundry trays
b)
emergency eyewash station
c)
automatic clothes washers
d)
floor drains
52.
04. Support hangers for 10-foot lengths of cast-iron soil pipe suspended from a ceiling shall be spaced not more than __________ feet.
a)
2.5
b)
5
c)
7.5
d)
10
53.
23. Temperature relief valves shall be so located in the tank as to be actuated by the water in the __________ inches.
a)
bottom
b)
b. bottom 12
c)
c. top 6
d)
d. top 12
54.
08. The temperature and pressure relief valve drain shall not discharge to __________.
a)
a waste receptor
b)
b. the outdoors
c)
c. the water heater pan
d)
d. a point 8 inches above the floor
55.
20. The building sewer requires testing under not less than a __________ -foot head of water.
a)
10
b)
12
c)
15
d)
8
56.
04. The drainage fixture unit load from a clinical sink with a 3-inch fixture outlet is
a)
a. 1
b)
b. 2
c)
c. 3
d)
d. 5
57.
24. Oil separators shall have a depth of not less than __________ inches below the invert of the discharging drain.
a)
a. 24
b)
b. 36
c)
c. 30
d)
d. 42
58.
17. Where water supply systems other than plastic are tested with air, the test pressure __________ minutes.
a)
10
b)
20
c)
30
d)
15
59.
16. A permit is not required for __________.
a)
a. replacement of a water heater
b)
b. rearrangement of valves or pipes
c)
c. replacement of a concealed vent pipe
d)
d. repairing of leaks in pipes, valves or fixtures
60.
12. Where concealed copper piping passes through holes bored in wood studs, shield plates are not required if the bored holes are at least __________ from the nearest
edge of the studs.
b. 1 inch plates are not required if the bored holes are at least __________ from the near
a)
a. 5/8 inch
b)
b. 1 inch
c)
c. 11/4 inches
d)
d. 11/2 inches
61.
03. In order to safeguard life, health and property, the IPC regulates all of the following within the built environment, except __________.
a)
a. design
b)
b. maintenance
c)
c. use
d)
d. cost
62.
12. The pressure rating of Schedule 80 PVC or CPVC water pipe is reduced by...percent when threaded.
a)
10
b)
25
c)
35
d)
50
63.
08. A __________ fitting is approved for connecting copper pipe to galvanized steel pipe.
a)
copper converter
b)
copper alloy
c)
threaded galvanized
d)
soldered copper
64.
23. The capacity of a grease interceptor with a total flow-through rating of 10 gpm is __________ pounds.
a)
a. 14
b)
b. 18
c)
c. 20
d)
d. 24
65.
According to Mathematics for Plumbers and Pipefitters, what is the term used when describing the distance of separation of two parallel run pipes? This is the term for the center to center length of the two parallel pipes of fittings.
a)
rise
b)
run
c)
offset
d)
diagonal
66.
A rising-stem gate valve turns without stopping in either direction. What is the probable cause?
a)
Loose packing nut
b)
Scored stem
c)
Broken stem
d)
Stripped screw
67.
According to OSHA, how often shall hoses in use which carry acetylene, oxygen, natural gas or manufactured fuel gas be inspected?
a)
at the beginning of each day
b)
at the beginning of each use
c)
after every break
d)
at the beginning of each shift
68.
Vertical lifeline, independent support lines, and suspension ropes must _________________________.
a)
be attached to each other
b)
be attached to the same point in the scaffold
c)
be attached independently of the scaffold
d)
use the same point of anchorage
69.
· 24.The bonding jumper used to bond corrugated stainless steel tubing (CSST) gas piping to the grounding system shall be not smaller than ________________ AWG copper wire or equivalent.
a)
1. a.12
b)
2. b.10
c)
3. c.8
d)
4. d.6
70.
15.Where the air-infiltration-rate is unknown, a room or space providing indoor combustion air requires a minimum volume of __________ cubic feet per 1,000 Btu/h of the appliance input rating.
a)
57. a.15
b)
58. b.25
c)
59. c.50
d)
60. d.75
71.
· 11.Gas piping must not be installed in or through a(n) _______________.
a)
1. a.plenum
b)
2. b.clothes chute
c)
3. c.attic
d)
4. d.enclosed space
72.
· 01.Gas vents shall be supported in accordance with ________________.
a)
1. a.the manufacturer’s instructions
b)
2. b.the referenced standard
c)
3. c.the accepted engineering practice
d)
4. d.the label on the vent
73.
· 06.Appliance connections to a chimney or vent equipped with a power exhauster shall be made on the ______________ side of the exhauster.
a)
1. a.outlet
b)
2. b.inlet
c)
3. c.positive
d)
4. d.discharge
74.
· 19.When a union is provided for an appliance connected by rigid metallic pipe, the union shall be accessible and located within ___________________feet of the appliance.
a)
1. a.2
b)
2. b.3
c)
3. c.4
d)
4. d.6
75.
· 02.Gas piping supports for ½-inch copper tubing shall be spaced no more than ___________feet apart.
a)
1. a.4
b)
2. b.6
c)
3. c.8
d)
4. d.10
76.
· 17.Condensate waste and drain lines shall be not less than ________________ -inch internal diameter.
a)
1. a.1
b)
2. b.½
c)
3. c.⅝
d)
4. d.¾
77.
· 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
78.
· 08.Copper and copper alloy gas piping is permitted to be installed when the gas contains no more than an average of _______________ grains of hydrogen sulfide per 100 standard cubic feet of gas.
a)
1. a.0.9
b)
2. b.0.6
c)
3. c.0.3
d)
4. d.0.1
79.
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"
80.
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"
81.
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"
82.
Reviewing figure 11, what is B referred has?
a)
Flanged outlet
b)
Solder Joint
c)
Floor Drain
d)
Clean Out
83.
What is the minimum size that D can be in (the figure above or figure 9 in the print out) in accordance with the International Plumbing Code?
a)
1"
b)
1.25"
c)
1.5"
d)
2"
84.
What is the center to center measurement for A in Figure 8?
a)
17-1/8"
b)
16-15/16"
c)
15-15/16"
d)
16-3/4"
85.
Reviewing figure 11, What is the minimum size for F in accordance with the IPC Code ?
a)
4"
b)
6"
c)
2.5"
d)
3"
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