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WorksheetsUPC Review Chapters 5 - 8
Total questions: 115
Worksheet time: 58mins
It shall be unlawful for any person to install, remove, or replace any water heater without first _____.
obtaining a plumbing contractor license from the Authority Having Jurisdiction
obtaining a permit from the Authority Having Jurisdiction
having a plumbing journeyman’s license
having permission from the building owner
A vent connector connected to a chimney flue serving a fireplace is _____.
prohibited unless the fireplace flue opening is permanently sealed
prohibited
required to be a direct-vent type
required to use Type B connector
A draft hood-equipped water heater is vented through a concealed space. The portion of the vent passing through the concealed space shall _____.
not exceed 6 feet in length
be a minimum 5 inches in diameter
be listed Type B, Type L, or listed material having equivalent insulating qualities
be a minimum 24 gauge material
The minimum capacity for a storage water heater is _____.
not regulated by code
required to be a minimum of 40 gallons
required to be a minimum of 50 gallons
based on the “first hour rating” and the number of bedrooms and bathrooms
A water heater installed in a residential garage shall be _____.
listed for a garage installation
located or protected from damage by a moving vehicle
located not less than 16 inches above the garage floor
a direct-vent water heater
A final water heater inspection shall be made after _____.
all plumbing fixtures have been installed
all gas appliances have been installed
work authorized by the permit has been installed
the plumber has left the job
A three-bedroom home with two bathrooms is equipped with a gas storage-type water heater. The minimum capacity for the water heater in accordance with the first hour ratings is _____. (OPEN BOOK)
38 gallon
49 gallon
62 gallon
74 gallon
Outdoor combustion air shall be supplied by _____.
1-1/2 inch Schedule 80 PVC
2 inch Schedule 40 PVC
one or two permanent openings
18 gauge round duct
Indoor combustion air supplied by using the “Standard Method” requires a minimum volume of _____.
100 cu. ft. per 1,000 Btu/hr
50 cu. ft. per 1,000 Btu/hr
50 cu. ft. per 2,000 Btu/hr
25 cu. ft. per 2,000 Btu/hr
Combustion air ducts that terminate in an attic shall _____.
be screened at the attic end only
be screened at both ends
not be screened
not be screened unless screen openings are at least 1 inch minimum
Draft hood-equipped and other fuel-burning Category I water heaters may be installed in closets, bedrooms and bathrooms provided _____.
the appliance is listed
the closet is of fire-resistant construction
the closet has a listed, gasketed door assembly and a listed self-closing device
combustion air is provided by adjacent room
Water heaters supported from the earth shall rest on _____.
listed concrete blocks
a level concrete or other approved base
level solid undisturbed earth
a listed base of noncombustible construction
A special gas vent shall only be installed on a water heater if _____.
a gravity vent is not practicable
head height above the water heater is less than 1 foot
it is listed and installed per the listing and the manufacturer’s instructions
the fire department or fire marshal deems it to be necessary
The maximum horizontal length of a 5-inch vent connector for a water heater shall not exceed _____.
3 feet
6 feet
7-1/2 feet
4 feet
Referring to the above drawing for a direct vent appliance with an input of 50,000 Btu or less, the minimum distance at X shall be _____ inches. The minimum distance at Y shall be at least _____ inches.
12, 9
12, 12
9, 12
9, 9
Referring to the above drawing for a direct vent appliance with an input greater than 50,000 Btu, the minimum distance from an opening into a building shall be _____ inches. The minimum distance of the bottom of the vent terminal above finish grade shall be _____ inches.
12, 9
12, 12
9, 12
9, 9
A Type B vent with a listed cap of 14 inches shall terminate at least _____ higher than any portion of a building within 10 feet.
1 foot
2 feet
18 inches
3 feet
When using an alternative method of sizing with two vent connectors for draft hood-equipped water heaters, the effective area of the common vent connector or vent manifold and all junction fittings shall not be less than the area of the larger vent connector plus _____ percent of the areas of smaller flue collar outlets.
50
75
25
10
Where utilizing louvers and grills to provide combustion air, and the design and free area are not known, it shall be assumed that wood louvers will have _____ percent free area and metal louvers and grills will have _____ percent free area.
50, 25
25, 75
25, 50
50, 75
Exit terminals of mechanical draft systems shall not be less than _____ above grade where located adjacent to public walkways.
6 feet
7 feet
10 feet
8 feet
Clearances for listed water heaters shall be _____.
a minimum of 1 inch to combustible construction
a minimum of 2 inches to combustible construction
in accordance with their listing and the manufacturer’s instructions
a minimum of 6 inches to unprotected combustible construction
A Type B gas vent shall terminate at least _____ feet above the highest connected equipment draft hood or flue collar.
12
6
5
10
Indirect-fired water heaters that incorporate a single-wall heat exchanger shall _____.
(A) have a maximum operating pressure in the heat exchanger not exceeding the maximum operating pressure of the potable water supply
(B) have a heat-transfer medium of potable water or other nontoxic fluid recognized as safe by the FDA
(C) bear the proper “caution” labels
(D) meet all of the above
The passageway for a water heater in an attic shall be unobstructed and shall have a solid flooring not less than _____ inches wide from the entrance opening to the water heater.
22
30
24
36
For attic installation, the passageway and servicing area adjacent to the appliance shall be _____.
identified
well lighted
dry
floored
For each additional elbow up to and including 45 degrees, the maximum vent connector capacity listed in the venting tables, where two 90 degree elbows are used, shall be reduced by what percentage?
.5
5
6.25
50
The code requirement for “an adequate supply of potable running water” is for _____.
cleansing and sanitation
protection of trap seals
water-cooled equipment
hydronic systems
The primary reason for installing backflow prevention assemblies is to _____.
prevent excessive pressure
prevent mixing of hot and cold water
prevent pollution or contamination of the potable water supply
prevent scalding
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 _____.
1/2 inch
1 inch
3 inches
6 inches
Minimum height of the atmospheric vacuum breaker critical level above of a urinal equipped with a flushometer valve: _____
1 inch
3 inches
6 inches
12 inches
Minimum height of the atmospheric vacuum breaker critical level above the overflow rim of a tank, vat or swimming pool: _____
1 inch
2 inches
6 inches
12 inches
Minimum height of the atmospheric vacuum breaker critical level above all downstream piping for lawn sprinkler system: _____
1 inch
6 inches
12 inches
24 inches
PEX tubing shall not be installed within the first _____ of piping connected to a water heater.
12 inches
18 inches
24 inches
36 inches
Each outlet on a nonpotable water system that is used for special purposes shall be posted _____.
DANGER – PROCESSED WATER
DANGER – CONTAMINATED WATER
DANGER – POLLUTED WATER
CAUTION – NONPOTABLE WATER DO NOT DRINK
All malleable iron water fittings shall be _____.
2 inch or smaller
galvanized
flanged
removed
Water valves 2-1/2 inches and larger may have bodies that are _____.
galvanized
die-cast
aluminum core
cast iron
Changes in direction of copper tubing may be made with _____.
non deforming bending equipment
heat annealing
ferrous fittings
plastic fittings
Water piping systems shall be designed on the basis of the _____.
maximum pressure
minimum pressure
average residual pressure
average service pressure
Copper water tube Type “M” may be installed within a building _____.
below slab only
above ground only
for cold water only
if it is wrapped
After allowing for friction and other pressure losses, the residual water pressure shall be at least _____.
.433 psi
7.5 psi
15 psi
29 psi
Combination temperature and pressure relief valves shall be installed _____.
based on their listing requirements and the manufacturer’s instructions
within 3 inches to 6 inches of the water heater
in lieu of pressure-relief valves
on all nonstorage-type water heaters
Galvanized steel piping installed under a concrete floor slab within a building shall _____.
have a machine-applied coating
have a spiral wrap
be installed without joints
be installed with brazed joints
Water piping may be installed in the same trench with less than 12 inches of separation from a building sewer constructed of _____.
cast iron
clay
asbestos cement
bituminized fiber
Building supplies shall be no smaller than that required for the installation and, in no case, smaller than _____ inch(es).
1/2
3/4
1
2
The type of valve required on a building supply to any building is a _____.
fullway valve
corporation valve
butterfly valve
globe valve
Other than systems sized by the use of Table 610.4, the maximum velocity of a cold water system containing copper and copper alloy tube and fittings shall be limited to _____.
5 feet per second
8 feet per second
10 feet per second
15 feet per second
Discharge piping serving a pressure-relief shall be provided with a _____.
full size drain
check valve to prevent backflow
trapped drain line
drain that terminates 30 inches or more above grade
Hard-drawn copper tubing, marked with a blue stripe, is referred to as _____.
Type “K”
Type “L”
Type “M”
Type “DWV”
The color stripe on Type “K” hard-drawn copper tubing is _____.
green
blue
red
yellow
Whenever fixtures and/or fixture fittings are installed that require a residual water pressure higher than 15 pounds per square inch _____.
(A) that minimum pressure shall be provided
(B) provisions shall be made to use fixtures that do not require
(C) the piping system shall be not less than copper tubing Type L
(D) A and C apply
The duration for a water system pressure test shall be for a period of not less than _____ minutes.
5
10
15
30
Except as required in Section 601.3.3, nonpotable water systems shall have a _____ with black uppercase lettering, with the words “CAUTION: NONPOTABLE WATER, DO NOT DRINK.”
white background
blue background
green background
yellow background
Any water system 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.
double-check valve
expansion tank
temperature & pressure relief valve
PRV
Solder and fluxes used in piping systems conveying potable water are prohibited when the lead content exceeds _____ percent.
0.2
0.5
1
1.5
The minimum wall thickness for threaded plastic pipe (not molded fittings) shall be _____.
Schedule 40
ScheduIe 80
1/8 inch
1/16 inch
Heat-fusion weld joints _____.
are used in some thermoplastic systems
are low-temperature, metallic pipe welds
require prior approval of an Authority Having Jurisdiction
may be used in drainage systems but not pressure systems
A _____ joint is an example of a mechanical joint for CPVC Plastic pipe.
welded
soldered
solvent welded
flanged
A type of plastic water piping that may be tested with air is _____.
PVC
CPVC
PP
PEX
Three-inch horizontal drainage piping shall have a grade or slope of not less than _____.
1/4 inch per foot
1/8 inch per foot
1/2 inch per foot
1 inch per foot
The maximum fixture unit loading allowed on a 2 inch waste stack is _____.
four
six
eight
sixteen
The maximum trap loading for a 3 inch trap is _____.
one unit
three units
four units
six units
The minimum size trap and trap arm for a bathtub is _____.
1-1/2 inches
2 inches
2-1/2 inches
3 inches
The maximum discharge capacity for intermittent flow only, in gallons per minute, for one fixture unit is equal to _____.
7-1/2 gpm
15 gpm
30 gpm
50 gpm
The minimum size drain line for a wall-hung urinal is _____ inches.
2
1-1/4
1-1/2
3
The discharge line from an ejector shall be provided with a backwater valve, _____.
or swing check valve, and gate valve
or double check valve, and globe valve
spring-loaded check valve, and union
gate valve, and flange
A horizontal drain pipe has an existing load of 30 fixture units. After adding a new discharge pipe from an ejector rated at 60 gpm, the total load on the horizontal drain pipe will be _____.
90 fixture units
120 fixture units
130 fixture units
150 fixture units
The total number of fixture units at “A” is _____.
16
20
22
24
The minimum size pipe at “B” is _____.
1-1/2 inches
2 inches
1-1/4 inches
2 1/2 inches
The number of fixture units at “C” is _____.
2
4
6
8
The minimum size trap at “D” is _____.
1-1/2 inches
2 inches
3 inches
4 inches
Of those listed, the appropriate fitting at “E” would be a _____.
drainage wye
drainage tee
combination Y and 1/16 bend
long sweep 90˚ bend
The cleanout opening at “F” shall be at least _____.
2 inch
2-1/2 inch
3 inch
4 inch
The minimum size trap arm at “G” is _____ inch.
2
2-1/2
3
4
The maximum fixture units allowed on a 4-inch horizontal drain with a 1/8 inch per foot slope is _____. (OPEN BOOK)
256 fixture units
225 fixture units
215 fixture units
173 fixture units
A straight run of building sewer will require cleanouts at intervals not to exceed _____.
50 feet
75 feet
100 feet
300 feet
With appropriate cause and Authority Having Jurisdiction approval, building sewers 8 inches or larger shall be permitted to have a slope of not less than _____.
1/16 inch per foot
1/8 inch per foot
1/4 inch per foot
1/2 inch per foot
The drainage fixture unit value assigned to a bathtub or combination bath/shower is _____.
1.5
2.0
2.5
3.0
A connection to the public sewer, or private sewage disposal system, is required for _____.
buildings with or without plumbing fixtures
buildings with plumbing fixtures
buildings with emergency drain systems
buildings with storm drain systems
All indirect waste piping that requires an airgap shall discharge into the building drainage system through _____.
an automatic vent
an airgap of two pipe diameters
a drainage airgap of 1 inch minimum
a trap
Except for refrigeration coils and ice-making machines, the minimum size of the indirect waste pipe shall not be smaller than the drain on the unit and not smaller than _____ inch(es).
3/4
1
1-1/4
1-1/2
Drains, overflows, or relief pipes from a water distribution system shall discharge to the building drain by _____.
indirect waste by means of a water-distribution airgap
direct connection to the building drain
direct connection to the building drain through a trap
indirect waste piping through a vented trap
Devices that are not regularly classified as plumbing fixtures, but which have drip or drainage outlets, shall be drained by _____.
a connection directly to the building
indirect waste pipes discharging into an open receptor through an airgap or airbreak
indirect waste piping connected to the building drain
direct connection to a storm sewer
The developed length from the fixture outlet of a bar sink to the receptor shall not exceed _____ feet.
6
5
3
15
A standpipe for a clothes washer shall have a minimum and maximum length of _____.
4 inches and 12 inches
18 inches and 30 inches
18 inches and 24 inches
12 inches and 36
No drain, overflow, or relief vent from a water supply system, or any other discharges under pressure shall be discharge to the drainage system _____.
by means of indirect waste through an airgap or airbreak
by direct connection
through the garbage disposal
with a branch wye tailpiece
1. Drinking fountains may be installed with _____.
a hose connection
a condensate pump
a Hartford loop
indirect waste
1. _____ shall not be used for chemical or industrial waste that requires pretreatment.
Glass
PVC
Cast-iron
Copper tube
Whenever practicable, all piping receiving chemical waste shall be _____.
concealed
readily accessible
covered
in clear view
No chemical waste vent shall _____.
(A) terminate outside the building
be connected to any vent from water service lines
intersect vents for other services
connect to any waste line
When discharged into the drainage system, condensate shall drain by means of a(an) _____.
indirect waste pipe
direct waste pipe
Johnson Tee
backflow preventer
The minimum size condensate waste pipe from a 12-ton refrigeration unit is _____.
3/4 inch
1 inch
1-1/4 inches
1-1/2 inches
1. Vent pipes protect fixture traps against _____.
evaporation
siphonage
clogging
cross-connections
4. One factor for determining the size of a vent pipe is _____.
its accessibility
its length
the type of building
the price of material
5. The combination of vent pipes that will provide sufficient aggregate cross-sectional vent area for required a 4-inch house sewer is _____.
1 - 2 inch and 4 – 1-1/2 inch
2 - 2 inch and 1 – 2-1/2 inch
3 - 2 inch and 1 – 1-1/2 inch
4 - 2 inch
7. The diameter of an individual vent shalI not be less than _____.
1-1/4 inches
1-1/2 inches
2 inches
3 inches
8. The distance “X” in the sketch above shall be at Ieast _____.
1 inch
2 inches
6 inches
12 inches
10. The vent pipe opening is above the crown weir of the trap in _____.
sketch “A”
sketch “B”
sketch “C”
sketches “A” and “B”
11. A 2-inch vent pipe will serve a total of _____.
14 bathtubs
16 showers
24 lavatories
15 water closets
12. Each vent pipe or stack shalI extend through its flashing and shall terminate vertically above the roof at least _____.
6 inches
12 inches
18 inches
24 inches
18. Parallel vent stacks are required for drainage stacks that extend above the building drain _____.
five stories or more
10 stories or more
50 feet
100 feet
19. The parallel vent stack shall be connected to the drainage stack by means of a _____.
circuit vent
loop vent
yoke vents
continuous vents
21. Horizontal vent pipes shall be level or so graded as to drip back by gravity to _____.
the main vent pipe
the main soil stack
the loop vent
the drainage pipe they serve
25. A drainage stack extends 14 stories above the building drain and is served by a parallel vent stack. A relief yoke vent connection between the vent stack and the drainage stack is required at _____.
floors 5 and 10
floors 4 and 9
floors 4 and 10
floors 5 and 9
26. The fitting that is required for making the yoke vent intersection with the drainage stack is a _____.
sanitary tee
tapped tee
double tee branch
wye branch
34. The pipe section between the kitchen sink inlet and the lavatory inlet (point “A”) serves as a _____.
vent pipe for the kitchen sink
waste pipe for the lavatory
vent pipe for the lavatory
both A and B
The total number of fixture units at point “B” is _____.
one unit
two units
three units
four units
38. The sketch represents _____.
reverse circuit loop venting
continuous waste and vent
special venting for island fixtures
combination waste and vent
39. The pipe section at “A” is called a _____.
foot vent
yoke vent
loop vent
fixture vent
42. The type of fitting acceptable at “D” is a _____.
sanitary tee
sanitary tapped tee
90-degree elbow
90-degree sweep
44. The maximum length for piping “C” without a vent is _____.
5 feet
10 feet
15 feet
25 feet
45. The minimum size (diameter) of the tailpiece for the floor drain served by “A” is _____.
1-1/2 inches
2 inches
2-1/2 inches
3 inches
47. The minimum size (diameter) for vent piping “B” shall be approximately equal to _____.
the cross-sectional area of the drain pipe served
one-half the inside cross-sectional area of the drain pipe served
the size of the uppermost trap
one-half the size of the uppermost trap
50. Horizontal wet venting _____.
is not permitted by the code
shall be permitted for public bathrooms
shall be permitted for a bathroom group located on the same floor level
shall be a minimum 4 inches in size
55. The _____ fixture drain or trap arm connection to the wet vent shall be downstream of fixture drain or trap arm connections to the horizontal branch.
shower
floor drain
water closet
bathtub
64. Fixtures, other than circuit vented fixtures, located on the same floor as circuit-vented fixtures shall be either common vented or _____.
individually vented
wet vented
island vented
stack vented
