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WorksheetsState Test 05
Total questions: 94
Worksheet time: 3hrs 8mins
Name
Class
Date
1.
The prescribed portions of standards referenced in the IPC and listed in Chapter 15 are __________.
a)
requirements
b)
guidelines
c)
alternatives
d)
modifications
2.
A water test on a building drain requires at least a __________ head of water.
a)
5-foot
b)
10-foot
c)
12-foot
d)
15-foot
3.
A vent for a drainage stack offset shall connect to the stack _ the offset.
a)
above
b)
not less than 12 inches above
c)
above or below
d)
above and below
4.
Prefabricated lead flashings must have a sheet weight of not less than __________ pounds per square foot.
a)
3.5
b)
2.5
c)
1.25
d)
0.75
5.
The sump pump discharge piping requires a __________.
a)
backwater valve and shut off valve
b)
ball valve and relief valve
c)
check valve and full open valve
d)
air admittance valve and globe valve
6.
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
7.
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
8.
The code requirements apply in the event of a conflict with the manufacturer's instructions.
a)
code
b)
more specific
c)
more restrictive
d)
manufacturer’s
9.
Support hangers for 10-foot lengths of cast-iron soil pipe shall be spaced no more than __________ feet.
a)
2.5
b)
5
c)
7.5
d)
10
10.
Bldg. Nonpotable water piping must be labeled every...feet or less.
a)
100
b)
50
c)
25
d)
12
11.
IRC is applicable to plumbing work in town-houses not more than __________ in height with a separate means of egress.
a)
35 feet
b)
45 feet
c)
three stories
d)
four stories
12.
In one- and two-family residential occupancies, the water supply to a...does not require a shutoff valve.
a)
kitchen sink
b)
Silcock
c)
mechanical appliance
d)
Bathtub
13.
A 4-inch diameter building drain installed with a slope of 1/4" per ft can handle no more than _ DFUs.
a)
180
b)
216
c)
250
d)
160
14.
An air admittance valve cannot be the vent stack terminal for drainage stacks with more than _ branch intervals.
a)
six
b)
five
c)
eight
d)
ten
15.
Waste connections are not required for __________.
a)
laundry trays
b)
emergency eyewash station
c)
automatic clothes washers
d)
floor drains
16.
The min. size of the access opening to a whirlpool circulation pump is _ if it is located within 24" of the opening.
a)
8 inches x 12 inches
b)
12 inches x 12 inches
c)
12 inches x 18 inches
d)
18 inches x 18 inches
17.
A sump pump is allowed at the base of an elevator shaft when the discharge is __________.
a)
monitored by an alarm system
b)
protected by a backflow device
c)
directly connected to a storm drain
d)
indirectly connected to the plumbing system
18.
A passageway to a water heater in an attic shall have flooring at least __________ inches wide.
a)
22
b)
24
c)
30
d)
36
19.
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
20.
Island fixture venting is not permitted for a __________.
a)
sink
b)
clothes washer standpipe
c)
lavatory
d)
residential kitchen sink with a food waste disposer and dishwasher
21.
What is the minimum access opening size for a water heater installed in an attic?
a)
20 inches by 30 inch
b)
20 inches by 24 inches
c)
24 inches by 30 inches
d)
30 inches by 30 inches
22.
A __________ can only serve one fixture.
a)
transfer valve
b)
flushing device
c)
temperature limiting device
d)
vacuum breaker
23.
Gate valves intended to supply drinking water shall comply with...
a)
NSF 18
b)
NSF 61
c)
ASSE 1016
d)
ASSE 1017
24.
How many DFUs can go to a 3"dia. waste stack vent in any 1 branch interval w/out exceeding the total for the stack?
a)
two
b)
four
c)
eight
d)
unlimited
25.
The minimum interior dimension for a shower compartment with an area of 1,300 square inches is __________ inches.
a)
22
b)
25
c)
27
d)
30
26.
Water closets in public and employee restrooms do not require __________ seats.
a)
nonabsorbent
b)
elongated
c)
open front
d)
integral
27.
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
28.
A pan for a water heater must be at least __________ inches deep.
a)
1-1/2"
b)
2
c)
21/2
d)
3
29.
A shower liner must extend __________ inches above the threshold on all sides
a)
2
b)
3
c)
1.5
d)
2.5
30.
When a plumbing permit is issued, the construction documents shall be stamped __________.
a)
APPROVED FOR CONSTRUCTION
b)
APPROVED
c)
ACCEPTED AS REVIEWED
d)
REVIEWED FOR CODE COMPLIANCE
31.
Galvanized steel drain pans for water heaters must be at least __________ inch in thickness.
a)
0.036
b)
0.0149
c)
0.0236
d)
0.0478
32.
Branch vents exceeding __________ feet in developed length shall be increased by one nominal size.
a)
25
b)
30
c)
35
d)
40
33.
The __________ drain shall not connect to a double sanitary tee.
a)
laundry sink
b)
kitchen sink
c)
automatic clothes washer
d)
combination tub/shower
34.
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"
35.
A dry vent cannot offset horizontally until the vertical rise is __________.
a)
above the highest fixture branch connected to the building drain
b)
above the flood level rim of the highest fixture connecting to the building
c)
6 inches above the connection of the stack vent to a drainage stack
d)
above the flood rim of the highest trap or trapped fixture being vented
36.
A 6-inch PVC DWV piping joint needs __________.
a)
purple primer
b)
combination primer/solvent cement conforming to ASTM F493
c)
purple primer or solvent cement that is yellow in color
d)
purple primer or solvent cement that is purple in color
37.
Removable shower strainers shall be __________inches in diameter.
a)
3
b)
2
c)
5
d)
4
38.
Solvent-cement joints for ABS plastic fittings are permitted __________.
a)
above or below ground
b)
only above ground
c)
only below ground
d)
below ground if approved
39.
In educational toilet facilities, urinals can be substituted for up to __________ percent of the required water closets.
a)
33
b)
50
c)
67
d)
75
40.
Horizontal branches to horizontal stack offsets shall connect located not less than _ stack dia. from the upper stack.
a)
10
b)
20
c)
30
d)
40
41.
A water closet cannot be closer than __________ inches to a lavatory, center to center.
a)
30
b)
15
c)
21
d)
28
42.
The maximum flow rate for nonmetered lavatories is...gpm at 60 psi.
a)
0.25
b)
0.5
c)
2
d)
2.2
43.
How many vent pipes are required to extend outdoors in a sanitary drainage system?
a)
one
b)
two
c)
one for each air admittance valve
d)
one for each vent stack or stack vent
44.
Mechanical joints in PVC pipe are permitted __________.
a)
above or below ground
b)
only above ground
c)
only below ground
d)
below ground if approved
45.
The overflow pipe shall be located above the _ of the water closet or a 2nd overflow.
a)
trap seal
b)
flood level rim
c)
fill valve
d)
. backflow preventer
46.
An automatic clothes washer requires a minimum __________ -inch drain.
a)
1-1/2"
b)
2"
c)
2-1/2"
d)
3"
47.
Which of the following is not allowed for sealing around a pipe passing through an exterior wall?
a)
flashing
b)
caulk
c)
foam sealant
d)
gasketing system
48.
The ejector pump control shall be set to prevent effluent from rising __________ inches from the gravity drain inlet.
a)
1-1/2"
b)
2
c)
3
d)
4
49.
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®)
50.
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
51.
Only corrosion resistant material traps or _ are permitted where the trap seal is dependent on an interior partition.
a)
traps integral to the fixture
b)
readily accessible traps
c)
traps with primer valves
d)
self-scouring traps with slip joint connections
52.
Floor drains in food establishments' walk-in refrigerators shall be __________.
a)
directly connected to the drainage system
b)
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
53.
Excavate the trench to a depth __________ below the bottom of the pipe.
a)
3 inches
b)
6 inches
c)
one pipe diameter
d)
two pipe diameters
54.
A __________ valve shall be installed upstream of the storage tank.
a)
backwater
b)
shutoff
c)
check
d)
bypass
55.
A...is not a permitted source for an individual water supply unless the water is treated.
a)
Spring
b)
Cistern
c)
Dug well
d)
Drilled well
56.
A __________'s fixture drain is allowed to connect to the waste stack separately.
a)
urinal
b)
water closet
c)
bathroom group
d)
standpipe
57.
__________ 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
58.
The maximum water temperature for an individual shower is_
a)
100°F
b)
110°F
c)
120°F
d)
140°F
59.
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
60.
Sewage grinder pumps shall have a minimum discharge opening of __________ inch(es).
a)
3/4"
b)
1-1/4"
c)
1-1/2"
d)
2"
61.
Bldgs. over _ stories, construction docs. shall indicate the mtrls. and methods for maint. for fire-resistance rating.
a)
2
b)
3
c)
4
d)
6
62.
Concealed slip joint connections require an access panel of __________inches.
a)
20
b)
18
c)
12
d)
10
63.
There shall be at least__________ inches of clearance in front of the water closet.
a)
12
b)
18
c)
21
d)
24
64.
A secondary roof drainage system is permitted to discharge __________.
a)
below ground into a subsoil drainage system
b)
above grade to the ground around the building
c)
into a building sump discharging to a combined sewer
d)
to vertical primary roof drain conductors
65.
The slope of a horizontal combination waste and vent pipe shall not exceed __________ inch per foot.
a)
1/8"
b)
1/4"
c)
1/2"
d)
1
66.
The minimum pipe size for a flush valve urinal is…inch.
a)
3/8"
b)
1/2"
c)
3/4"
d)
1
67.
Shut off valves shall be located _ of a union for an appliance
a)
either upstream or downstream
b)
upstream
c)
downstream
68.
_ requirement shall apply,when different sections of the code make different requirements
a)
general
b)
most restrictive
c)
least restrictive
69.
_ are exempt from the provisions of the code provided there are no unsafe conditions
a)
Historic buildings
b)
Public buildings
c)
Police buildings
70.
Change of occupancy requires _ when the provisions of the IFGC are applicable
a)
inspection
b)
approval
c)
a certificate of occupancy
71.
_is applicable to fuel gas in townhouses not more than 3 stories tall w/ a separate means of egress.
a)
International Residential Code (IRC)
b)
International Building Code (IBC)
c)
International Mechanical Code (IMC)
72.
An Installation not required to be brought into compliance if it is _ at the time of adoption of the code.
a)
lawfully in existence
b)
labeled
c)
listed
73.
Alt. Mtrls or Methods are permitted that are not specifically prescribed by the code unless_
a)
listed
b)
approved
c)
tested
74.
Appliances shall be _, unless otherwise approved
a)
listed
b)
tested
c)
inspected
75.
International Fuel Gas Code does not apply to _
a)
LP-gas piping systems
b)
gaseous hydrogen systems
c)
oxygen-fuel gas cutting systems
76.
According to OSHA, compressed gas cylinders can be moved by __________________________.
a)
hoisting them with magnets
b)
tilting and rolling them on their bottom edges
c)
hoisting then with choker slings
d)
tipping them onto their sides and rolling them
77.
When opening a cylinder valve using a non-standard wrench, it is recommended by OSHA 1926 that the wrench is left on the valve while it is open. What is the safety reasoning for this action?
a)
So that the surface of the valve is kept clean.
b)
To turn off the fuel gas flow immediately in an emergency.
c)
To help the person who opened the valve remember where the wrench is.
d)
To open the valve more.
78.
Fuel-burning appliances are installed in a room with a volume of less than 50 cubic feet per 1,000 Btu/h of input. Which term "best fits this room"?
a)
confined space boiler room furnace room mechanical room
b)
boiler room
c)
furnace room
d)
mechanical room
79.
An extension ladder is leaning against the top of a wall. The approximate length of the ladder from the floor of the ladder to the point touching the top of the wall is 28 feet. What should be the distance between the base of the wall and the bottom of the ladder?
a)
9'
b)
8'
c)
6'
d)
7'
80.
Before a regulator to a cylinder valve is connected, the valve shall be _____. This action is generally termed "cracking" and is intended to clear the valve of dust or dirt that might otherwise enter the regulator. The person cracking the valve shall stand to one side of the outlet, not in front of it. The valve of a fuel gas cylinder shall not be cracked where the gas would reach welding work, sparks, flame, or other possible sources of ignition.
a)
open slightly and close immedediately
b)
smoothly and slowly opened until a cracking sound is heard
c)
quickly opened fully and closed very slowly
d)
tapped gently with a tool to clear any dust or dirt
81.
An inspection of excavations shall be made by a competent person for evidence of a situation that could result in possible cave-ins or safety hazard. This would include (but is not limited to) which one of the following conditions?
a)
after a heavy rainstorm
b)
on a bi-weekly schedule
c)
before a major project is undergone
d)
on a once-a-week schedule
82.
An extension ladder is leaning against the top of a wall. The approximate length of the ladder from the foot of the ladder to the point touching the top of the wall is 28 feet. What should be the distance between the base of the wall and the bottom of the ladder?
a)
9'
b)
6'
c)
7'
d)
8'
83.
What personal protective equipment is required when cranes are moving pieces of pipe overhead?
a)
hat hard
b)
respirator
c)
harness
d)
goggles
84.
Test duration with a volume of 1500 cubic ft must be not less than _ minutes.
a)
30
b)
60
c)
90
85.
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"
86.
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"
87.
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"
88.
Reviewing figure 11, what is B referred has?
a)
Flanged outlet
b)
Solder Joint
c)
Floor Drain
d)
Clean Out
89.
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"
90.
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"
91.
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"
92.
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"
93.
How many DFUs can go to a 3"dia. waste stack vent in any 1 branch interval w/out exceeding the total for the stack?
a)
two
b)
four
c)
eight
d)
unlimited
94.
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
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