Practice Test 1 Flashcards
Prepare for the UPC exam with practice tests and review questions. (220 cards)
2
Q
What size cleanout is required for a 3” pipe?
A
2 1/2”
3
Q
What is the size for a horizontal rainwater pipe with a slope of 1/8” per foot with a maximum flow rate of 200 gallons per minute?
A
6”
4
Q
Fill in the blank:
A vent terminal for a gas appliance passing through a roof with a slope over 14/12 to 16/12 shall have a minimum height above the roof of ______ feet.
A
6
5
Q
Convert:
10.83’ to feet and fractional inches.
A
10’ 10”
6
Q
When calculating water supply sizing for public use fixtures, what is the individual fixture unit value for each flushometer valve if there are three water closet valves installed?
A
20
7
Q
What is the maximum horizontal distance between supports for 1/2” Threaded Steel pipe for water lines?
A
10 feet
8
Q
Fill in the blank:
Sink faucets shall have a maximum flow rate of not more than ______ at 60 psi.
A
2.2 gpm
9
Q
Fill in the blank:
When calculating the opening for indoor combustion air on the same story, the dimensions for air openings shall be not less than ______ inches.
A
3
10
Q
What is the maximum horizontal spacing between supports for 2” steel gas pipe?
A
10 feet
11
Q
Calculate the measurement for O if the spread between pipes is 11” and L is 16”.
A
20 9/16”
12
Q
How many test cocks are required on a reduced-pressure principle backflow preventer assembly?
A
4
13
Q
What is the fitting that should be installed at point B?
A
3” x 2” Wye
14
Q
Find the drop if the grade is 1/8” per foot and the run is 20 feet.
A
2 1/2”
15
Q
Fill in the blanks:
The rough gas pipe inspection shall be made ______ gas piping has been installed and ______ the gas piping is covered or concealed.
A
after, before
16
Q
Find the grade of a pipe if the drop is 11 1/4” and the run is 90 feet.
A
1/8” per foot
17
Q
Fill in the blank:
Outdoor combustion air obtained through one permanent opening method shall have a minimum free area of 1 square inch per ______ BTU/h.
A
3000
18
Q
Fill in the blank:
Not more than ______ of the total permitted length of a drainage vent shall be installed in a horizontal position.
A
one-third
19
Q
Which is not one of the qualities required for plumbing fixture surfaces?
a. smooth
b. impervious
c. free from concealed fouling surfaces
d. textured
A
d. textured
20
Q
Calculate the measurement for a special case 90 degree offset using 45 degree elbows for M if the spread between pipes is 15”.
A
13 13/16”
21
Q
Which of the following fixtures in a food and beverage handling establishment does not require an indirect waste connection?
a. freezer
b. hand wash sink
c. steam table
d. hot and cold drink dispenser
A
b. hand wash sink
22
Q
Fill in the blank:
Tests requiring a pressure exceeding 10 psi shall be performed with gauges of ______ incrementation or less.
A
1 psi
23
Q
Fill in the blank:
Overpressure protection devices shall be installed on gas systems with a system pressure greater than ______ psi which serve appliances designed to operate at 14 inches water column.
A
2
24
Q
Fill in the blank:
Where galvanized piping is used for drainage, it shall be kept not less than ______ inches above ground.
A
6
25
Q
Fill in the blank:
The total required volume of indoor combustion air shall be ______ the required volume calculated for all appliances located within the space.
A
the sum of
26
What is the maximum developed length for a 3" drainage vent pipe?
212 feet
27
What is the minimum distance from a trap to the vent if the diameter of the trap arm pipe is 1 1/4"?
2 1/2"
28
# True or False:
This code is intended to prevent the use of systems and methods that are not approved but that are of equivalent or superior quality, strength, effectiveness or durability.
False
29
What is the size for a storm drain gutter with a slope of 1/4" per foot in a location with 4 inch per hour rainfall and a roof surface area of 500 square feet?
4”
30
What is the minimum indirect waste pipe size for a drain receiving condensate from equipment having a capacity of 36 tons of refrigeration?
1”
31
# Convert:
50 gallons into weight measurement in pounds.
416 pounds
32
What is the main gas pipe size for a pipe system having the following conditions:
Schedule 40 Metallic Pipe
Natural Gas
Inlet Pressure Less Than 2 psi
0.5 in. W.C.
Specific Gravity 0.60
Longest Length: 40 feet
Cubic Feet per Hour: 160
3/4"
33
A water heater costs $1320.00 at the supplier. The plumber will sell the water heater with a markup of 20%. What is the new price for the water heater?
$1,584.00
34
What is the pipe size for a building sewer that is carrying 6000 drainage fixture units and has a slope of 1/8" per foot?
12"
35
# Fill in the blank:
A private lavatory drain has a value of \_\_\_\_\_\_ Drainage Fixture Units (DFU).
1
36
# Fill in the blank:
The vertical distance between a fixture outlet and the trap weir shall not exceed \_\_\_\_\_\_ inches in length.
24
37
# Fill in the blank:
Interceptors necessary for handling all of the following materials, except for \_\_\_\_\_\_.
fecal matter
38
# Convert:
1.937” to fractional inches.
1 15/16"
39
# True or False:
Gas should only be turned on by an authorized person supplying gas to the system.
True
40
What is the required vent diameter given the following information?
Type B Double-Wall Gas Vent
Single Category 1 Appliance With Single Wall Metal
Connector Vent Height: 20'
Vent Lateral: 5'
Natural Draft
Appliance Input 175,000 BTU
6" pipe
41
What is the main gas pipe size for a pipe system having the following conditions:
CSST
Natural Gas
Inlet Pressure Less Than 2 psi
Pressure Drop 0.5 in. w.c.
Specific Gravity 0.60
Longest Length: 30 feet
Cubic Feet per Hour: 80
23
42
# True or False:
An air gap method of backflow prevention is approved for back siphonage situations.
True
43
# True or False:
A trap shall have a smooth and uniform interior waterway.
True
44
Calculate the diagonal for a rolling offset made with two 45 degree fittings which has a rise of 10 inches and an offset of 12 inches.
22.08 inches
45
What is the minimum distance for a sidewall sprinkler from a forward obstruction if the sprinkler deflector is 6 inches above the bottom of the obstruction?
13 feet
46
# Fill in the blank:
A circuit vent shall connect to the horizontal branch \_\_\_\_\_\_.
between the two most upstream trap arms
47
# True or False:
A gas appliance vent pipe may pass through a furnace plenum.
False
48
# Fill in the blank:
The stand pipe for a clothes washer shall not extend more than \_\_\_\_\_\_ inches above the trap weir.
30
49
What is the maximum length of a trap arm if the trap is 1 1/2"?
42”
50
What is the maximum number of drainage fixture units for a 4" horizontal drainage pipe?
216
51
# Fill in the blank:
When threaded fittings are used to connect CPVC pipe, the pressure rating shall be reduced by \_\_\_\_\_\_ percent.
50
52
# Fill in the blank:
No water closet shall be set closer than \_\_\_\_\_\_ inches from its center to a side wall or obstruction.
15
53
# Fill in the blank:
Food-preparation sinks, steam kettles, potato peelers, ice cream dippers and similar equipment shall be indirectly connected to the drainage system by means of an \_\_\_\_\_\_.
air gap
54
# Fill in the blank:
An appliance vent connector shall slope upward toward the vent at least \_\_\_\_\_\_.
1/4" per foot
55
Find the grade of a pipe if the drop is 20" and the run is 320 feet.
1/16" per foot
56
Find the volume of a rectangular aquarium that is 14” wide, 36” long and 16” deep on inside dimensions.
8064 cubic inches
57
# Fill in the blank:
The vent system shall be designed to prevent a trap seal from being exposed to a pressure differential that exceeds \_\_\_\_\_\_ on the outlet of the trap.
1 inch water column
58
When calculating the quantity of water required to be supplied to a plumbing fixture, what is the value for a public lavatory in water supply fixture units (WFSU)?
1
59
# Fill in the blank:
A means of egress in a trench excavation must be within \_\_\_\_\_\_ feet of the work being performed.
25 feet
60
# Convert:
6’ 3 5/8” to decimal feet.
6.30'
61
What is the maximum flow rate for a private lavatory faucet at 60 psi?
2.2 gpm
62
Find the percentage grade if the drop is 15 inches and the run is 110 feet.
1%
63
# Fill in the blank:
The secondary roof drain shall be located not less than \_\_\_\_\_\_ inches above the roof surface.
2
64
# Fill in the blank:
The yoke vent connection to the vent stack shall be placed not less than \_\_\_\_\_\_ inches above the floor level.
42
65
What color is assigned to mark Type L copper tubing?
Blue
66
What is the minimum number of lavatories required for males in a school with an occupant load of 150 people?
4
67
# Fill in the blank:
For a single-appliance gas vent, lateral lengths include two 90 degree elbows and each additional 45 degree elbow reduces the vent capacity by \_\_\_\_\_\_ %.
5
68
What is the maximum distance between adjacent scaffold planks?
1”
69
What are the minimum number of water closets required for females in a business with an occupant load of 175 people?
8
70
# Fill in the blank:
The minimum depth of a subsoil drain sump is \_\_\_\_\_\_ inches.
18
71
# Fill in the blank:
Vent pipes or stacks terminating vertically through a roof shall not be less than \_\_\_\_\_\_ inches above the roof.
6
72
# Fill in the blank:
When installing horizontal supports on full lengths of cast iron pipe, the supports adjacent to the joint shall be no more than \_\_\_\_\_\_ from the support.
18 inches
73
What is the pipe size for a vertical storm drain in a location with 3 inch per hour rainfall and a roof surface area of 22,000 square feet?
8"
74
# True or False:
Galvanized steel pipe for drainage vent systems shall be permitted for use below ground level.
False
75
Examine the figure below. What are the total drainage fixture units at point A?
## Footnote
Note: The water closets are 1.6 GPF Flushometer Valves. The urinals are 1.0 GPF.
99 DFU
76
# Fill in the blank:
Deck-mounted vacuum breakers shall be installed with the critical level not less than \_\_\_\_\_\_ inch(es) above the flood-level rim.
1
77
# Fill in the blank:
Subsoil drainpipe shall be not less than \_\_\_\_\_\_ inches in diameter.
3
78
What is the vent size at point D if the developed length of the vent is 160 feet?
4”
79
# Fill in the blank:
Typical fire sprinklers shall have a rating of not more than \_\_\_\_\_\_ degrees Fahrenheit.
170
80
What is the minimum air gap required for an effective opening that is 3/4" in diameter where not affected by side walls?
1 1/2"
81
# Fill in the blank:
Where a vertical side wall drains onto a roof, for two opposite walls of differing heights \_\_\_\_\_\_ percent of the wall area shall be added to the roof area figures.
50
82
# Fill in the blank:
A shower floor shall have a slope of not more than \_\_\_\_\_\_ towards the drain.
1/2" per foot
83
What color background is used for a sign to indicate potable water at a fixture?
Green
84
When a draft vent serves multiple appliances, what is the maximum horizontal length for a vent connector that is 10 inches in diameter?
15"
85
# Fill in the blank:
A drainage vent shall terminate not less than \_\_\_\_\_\_ feet above an openable window.
3
86
What is the minimum trap size for a floor drain?
2"
87
What is the pressure if the water source is 200 feet above the point of delivery?
A storage area where flammable liquids are stored in closed containers
88
What is the minimum dimension for a sand interceptor in square feet?
2
89
# Fill in the blank:
An accessible gas shutoff valve shall be provided \_\_\_\_\_\_ of each gas pressure regulator.
upstream
90
# True or False:
Trough urinals shall be permitted for installation.
False
91
# Fill in the blank:
Strainer plates on a drain inlet shall have openings no greater than \_\_\_\_\_\_.
1⁄2 inch
92
# Fill in the blank:
The volumetric flow rate of gas shall be adjusted for altitude where the installation is above \_\_\_\_\_\_ feet.
2000
93
# Fill in the blank:
The volumetric flow rate of gas shall be adjusted for altitude where the installation is above \_\_\_\_\_\_ feet.
completely tested
94
# Convert:
5.34 cubic feet into gallons.
40 gallons
95
Examine the figure below. What are the total drainage fixture units at point E?
25 DFU
96
What is the required vent diameter given the following information?
Type B Double-Wall Gas Vent
Single Category 1 Appliance Connected Directly to Vent
Vent Height: 25'
Vent Lateral: 8'
Natural Draft
Appliance Input 40,000 BTU
3" pipe
97
# Fill in the blank:
The size of the supply piping outlet for a gas appliance shall be not less than \_\_\_\_\_\_ in diameter.
6”
98
What is the size for a horizontal rainwater pipe with a slope of 1/8" per foot in a location with 4 inch per hour rainfall and a roof surface area of 11,500 square feet?
8"
99
# True or False:
A steam pipe is permitted to be directly connected to a drainage system and shall allow steam into the system.
False
100
What is the minimum drain size for a water heater pan?
3/4"
101
# True or False:
Condensate waste from air-conditioning coils are permitted to discharge by direct connection into a bathtub overflow inlet pipe.
True
102
What is the maximum length permitted for a dishwasher or ice maker connector?
120 inches
103
What is the maximum horizontal distance between supports for ABS pipe?
4 feet
104
What is the maximum drainage fixture unit value for a 2" trap and trap arm?
4 DFU
105
# Fill in the blank:
This code is an ordinance providing \_\_\_\_\_\_ requirements and standards for the protection of public health, safety and welfare.
minimum
106
# Fill in the blank:
Threaded metallic pipe used for gas piping systems that is 1/2" in size shall have approximately \_\_\_\_\_\_ threads cut into the pipe.
10
107
Calculate the diagonal for a pipe that offsets 15 inches using two 45 degree fittings.
21.2 inches
108
# Fill in the blank:
No building sewer shall be installed under or within \_\_\_\_\_\_ feet of the building structure.
2
109
# Fill in the blank:
A fused disconnecting means for a 3-phase, 480-volt motor shall have an ampere rating of not less than \_\_\_\_\_\_ of the full-load current rating of the motor.
1 foot
110
# True or False:
Pipe nipples created from cutting and threading pipe are not required to have markings of applicable standards.
True
111
What is the maximum length for a nonmetallic gas hose connector being used outdoors to connect a laboratory appliance?
15 feet
112
# Fill in the blank:
Plastic piping for gas systems shall be installed \_\_\_\_\_\_.
outdoors and below ground only
113
# Fill in the blank:
Plumbing systems in flood hazard areas shall be located \_\_\_\_\_\_ the elevation of utilities and equipment or the elevation of the lowest floor, whichever is higher.
above
114
# Fill in the blank:
A permit will expire if work has not commenced within \_\_\_\_\_\_ days.
180
115
# Fill in the blank:
No building sewer shall be installed less than \_\_\_\_\_\_ below the surface of the ground.
1 foot
116
# Fill in the blank:
Tests requiring a pressure of 10 psi or less shall be performed with gauges of \_\_\_\_\_\_ incrementation or less.
0.10 psi
117
What is the minimum waste outlet size for a bathtub or whirlpool?
1 1/2"
118
# Fill in the blank:
Where two or more vent connectors enter a common vent or single wall pipe, the smaller connector shall enter
\_\_\_\_\_\_.
at the highest level
119
# Fill in the blank:
A pressure vacuum breaker backflow prevention assembly must be installed in an upright position a minimum of \_\_\_\_\_\_ inches above the flood level rim of the receptor.
12
120
Find the area of a room that is 5’ 6” in width and 12’ in length.
66 square feet
121
What is the maximum number of drainage fixture units for a 2" horizontal drainage pipe?
8
122
# Fill in the blank:
Drains from overflows, relief pipes, water heaters, boilers and similar equipment shall be indirectly connected to the drainage system by means of an \_\_\_\_\_\_.
Air gap
123
# Fill in the blank:
Discharge lines serving backflow devices or assemblies shall be \_\_\_\_\_\_.
sized in accordance with discharge rates
124
# Fill in the blank:
Coverage of piping systems shall extend from the point of delivery to \_\_\_\_\_\_.
the appliance connections
125
# Fill in the blank:
Vent pipe openings from soil or waste pipe shall not be \_\_\_\_\_\_ the weir of the trap.
below
126
# True or False:
Gas piping is permitted to be supported by plastic brackets, hangers or straps.
False
127
What is the maximum number of drainage fixture units for a 1 1/2" horizontal drainage pipe?
1
128
# Fill in the blank:
The discharge piping from a grinding pump shall be not less than \_\_\_\_\_\_ inches in diameter.
1 1/4
129
# Fill in the blank:
When a gas system is being purged outdoors, the point of discharge shall be at least \_\_\_\_\_\_ feet from building openings.
10
130
# Fill in the blank:
Piping in the ground shall be laid on a firm bed \_\_\_\_\_\_.
For the entire length
131
# Fill in the blank:
Floor drains shall be equipped with a strainer having a water way \_\_\_\_\_\_ the area of the tailpiece.
Equivalent to
132
# Fill in the blank:
Screens for combustion air openings shall have a mesh that is not smaller than \_\_\_\_\_\_ of an inch.
1/4
133
# Fill in the blank:
A plan review fee shall be paid \_\_\_\_\_\_.
at the time of submitting construction documents
134
# True or False:
A fixture is permitted to be double trapped.
False
135
# Fill in the blank:
The discharge piping from a macerating toilet system shall be not less than \_\_\_\_\_\_ inch(es) in diameter.
3/4
136
# True or False:
Water closets, urinals and other plumbing fixtures conveying human waste shall drain through the grease interceptor.
False
137
What is the minimum vertical distance as measured from the lowest point of the indirect waste pipe to the flood level rim of an indirect waste receptor?
Not less than 1 inch
138
What is the main gas pipe size for a pipe system having the following conditions:
Polyethylene Plastic Pipe Natural Gas
Inlet Pressure Less Than 2 psi
Pressure Drop 0.5 in. w.c.
Specific Gravity 0.60
Longest Length: 180 feet
Cubic Feet per Hour: 32
1 1⁄2”
139
# Fill in the blank:
No water soil or waste pipe shall be installed \_\_\_\_\_\_ unless where necessary adequate provisions are made to protect the pipe from freezing.
In an exterior wall
140
# Fill in the blank:
A horizontal drainage pipe shall be provided with a cleanout for each \_\_\_\_\_\_ feet.
100
141
What is the minimum distance from a trap to the vent if the diameter of the trap arm pipe is 1 1/2"?
3”
142
# Fill in the blank:
Water heaters other than direct-vent type shall be located \_\_\_\_\_\_ the chimney or gas vent.
as close as practical to
143
Which of the following is not an approved pipe for use to convey acid or corrosive chemical indirect waste?
a. CPVC
b. PVC
c. PP
d. PVDF
b. PVC
144
# Fill in the blank:
An atmospheric vacuum breaker should be installed in the upright position \_\_\_\_\_\_ inches above the flood level rim.
6
145
# Fill in the blank:
A vent for a gas line pressure regulator shall terminate at least \_\_\_\_\_\_ feet from the source of ignition.
3
146
# True or False:
Backflow prevention assemblies are not required to be tested at the time of installation.
False
147
What is the minimum distance for a sidewall sprinkler from a side obstruction if the sprinkler deflector is 7 inches above the bottom of the obstruction?
4 1⁄2 feet
148
# True or False:
A gas supplier is permitted to turn on gas to a gas system prior to the final inspection certificate being issued.
False
149
What is the minimum trap size for a domestic dishwasher?
1 1⁄2”
150
Which is not one of the qualities required for plumbing fixtures listed?
a. flexible
b. dense
c. durable
d. non absorbent
a. flexible
151
What is the volume in gallons required for a gravity grease interceptor that is serving 200 DFU?
2000
152
# Fill in the blank:
Threaded metallic pipe used for gas piping systems that is 1" in size shall have approximately \_\_\_\_\_\_ threads cut into the pipe.
10
153
# Which word is described by the following definition?
A physical separation which may be a low inlet into the indirect waste receptor from the fixture, appliance or device indirectly connected.
Air break
154
What is the pipe size for a building sewer that is carrying 9000 drainage fixture units and has a slope of 1/4" per foot?
12”
155
# Fill in the blank:
Where vents for appliances penetrate outside walls of buildings, the annular space shall be \_\_\_\_\_\_ to prevent the entry of combustion products into the building.
Permanently sealed
156
# Fill in the blank:
Trenches shall be backfilled in thin layers to \_\_\_\_\_\_ above the top of the pipe with clean earth.
12 inches
157
What is the required vent diameter given the following information?
Type B Double-Wall Gas Vent
Single Category 1 Appliance Connected Directly to Vent
Vent Height: 20'
Vent Lateral: 5'
Natural Draft
Appliance Input 80,000 BTU
4” pipe
158
# Fill in the blank:
Fixtures connecting to a circuit vent horizontal branch shall connect \_\_\_\_\_\_.
horizontally
159
# Fill in the blank:
Where a vertical side wall drains onto a roof, for two opposite walls of the same height \_\_\_\_\_\_ percent of the wall area shall be added to the roof area figures.
no additional
160
# Fill in the blank:
For a single-appliance gas vent, lateral lengths include two 90 degree elbows and each additional 90 degree elbow reduces the vent capacity by \_\_\_\_\_\_ %.
10
161
# True or False:
Gas appliances may be installed in a garage at the same floor level if they are installed in an enclosed space having access from outside the garage.
True
162
What is the maximum horizontal distance between supports for 3" copper pipe?
10 feet
163
# Fill in the blank:
The diameter of an individual vent shall be not less than \_\_\_\_\_\_.
1 1⁄4”
164
# Fill in the blank:
When sizing a hybrid pressure gas system, the higher-pressure gas piping size shall be determined using the longest length from the point of delivery to \_\_\_\_\_\_.
the most remote line pressure regulator
165
# Fill in the blank:
The unthreaded portion of gas piping outlets shall extend not less than \_\_\_\_\_\_ above the surface of floors.
2 inches
166
# Fill in the blank:
Water closets shall have a maximum consumption not to exceed \_\_\_\_\_\_ gallons of water per flush.
1.6
167
Which of the following appliances does not require a sediment trap?
a. gas dryer
b. tankless water heater
c. furnace
d. boiler
a. gas dryer
168
What color solvent cement is required for CPVC that does not require the use of primer?
Yellow
169
# Fill in the blank:
Where the design and free area of a metal louver and grille are not known, it shall be assumed that metal louvers have \_\_\_\_\_\_ percent free area for combustion airflow.
75
170
# Which word is described by the following definition?
That part of the lowest piping of a drainage system that receives the discharge from soil, waste, and other rainage pipes inside the walls of the building and conveys it to the building sewer beginning 2 feet outside the building wall.
Building drain
171
# Fill in the blank:
Double sanitary tees shall be permitted to be used for horizontal drainage piping where the barrel of the fitting is not less than \_\_\_\_\_\_ pipe sizes larger than the inlet.
2
172
# Which word is described by the following definition?
A vent that also serves as a drain.
Wet vent
173
What is the maximum horizontal distance between supports for 3/4" PE-RT pipe?
32 inches
174
Which of the following is not exempt from the requirement to obtain a permit?
a. stopping leaks in a drain
b. reinstallation of a toilet
c. repairing a faucet leak
d. replacing a section of drainage pipe
d. replacing a section of drainage pipe
175
When calculating water supply sizing for public use fixtures, what is the accumulative fixture unit value for water closet flushometer valves if there are three installed?
90
176
# True or False:
Waste from a slaughterhouse is not required to drain through a grease interceptor.
False
177
# Fill in the blank:
Shower lining materials shall extend not less than \_\_\_\_\_\_ inches above the top of the finished threshold or horizontal surfaces such as a seat.
3
178
What is the minimum number of lavatories required for females in a business with an occupant load of 175 people?
4
179
# Fill in the blank:
Markings with referenced standards on the pipes, pipe fittings, traps, fixtures and other materials shall be done by the \_\_\_\_\_\_.
manufacturer
180
What is the required size for a water softener connection if the building has 2 1/2 bathrooms?
3⁄4”
181
What is the maximum vertical developed length in feet for a 1 1/2" horizontal drainage pipe?
65
182
# Fill in the blank:
Scupper openings on a secondary roof drain shall be not less than \_\_\_\_\_\_ inches high.
4
183
# Fill in the blank:
The threads of drainage fittings shall be tapped to allow \_\_\_\_\_\_ per foot grade.
1/4 “
184
# Fill in the blank:
No building sewer shall be installed under or within \_\_\_\_\_\_ feet of a building or structure such as a porch, breezeway, roofed patio, carport or covered driveway.
2
185
What are the minimum dimensions for a rooftop access door leading to an appliance?
22” x 24”
186
# Fill in the blank:
In cold climate areas, backflow assemblies shall be \_\_\_\_\_\_.
protected from freezing
187
# Fill in the blank:
Urinals shall not be set closer than \_\_\_\_\_\_ inches center to center.
24
188
# Fill in the blank:
The maximum travel distance from the entry of a store to the toilet facility shall not exceed \_\_\_\_\_\_ feet.
300
189
# Fill in the blank:
A sewage ejector pump receiving discharge from water closets shall have a discharge capacity of not less than \_\_\_\_\_\_ gpm.
20
190
# Fill in the blank:
The tracer wire installed with an underground plastic gas pipe shall be \_\_\_\_\_\_ AWG wire.
14
191
# Fill in the blank:
In no case shall the vertical piping between fixtures in a wet vent be less than \_\_\_\_\_\_ inches in diameter.
2
192
# Fill in the blank:
The minimum pump capacity for a subsoil drain sump is \_\_\_\_\_\_ gpm.
15
193
# Fill in the blank:
Building supply yard piping shall be not less than \_\_\_\_\_\_ inches below the average local frost depth.
12
194
# Fill in the blank:
A permit holder is required to notify the Authority Having Jurisdiction that the plumbing work is ready for
inspection at least \_\_\_\_\_\_ hours before the work is to be inspected.
24
195
# Fill in the blank:
A shower dam or threshold shall not be less than \_\_\_\_\_\_ lower than the sides of the back of such a receptor.
1”
196
How many sets of plans must be submitted to the Authority Having Jurisdiction to receive approval for an alternative engineered design?
2
197
What is the maximum spacing between supports for 3/4" smooth-wall gas tubing?
6 feet
198
What is the size for a horizontal rainwater pipe with a slope of 1/2" per foot in a location with 3 inch per hour rainfall and a roof surface area of 7,000 square feet?
5”
199
# True or False:
Plumbing drainage or building sewer systems may be located on a neighboring lot when permission is obtained from the owner of the neighboring lot.
False
200
# True or False:
Drainage and vent piping shall be drilled or tapped for the purpose of making connections when necessary.
False
201
# True or False:
A permit may give authority to cancel provisions of the code.
False
202
When calculating the quantity of water required to be supplied to a plumbing fixture, what is the value for a public drinking fountain in water supply fixture units (WFSU)?
0.5
203
# Fill in the blank:
Steel pipe used for gas piping systems shall be at least \_\_\_\_\_\_ pipe.
Schedule 40
204
# Fill in the blank:
Flexible water heater connectors shall not exceed \_\_\_\_\_\_ inches in length.
24
205
What is the main gas pipe size for a pipe system having the following conditions:
Schedule 40 Metallic Pipe
Natural Gas
Inlet Pressure Less Than 2 psi
0.5 in. W.C.
Specific Gravity 0.60
Longest Length: 120 feet
Cubic Feet per Hour: 490
1 1⁄2”
206
# Fill in the blank:
A chimney for residential type gas appliances shall extend at least \_\_\_\_\_\_ feet higher than any portion of a building within a horizontal distance of 10 feet.
2
207
# Fill in the blank:
The trap for a clothes washer shall be installed not more than \_\_\_\_\_\_ inches above the floor.
18
208
# True or False:
Drainage vent piping and fittings are required to be of the same material standards as drainage piping.
True
209
What is the required vent connector diameter given the following information?
Type B Double-Wall Gas Vent
Two or More Appliances
Category 1 Appliances With Type B Double-Wall Connector
Vent Height: 25'
Connector Rise: 2'
Natural Draft
Appliance Input 120,000 BTU
6” pipe
210
If there is a conflict between the plumbing code and the manufacturer's installation instructions, which shall prevail?
the more stringent requirement
211
# True or False:
Slip joint connections are required to be provided with an access.
True
212
What is the minimum horizontal distance required that a building sewer should be away from a water supply well?
50 feet
213
What is the approximate gas input for a 40 gallon tank water heater?
35,000 BTU
214
What is the pipe size for a vertical storm drain in a location with 1 inch per hour rainfall and a roof surface area of 31,500 square feet?
5”
215
# Fill in the blank:
A vent terminal for a gas appliance passing through a roof with a slope over 12/12 to 14/12 shall have a minimum height above the roof of \_\_\_\_\_\_ feet.
5
216
# Fill in the blank:
Hose connections in health care or laboratory areas shall be not less than \_\_\_\_\_\_ feet above the floor.
5
217
What is the maximum temperature for public lavatories?
120 degrees F
218
# Fill in the blank:
A public 1.6 GPF water closet flushometer valve drain has a value of \_\_\_\_\_\_ Drainage Fixture Units (DFU).
4
219
# True or False:
Clear water wastes from swimming pools are required to discharge through an indirect waste.
True
220
# Fill in the blank:
When calculating the opening for indoor combustion air on the same story, each opening shall have a minimum free area of \_\_\_\_\_\_ per 1000 BTU.
1 square inch
221
What is the maximum horizontal distance between supports for PVC pipe?
4 feet
