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WorksheetsState Test 04
Total questions: 93
Worksheet time: 3hrs 6mins
Name
Class
Date
1.
Acid-resisting trap is installed underground, such trap shall be embedded in concrete extending _" beyond the trap.
a)
2
b)
3
c)
4
d)
6
2.
The maximum retention time for untreated gray water in a collection reservoir is __________ hours.
a)
24
b)
48
c)
36
d)
72
3.
Hose bibbs require protection from backflow by a(n) __________.
a)
Air gap
b)
Vacuum breaker
c)
Reduced pressure principle backflow preventer
d)
Double check valve
4.
All horizontal drains shall have cleanouts located no more than __________ feet apart.
a)
40
b)
60
c)
80
d)
100
5.
Individual and branch vent pipes over 40 feet long require __________.
a)
not less than 2 inches in diameter
b)
one-half the diameter of the drain served
c)
not less than 2 pipe sizes smaller than the largest drain served
d)
pipe size greater than otherwise required
6.
"Test reports required as evidence of code compliance shall be retained for __________.
a)
180 days after completion of the project
b)
the period required for retention of public records
c)
90 days after completion of the project
d)
120 days after occupancy of the building
7.
The maximum developed length of a 11/4-inch vent pipe for a 40 gpm sewage ejector pump is __________ feet.
a)
unlimited
b)
40
c)
72
d)
d. 160
8.
Privacy partitions for urinals are not required in a(n) __________ toilet room.
a)
employee
b)
Group I-3
c)
family/assisted use
d)
mercantile
9.
Prohibited corrosive liquids must be __________ before discharge into the sanitary drainage system.
a)
permitted for discharge by state and federal agencies
b)
filtered through a diatomaceous earth filtration system
c)
diluted by water or passed through a neutralizing medium
d)
to determine that they are not corrosive to the piping system
10.
A common vent provides venting to __________.
a)
one fixture
b)
two fixtures
c)
three fixtures
d)
four fixtures
11.
The maximum temperature setting of a temperature and pressure relief valve is __________.
a)
120°F
b)
140°F
c)
180°F
d)
210°F
12.
Water service pipe shall be not less than...inch(es) in diameter.
a)
3/4"
b)
1/2 inch
c)
1
d)
1-1/4"
13.
____________ piping shall not be placed in direct contact with concrete walls or floors.
a)
Ductile iron
b)
Cast iron
c)
Galvanized steel
d)
Copper
14.
For water supply systems not made of plastic, the test pressure __________ minutes.
a)
10
b)
20
c)
30
d)
50
15.
Which code regulates the maintenance and operation of nonflammable medical gas systems?
a)
International Plumbing Code® (IPC®)
b)
International Mechanical Code® (IMC®)
c)
International Fuel Gas Code® (IFGC®)
d)
International Fire Code® (IFC®)
16.
Hot water distribution piping and tubing shall have a minimum pressure rating of...psi at...°F.
a)
100, 180
b)
160, 210
c)
110, 140
d)
120, 200
17.
A water heater installed in an attic shall be no more than __________ feet from the attic access opening.
a)
12
b)
20
c)
24
d)
32
18.
In which locations is frost closure protection for vent terminals required?
a)
Denver, Colorado
b)
Juneau, Alaska
c)
Goodland, Kansas
d)
South Bend, Indiana
19.
Which trap design is not allowed?
a)
a trap designed with a floating ball-check
b)
interceptor type drum trap
c)
a trap integral to the fixture
d)
a deep seal trap
20.
Combo appliance w/ wtr. for space heating at temps above 140°F, a _ is to limit the temp of the hot water system."
a)
temperature limiting device
b)
combination balanced pressure/thermostatic valve
c)
master thermostatic mixing valve
d)
temperature-actuated flow reduction device
21.
A water level monitoring device must be installed _ to prevent condensate damage.
a)
at the equipment drain pan outlet
b)
inside the auxiliary drain pan
c)
in the auxiliary drain line
d)
inside the primary drain pan
22.
Fixtures above the next upstream manhole cover can discharge through a backwater valve when installed ___________.
a)
in an existing building
b)
below the elevation of the next upstream manhole cover
c)
outside the building
d)
at the lowest part of the building drain
23.
6-inch PVC drainage piping installed above ground requires __________
a)
support
b)
sway bracing
c)
restraint
d)
expansion fittings
24.
The minimum slope for a 2-inch automatic clothes washer drain 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
25.
When a bathroom group is served by a horizontal wet vent, fixtures not in the group must connect __________.
a)
upstream from the horizontal wet vent
b)
downstream of the horizontal wet vent
c)
independently to the horizontal wet vent
d)
at an elevation above the water closet connection
26.
Where a storm sewer is installed in the same trench as the building sewer, the two _
a)
may be laid side-by-side
b)
require a 24-inch horizontal separation
c)
require a 12-inch vertical separation
d)
must be of materials approved for underground inside a building
27.
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
28.
Temperature relief valves shall be located in the tank to be actuated by the __________ inches of water.
a)
bottom
b)
bottom 12
c)
top 6
d)
top 12
29.
The common vent pipe for two vertical drain fixtures is sized ___________.
a)
the larger of the two fixture drains
b)
the maximum discharge from the upper fixture drain
c)
the maximum discharge from the lower fixture drain
d)
the size of the fixture branch
30.
Flushometer valves shall be of the __________ type.
a)
water-pressure
b)
diaphragm
c)
water-conservation
d)
antisiphon
31.
Head shampoo sink faucets require __________.
a)
temperature control to limit the hot water to 110°F or less
b)
temperature-actuated, flow-reduction devices
c)
integral check valves
d)
combination balanced-pressure/thermostatic valves
32.
A _ backflow prevention assembly does not protect automatic fire sprinklers from potable water.
a)
Pressure vacuum breaker
b)
Reduced pressure principle Fire Protection
c)
double check
d)
Double check Fire Protection
33.
Where is the cleanout required on a trapped vertical conductor discharging to a horizontal combined sewer?
a)
on the sewer side of the trap
b)
on the building side of the trap
c)
less than 10 pipe diameters downstream of the conductor
d)
a minimum of 10 pipe diameters downstream from the conductor
34.
Waste Stack Vent minimum 1-1/2" size required receiving the discharge _ DFUs at each of 3 branch intervals
a)
1
b)
2
c)
3
d)
4
35.
The sign at non-potable water outlets shall have letters at least __________ inch high on a contrasting background.
a)
1"
b)
3/4"
c)
1/2"
d)
3/8"
36.
Substances that damage the sewer system are prevented from entering the drainage system by __________ .
a)
filters
b)
strainers
c)
traps or backwater valve
d)
interceptors or separators
37.
What is the minimum size for a stack vent serving a 21/2-inch waste stack?
a)
1-1/4 inches
b)
1-1/2 inches
c)
2 inches
d)
2-1/2 inches
38.
A shower liner must extend __________ inches above the threshold on all sides
a)
2
b)
3
c)
1.5
d)
2.5
39.
Freezeproof yard hydrants that drain the riser into the ground __________ .
a)
Are prohibited
b)
Are permitted when identified as non potable
c)
Are not considered to be stop and waste valves
d)
Require integral backflow prevention
40.
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
41.
If approved, the travel distance to an employee toilet room may exceed 500 feet in a _.
a)
stadium
b)
covered mall
c)
warehouse
d)
factory
42.
The board cannot rule on an appeal based on __________.
a)
the provisions of the code do not fully apply
b)
a code requirement should be waived
c)
the rules have been incorrectly interpreted
d)
a better form of construction is proposed
43.
A private bathroom with a 1.6 gpf WC, LAV., shower, bidet and FD. has a total DFU value of __________.
a)
5
b)
7
c)
9
d)
10
44.
The walk-in food storage freezer's waste line shall __________.
a)
be trapped
b)
not be trapped
c)
be protected from freezing
d)
be directly connected to the drainage system
45.
Permits expire if work is not commenced within __________ days of issuance.
a)
30
b)
60
c)
120
d)
180
46.
Systems that dispense performance additives to grease interceptors are only permitted when they dispense __________.
a)
emulsifiers
b)
microbes
c)
chemicals
d)
enzymes
47.
Cleanout plugs for cast iron piping shall be _________.
a)
cast iron
b)
plastic
c)
copper alloy
d)
plastic or copper alloy
48.
What is required between a storm water conductor and a combined building sewer?
a)
vent
b)
trap
c)
strainer
d)
backwater valve
49.
A...valve is required on the water supply to a water heater.
a)
Globe
b)
shut off
c)
Full open
d)
Gate
50.
A pipe-bursting method for replacing an existing gravity building sewer limits the pipe size to _ inches in diameter.
a)
8
b)
6
c)
4
d)
3
51.
Discharging __________ to the bsmt. sump is prohibited.
a)
subsoil drainage
b)
drainage from soil pipes
c)
waste from laundry fixtures
d)
drainage above the gravity sewer
52.
The dishwashing machine's waste line is allowed to discharge through __________.
a)
an air gap or air break
b)
wye fitting on a sink tail piece
c)
a food waste disposer
d)
an air gap only
53.
"In a flood hazard area, the top of a potable water well casing must extend _ inches above the design flood elevation."
a)
6
b)
12
c)
18
d)
24
54.
The IPC regulates all of the following in the built environment, except __________.
a)
design
b)
maintenance
c)
use
d)
cost
55.
A water temperature limiting device shall be provided to limit the water supplied to a whirlpool bathtub.
a)
110°F
b)
115°F
c)
120°F
d)
125°F
56.
What is the minimum required capacity of a 2-inch sewage pump?
a)
15 gpm
b)
21 gpm
c)
30 gpm
d)
46 gpm
57.
Which of the following devices does not isolate 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
58.
Materials not specifically covered by the code must have __________ to verify compliance.
a)
a referenced standard
b)
research reports
c)
testing and listing
d)
the manufacturer’s instructions
59.
The valve on the cold water supply to a water heater shall not __________.
a)
be a full-open type
b)
serve any other fixture
c)
be adjacent to the water heater
d)
be located more than 24 inches from the water heater
60.
The drainage load from a clinical sink with a 3-inch outlet is _
a)
1
b)
2
c)
3
d)
5
61.
Hub drains are permitted in the form of a hub or pipe extending at least _" above a water-impervious floor.
a)
4
b)
2
c)
3
d)
1
62.
The vertical distance from the outlet to the trap weir shall not exceed __________ inches
a)
18
b)
24
c)
30
d)
36
63.
The fixture drain of an automatic clothes washer shall connect to a minimum _-inch branch drain.
a)
1-1/2"
b)
2"
c)
2-1/2"
d)
3"
64.
Parallel water dist. has a 50ft supply branch from a manifold to a shower. The press. @ meter is 60 PSI. Size of line?
a)
1/4"
b)
3/8 inch
c)
1/2"
d)
5/8"
65.
A 4-inch horizontal PVC drainage pipe suspended from the ceiling needs ________ at a 90 degree turn.
a)
axial restraints
b)
sway bracing
c)
coupling restraints
d)
thrust blocks
66.
The prescribed portions of standards referenced in the IPC and listed in Chapter 15 are __________.
a)
requirements
b)
guidelines
c)
alternatives
d)
modifications
67.
Nat Gas. Test duration with a volume of 1500 cubic ft must be not less than _ minutes.
a)
30
b)
60
c)
90
68.
International Fuel Gas Code regulates natural gas with an operating pressure of _ psig or less.
a)
90
b)
125
c)
5
69.
Fuel Gas Required Steel shield plates minimum _ extension to each side of the stud
a)
1-1/2"
b)
2"
c)
4 "
70.
Underground gas piping minimum _ deep below grade
a)
12"
b)
18"
c)
24"
71.
Combustion Air, outdoor must begin through 2 openings within 12" of the top & within 12" of the bottom of the enclosure.
a)
12" & 12"
b)
18" & 18"
c)
6" & 6"
72.
Unions not more than _ from an MP regulator that is connected to rigid piping.
a)
2 pipe diameters
b)
12"
c)
6"
73.
Nat Gas Test pressure must be not less than _ x the proposed maximum working pressure
a)
3*
b)
1½*
c)
2*
74.
Required gas pipe installed in conduit not less than _ extended outside of the building for conduit
a)
4"
b)
2"
c)
3"
75.
Required gas pipe installed in conduit not less _ extension beyond the point where the pipe emerges from the floor in the building.
a)
4"
b)
2"
c)
3"
76.
The _____ is the center to center length if the parallel pipes are connected using 90 degree fittings.
a)
relative change
b)
offset
c)
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)
32"
c)
20"
78.
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)
run
b)
diagonal
c)
offset
79.
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.
80.
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
81.
According to OSHA who has authority to change or adjust the shoring method of an excavation?
a)
Competent person
b)
Contractor
c)
Engineer
82.
The area below a trench box can be excavated to a maximum depth of how many feet below the trench box?
a)
2.5 feet
b)
1.0 feet
c)
2.0 feet
83.
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)
at the beginning of each shift
84.
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
85.
Where cutting or welding is done near walls, partitions, ceilings or roofs of combustible costruction
a)
someone must watch for flames
b)
threatened areas shall be coated with carbon tetrachloride, or similar flame retardant.
c)
fire resistant shields or guards shall be provided to prevent ignition.
86.
According to the International Plumbing Code and Figure 7, what is the required minimum size for vent 1?
a)
1.25"
b)
2"
c)
1"
d)
1.5"
87.
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"
88.
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"
89.
Reviewing figure 11, what is B referred has?
a)
Flanged outlet
b)
Solder Joint
c)
Floor Drain
d)
Clean Out
90.
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"
91.
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"
92.
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"
93.
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"
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