Practice Test 2 Flashcards
Prepare for the UPC exam with practice tests and review questions. (240 cards)
1
Q
Fill in the blank:
Shower compartments shall have a finished interior space capable of encompassing a ______ inch circle.
A
30
2
Q
Calculate the measurement for a special case 90 degree offset using 45 degree elbows for M if the spread between pipes is 14”.
A
10 5/8’
3
Q
Fill in the blank:
The maximum distance between manholes shall not exceed ______ feet.
A
300
4
Q
Fill in the blank:
The maximum temperature allowed from a steam pipe into an indirect waste receptacle shall be ______ degrees Fahrenheit.
A
140
5
Q
What are the required dimensions for a work platform in front of an appliance in an attic or under the floor?
A
30” x 30”
6
Q
Using the standard method for calculating indoor combustion air, how many cubic feet shall be required per 1000 BTU per hour?
A
50
7
Q
What is the required vent diameter given the following information?
Type B Double-Wall Gas Vent
Single Category 1 Appliance Connected Directly to Ven,
Vent Height: 30’
Vent Lateral: 12’
Natural Draft
Appliance Input 160,000 BTU
A
5 pipe”
8
Q
What is the size for a storm drain gutter with a slope of 1/8” per foot in a location with 4 inch per hour rainfall and a roof surface area of 2,000 square feet?
A
8”
9
Q
Convert:
37.4 gallons to cubic feet
Semi-Rigid Copper Tubing Type K
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: 40
A
5 cubic feet
10
Q
What are the total drainage fixture units at point C?
A
32 DFU
11
Q
True or False:
Regulator vent piping may be vented into the appliance flue or exhaust system.
A
False
12
Q
Fill in the blank:
A Type B gas vent shall terminate at least ______ feet above the highest connected appliance.
A
5
13
Q
True or False:
Multiple buildings on the same lot may have a combined connection to the public sewer.
A
True
14
Q
Fill in the blank:
When work is performed ______ feet above lower levels, fall protection is required.
A
6
15
Q
When a draft vent serves multiple appliances, what is the maximum horizontal length for a vent connector that is 8 inches in diameter?
A
12”
16
Q
What is the gas pipe size for a pipe system having the following conditions:
Semi-Rigid Copper Tubing Type K
Undiluted Propane
Inlet Pressure 11 in. w.c.
Pressure Drop 0.5 in. w.c.
Specific Gravity 1.50
Longest Length: 50 feet
BTU per Hour: 150
A
3/4”
17
Q
What are the maximum drainage fixture units that can be served by a 3” vent pipe?
A
84
18
Q
What is the minimum distance from a trap to the vent if the diameter of the trap arm pipe is 2”?
A
4”
19
Q
Find the grade of a pipe if the drop is 21” and the run is 84 feet.
A
1/4” per foot
20
Q
Which of the following is not an approved method for providing overflow protection for indirect condensate waste?
a. water level detecting device that will shut off the equipment
b. watertight pan with separate drain line
c. additional drain line pipe with connection higher than the primary drain
line
d. water overflow detecting alarm device
A
d. water overflow detecting alarm device
21
Q
What is the minimum air gap required for an effective opening that is 1/2” in diameter where not affected by side walls?
A
1”
22
Q
For appliances listed for use with Type B gas vents, what is the minimum required distance from combustible material for a single-wall metal pipe connector?
A
6”
23
Q
Fill in the blank:
An abandoned building sewer shall be plugged or capped within ______ feet of the property line.
A
5
24
Q
What is the drainage fixture unit value for an intermittent flow of 20 GPM?
A
4 DFU
25
# True or False:
When an existing plumbing system is altered during a renovation, it does not have to conform to the requirements of the code.
False
26
# Fill in the blank:
Trenches deeper than the footing of a building and running parallel to the footing shall be located not less than \_\_\_\_\_\_ degrees from the bottom exterior edge of the footing.
45
27
Which of the following is not an approved method for protecting the potable water supply to irrigation systems?
a. double check valve
b. atmospheric vacuum breaker
c. spill resistant pressure vacuum breaker
d. reduced-pressure principle backflow preventer assembly
a. double check valve
28
# Fill in the blank:
The inside radius of a gas pipe bend shall be not less than \_\_\_\_\_\_ times the outside diameter of the pipe.
6
29
# True or False:
A spill-resistant pressure vacuum breaker is approved for backsiphonage situations.
True
30
What is the maximum spacing between supports for 3/4" steel gas pipe?
8 feet
31
What color is assigned to mark Type K copper tubing?
green
32
# Fill in the blank:
The maximum horizontal length of a single-wall connector shall be \_\_\_\_\_\_ of the height of the chimney or vent.
75%
33
What are the total drainage fixture units at point A?
25 DFU
34
# Fill in the blank:
Generally maximum operating pressure for any gas piping system inside of a building shall not exceed \_\_\_\_\_\_ .
5 psi
35
Which of the following is lawful to be deposited into the plumbing drainage system?
a. ashes
b. rags
c. explosive liquids
d. clear water waste
d. clear water waste
36
# Fill in the blank:
Outdoor combustion air obtained through the two permanent openings method communicating with the outdoors through horizontal ducts shall have a minimum free area of 1 square inch per \_\_\_\_\_\_ BTU/h.
2000
37
# Convert:
12.46’ to feet and fractional inches.
12' 5 1/2"
38
# Fill in the blank:
No water closet shall be set closer than \_\_\_\_\_\_ inches center to center to a similar fixture.
30
39
# True or False:
The installation of an "S" trap is prohibited.
TRUE
40
# Fill in the blank:
The minimum diameter of a subsoil drain sump is \_\_\_\_\_\_ inches.
15
41
What is the minimum distance that an intermediate fire sprinkler should be installed from a luminaire up to 250 Watts?
3 feet
42
Calculate the diagonal for a rolling offset made with two 45 degree fittings which has a rise of 12 inches and an offset of 14 inches.
26.07 inches
43
Find the area of a square that is 33' 6" on each side.
1122 square feet
44
# Fill in the blank:
Each fixture trap shall have a liquid seal of not more than \_\_\_\_\_\_ inches.
4
45
What is the approximate gas input for a typical warm air furnace in a multifamily dwelling?
60,000 BTU
46
# Fill in the blank:
When disinfecting a potable water system with a chlorine solution of 50 parts per million, the system shall be valved off and allowed to stand for \_\_\_\_\_\_ hours.
24
47
# Convert:
7.75” to fractional inches.
5' 7 1/2
48
# Convert:
5.625’ to feet and fractional inches.
7 3/4"
49
An island fixture vent shall come up in the cabinet and return to the floor by the use of which elbow fitting orientation?
a. 45 - 90 - 90
b. 45 - 45 - 90
c. 45 - 90 - 45
d. 90 - 45 - 90
c. 45 - 90 - 45
50
# Fill in the blank:
Tests requiring a pressure exceeding 100 psi shall be performed with gauges incremented for \_\_\_\_\_\_ of the required test pressure.
2 percent or less
51
# Fill in the blank:
Shoring in a trench excavation must extend down to within \_\_\_\_\_\_ inches of the bottom of the trench.
24
52
# Find the area:
A tank that has a diameter of 48 inches.
1808 square inches
53
# Fill in the blank:
When testing a drainage and vent system using water, the water shall be kept in the system for not less than \_\_\_\_\_\_ minutes before the inspection starts.
15
54
# Convert:
25' 10 7/8” to decimal feet.
25.90'
55
# Fill in the blank:
The maximum hot water temperature discharging from a bidet faucet shall be limited to \_\_\_\_\_\_ degrees F.
110
56
What is the minimum pipe size for a waste line on an oil and flammable liquid interceptor?
3”
57
# Fill in the blank:
Extension ladders are to extend \_\_\_\_\_\_ above the upper landing surface.
3 feet
58
# Convert:
77,760 cubic inches into cubic feet.
45 cubic feet
59
What is the maximum horizontal distance between supports for 1/2" PEX pipe?
32 inches
60
What is the main gas pipe size for a pipe system having the following conditions:
Schedule 40 Metallic Pipe
Natural Gas
Inlet Pressure 2 psi
Specific Gravity 0.60
Longest Length: 230 feet
Cubic Feet per Hour: 3650
2”
61
Find the drop if the grade is 1/8" per foot and the run is 150 feet.
18 3⁄4”
62
# Fill in the blank:
The total capacity of fixtures discharging into a hydromechanical grease interceptor shall not exceed \_\_\_\_\_\_ times the gallon per minute flow rate of the interceptor.
2 1/2
63
# Fill in the blank:
Vitrified clay pipe shall be installed not less than \_\_\_\_\_\_ inches below ground.
12
64
What is the pipe size for a vertical storm drain in a location with 2 inch per hour rainfall and a roof surface area of 5,500 square feet?
4”
65
# Fill in the blank:
The maximum developed length for an indirect waste pipe in a food handling establishment shall not exceed \_\_\_\_\_\_.
15 feet
66
# Fill in the blank:
The trap for a clothes washer shall be installed not less than \_\_\_\_\_\_ inches above the floor.
6
67
A bonding wire connecting CSST tubing to the electrical service grounding shall be what size wire?
6 AWG
68
# Fill in the blank:
The steel nail plate shall extend along the framing member not less than \_\_\_\_\_\_ beyond the outside diameter of the pipe.
1 1/2 inches
69
# Fill in the blank:
The pipe size of each section of a gas piping system shall be determined using the longest length from \_\_\_\_\_\_ to the most remote outlet.
The point of delivery
70
What is the minimum fixture branch water supply pipe size for a dishwasher?
1⁄2 “
71
# Fill in the blank:
Where static water pressure in a water supply system is exceeding \_\_\_\_\_\_ psi, an approved pressure regulator shall be installed.
80
72
What is the required common vent diameter given the following information?
Type B Double-Wall Gas Vent
Two or More Connectors
Category 1 Appliances With Single-Wall Metal
Connector
Vent Height: 15'
Both appliances are Natural Draft Combined Appliances
Input 140,000 BTU
5” pipe
73
What is the maximum length permitted for a washing machine connector?
72 inches
74
# Fill in the blank:
When installing horizontal supports for cast iron piping, supports shall be provided at \_\_\_\_\_\_.
each horizontal branch connection
75
# Fill in the blanks:
The final gas pipe inspection shall be made \_\_\_\_\_\_ gas piping has been concealed and \_\_\_\_\_\_ the appliance has been attached.
After, before
76
# True or False:
Where new branches are installed to an existing gas piping system, only the newly installed branches are required to be pressure tested.
True
77
# Fill in the blank:
Clear space in front of a plumbing fixture shall be not less than \_\_\_\_\_\_ inches.
24
78
What is the water meter and street service pipe size if the system pressure is over 60 psi, the developed length is 275 feet and the fixtures require 254 WSFU?
1 1/2"
79
What is the minimum clearance for a 4" cleanout?
24 “x 24”
80
What is the size for a horizontal rainwater pipe with a slope of 1/4" per foot in a location with 2 inch per hour rainfall and a roof surface area of 11,500 square feet?
6”
81
# Fill in the blank:
For a group wash lavatory fixture, every \_\_\_\_\_\_ inches of rim space shall be considered one lavatory.
20
82
# Fill in the blank:
Where a vertical side wall drains onto a roof, for two adjacent walls of equal height \_\_\_\_\_\_ percent of the wall area shall be added to the roof area figures.
35
83
What is the vent size at point D in the figure below if the developed length of the vent is 75 feet?
2
84
Which of the following is not an example of liquid discharge that would require indirect waste piping?
a. condensate waste
b. chemical wastes
c. private lavatory waste
d. clear water waste
c. private lavatory waste
85
# Fill in the blank:
The maximum hot water temperature discharging from a bathtub and whirlpool bathtub filler shall be limited to \_\_\_\_\_\_ degrees F.
120
86
Which of the following is not true for an island fixture vent?
a. The vent shall extend as high as possible in the cabinet.
b. The return vent shall be connected to the horizontal drain through a
sanitary tee fitting.
c. The vent shall extend to the height of the drainboard.
d. A foot vent shall be taken off the vertical fixture vent by means of a
wye branch fitting.
b. The return vent shall be connected to the horizontal drain through a sanitary tee fitting.
87
# Fill in the blank:
Gas meters shall be selected for the \_\_\_\_\_\_ expected pressure and permissible pressure drop.
maximum
88
# Convert:
6 7/16” to decimal inches.
6.437"
89
# Fill in the blank:
Each plumbing fixture trap shall be protected against siphonage and backpressure by means of \_\_\_\_\_\_.
vent pipes
90
# Fill in the blank:
The soil pipe for a water closet shall be not less than \_\_\_\_\_\_ inches in diameter.
3
91
What color background is used for a sign to indicate an alternate water source is providing water to a fixture?
purple
92
What is the minimum waste outlet size for a lavatory?
1 1/4"
93
# Fill in the blank:
The diameter of horizontal and vertical drainage individual vents shall be not less than \_\_\_\_\_\_.
1 1⁄4 “
94
# Fill in the blank:
One trap shall be permitted to serve a set of not more than \_\_\_\_\_\_ single compartment sinks.
three
95
What are the minimum number of water closets required for females in a restaurant with an occupant load of 175 people?
4
96
Find the drop if the grade is 1/4" per foot and the run is 80 feet.
20”
97
What is the maximum distance that an intermediate fire sprinkler should be installed from a heat duct that is not insulated?
18 feet
98
# Fill in the blank:
Each drainage stack that extends \_\_\_\_\_\_ or more stories shall be served by a parallel vent stack.
10
99
What is the minimum trap size for a single head shower?
2”
100
Calculate the diagonal for a pipe that offsets 10 inches using two 45 degree fittings.
14.1 inches
101
A toilet costs $645.00 at the supplier. The plumber will sell the faucet with a markup of 35%. What is the new price for the faucet?
$870.75
102
# Convert:
200 gallons into weight measurement in pounds.
1666 pounds
103
What is the minimum pipe size for a circuit vent?
2”
104
Calculate the measurement for M if the spread between pipes is 17" and J is 18".
10 15/16”
105
What is the size for a horizontal rainwater pipe with a slope of 1/4" per foot with a maximum flow rate of 600 gallons per minute?
8”
106
# Fill in the blank:
Bottle filling stations shall be permitted to be substituted for up to \_\_\_\_\_\_ percent of the required drinking fountains.
50
107
How tall is a water tower if the pressure at the base is 75 psi?
173 feet
108
# Fill in the blank:
Each drainage vent shall rise vertically to a point not less than \_\_\_\_\_\_ inches above the flood level rim of the fixture served before offsetting horizontally.
6
109
# Fill in the blank:
A window areaway drain with an area of 8 square feet shall discharge to a subsoil drain through a \_\_\_\_\_\_ inch diameter pipe.
2”
110
# Fill in the blank:
PEX tubing that is installed for residential sprinkler installations shall have a pressure rating of not less than \_\_\_\_\_\_ psi at 120 degrees Fahrenheit.
130
111
# True or False:
Plumbing may be concealed in walls or floors before it has been tested and inspected as long as it can still pass a test.
False
112
# Fill in the blank:
For gas piping carrying pressure greater than 14 inches water column, the test pressure shall be not less than \_\_\_\_\_\_ psi.
60
113
# Fill in the blank:
A sediment trap shall be installed \_\_\_\_\_\_ of the gas appliance shutoff valve.
downstream
114
# Fill in the blank:
Tunnels shall have a clear height of \_\_\_\_\_\_ feet above the pipe.
2
115
Which of the following is not a requirement when applying for a permit?
a. signature of the permittee
b. construction documents
c. proof of insurance
d. description of work to be performed
c. proof of insurance
116
What is the maximum horizontal distance between supports for 3/4" copper pipe?
6 feet
117
# Fill in the blank:
A 2-inch relief vent shall be provided for a circuit-vented horizontal branch receiving the discharge of \_\_\_\_\_\_ water closets when connecting to a drainage stack that receives discharge from upper horizontal branches.
4 or more
118
What is the maximum vertical distance between supports for copper pipe?
10 feet
119
What are the total drainage fixture units at point B?
64 DFU
120
# Fill in the blank:
Storm water is permitted to discharge onto flat areas such as a lawn so long as the water \_\_\_\_\_\_.
flows away from the building
121
# Fill in the blank:
When a gas system is being purged outdoors, the point of discharge shall be at least \_\_\_\_\_\_ feet from mechanical air intake openings.
25
122
# True or False:
A urinal may be installed on a combination waste and vent system.
False
123
When a draft vent serves multiple appliances, what is the maximum horizontal length for a vent connector that is 12 inches in diameter?
18”
124
# Fill in the blank:
When testing a drainage and vent system using water, no section shall be tested with less than a \_\_\_\_\_\_ foot head of water.
10
125
# Which word is described by the following definition?
Any combination of fixtures, not to exceed one water closet, two lavatories, either one bathtub or one combination bath/shower, and one shower and may include a bidet and an emergency floor drain.
Bathroom Group
126
# True or False:
To perform a water test on a storm drainage system, all openings shall be closed and except for the highest and the system shall be filled with water to the point of overflow.
True
127
# True or False:
Indirect waste pipes from food handling fixtures shall combine with other indirect waste pipes.
False
128
# Fill in the blank:
Outdoor combustion air obtained through the two permanent openings method directly communicating with the outdoors shall have a minimum free area of 1 square inch per \_\_\_\_\_\_ BTU/h.
4000
129
What is the main gas pipe size for a pipe system having the following conditions:
Semi-Rigid Copper Tubing Type K
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: 40
1/2"
130
# True or False:
Gas piping installed on a roof surface shall be elevated above the roof surface.
True
131
# True or False:
Storm drainage conductors and leaders shall be installed with the same pipe and fitting orientation as sanitary drainage.
True
132
# True or False:
Periodic removal of accumulated grease, scum or oil from an interceptor is not necessary.
False
133
# True or False:
The Authority Having Jurisdiction is permitted to require the submission of plans, specifications, drawings and other information before work on the project begins.
True
134
What is the maximum vertical distance between supports for PVC DWV pipe?
Base and each floor
135
What are the maximum drainage fixture units that can be served by a 4" vent pipe?
256
136
# Fill in the blank:
Drains in the gutters for public shower floors shall be placed no more than \_\_\_\_\_\_ feet from sidewalls.
8
137
# True or False:
A roof drain strainer for a parking deck shall be permitted to be of the flat surface type.
True
138
# True or False:
A combination waste and vent system shall not be permitted by code.
False
139
What is the minimum trap size for a lavatory?
1 1/4"
140
What is the minimum diameter drainage pipe for the discharge pipe from a sewage ejector pump for buildings other than single dwelling units?
3”
141
# Fill in the blank:
When a water heater is installed on an approved base, the base shall extend not less than \_\_\_\_\_\_ inches above the adjoining ground level.
3
142
# True or False:
Drawn-copper alloy tubing traps shall be used for urinals.
False
143
What is the maximum number of drainage fixture units
for a 3" vertical drainage pipe?
48
144
# Fill in the blank:
A building sewer pipe that is 8" in diameter shall be installed at a uniform slope of not less than \_\_\_\_\_\_ inch per foot toward the point of disposal.
1/16
145
# True or False:
Plastic piping used for underground gas piping systems shall be installed with a tracer wire.
True
146
# Fill in the blank:
The maximum horizontal length of a Type-B double wall connector shall be \_\_\_\_\_\_ of the height of the chimney or vent.
100%
147
# True or False:
Before connecting additional appliances to a gas pipe system, the existing piping shall be checked to determine whether it has adequate capacity.
True
148
# True or False:
Sleeves shall be provided to protect piping through a concrete wall where openings were drilled or bored.
False
149
# True or False:
When imperfections such as cracks or holes are discovered on materials, the imperfections may be concealed by paint, wax, tar, solvent cement or other leak sealing agents.
False
150
# Fill in the blank:
The required slope for drainage piping that is smaller than 4" in diameter is \_\_\_\_\_\_ inch per foot.
1/4
151
Which of the following is not considered a suds-producing fixture?
a. bathtub
b. kitchen sink
c. washing machine standpipe
d. lavatory
d. lavatory
152
What is the gas pipe size for a pipe system having the following conditions:
CSST Undiluted Propane
Inlet Pressure 11 in. w.c.
Pressure Drop 0.5 in. w.c.
Specific Gravity 1.50
Longest Length: 65 feet
BTU per Hour: 120
30
153
What is the pipe size for a building sewer that is carrying 2800 drainage fixture units and has a slope of 1/16" per foot?
10”
154
Which of the following is lawful to be deposited into the plumbing drainage system?
a. solids
b. sewage
c. oils
d. grease
b. sewage
155
# True or False:
Plumbing systems or equipment regulated by the code may be connected to a source of energy before being approved by the Authority Having Jurisdiction.
False
156
# Fill in the blank:
The air pressure test of a CSST gas piping system shall be held for at least \_\_\_\_\_\_ minutes without a drop in pressure.
30
157
What is the pipe size for a building sewer that is carrying 300 drainage fixture units and has a slope of 1/4" per foot?
10”
158
Which of the following is not to be used as a test medium for pressure testing gas lines?
a. air
b. nitrogen
c. carbon dioxide
d. oxygen
d. oxygen
159
# True or False:
Multiple appliances are permitted to share a manual appliance shut off valve.
False
160
# True or False:
The installation of a crown-vented trap shall be permitted.
False
161
# Fill in the blank:
The equipment, material, and labor necessary for inspection or test shall be furnished by \_\_\_\_\_\_.
the person to whom the permit is issue
162
What is the maximum horizontal distance between supports for 3/4" PEX-AL- PEX pipe?
98 inches
163
# True or False:
CSST is permitted to be used as a gas appliance connector.
True
164
# True or False:
Drips and sediment traps in gas lines shall be in locations that are readily accessible.
True
165
# Fill in the blank:
Where water pressure from a main source is less than \_\_\_\_\_\_ psi, a tank and a pump shall be installed to provide sufficient pressure.
16
166
# Fill in the blank:
Covering for the building supply yard piping shall be not less than \_\_\_\_\_\_ inches below finished grade.
12
167
Which of the following best describes how a copper tube should be reamed?
a. in a clockwise direction
b. in a counter-clockwise direction
c. to the full inside diameter
d. more than the full inside diameter
c. to the full inside diameter
168
What is the main gas pipe size for a pipe system having the following conditions:
Schedule 40 Metallic Pipe
Natural Gas
Inlet Pressure 2 psi
Specific Gravity 0.60
Longest Length: 570 feet
Cubic Feet per Hour: 10,340
3”
169
# Fill in the blank:
Valves, pipes and fittings shall be installed in correct relationship to the \_\_\_\_\_\_.
direction of flow
170
# True or False:
A domestic dishwashing machine is permitted to be directly connected to food waste disposer without the use of an air gap fitting.
False
171
What is the required single-wall metal vent connector diameter given the following information?
Type B Double-Wall Gas Vent
Two or More Appliances
Category 1 Appliances With Single-Wall Metal Connector
Vent Height: 9'
Connector Rise: 2'
Natural Draft
Appliance Input 40,000 BTU
4” pipe
172
# Fill in the blank:
The anti siphon fill valve for a toilet tank should be \_\_\_\_\_\_ inch(es) above the opening of the overflow pipe in the tank.
1
173
# True or False:
An anti siphon fill valve for gravity water closet flush tanks is approved for backpressure situations.
False
174
# Fill in the blank:
\_\_\_\_\_\_ faucets shall be installed on lavatories intended to serve the transient public.
Self-closing or metering
175
# True or False:
The vent pipe opening from a waste pipe shall be below the weir of the trap.
False
176
# True or False:
The horizontal drain pipe in a circuit vent shall be considered both a drain and a vent from the most downstream trap arm connection to the most upstream trap arm connection.
True
177
# True or False:
Concealed gas piping shall be permitted to be located in solid partitions such as a concrete wall.
False
178
Which of the following is not an approved means for flushing a water closet?
a. flushometer valve
b. flushometer tank
c. flush tank
d. flushomatic valve
d. flushomatic valve
179
# Fill in the blank:
If external damage to the pipe or tubing is likely, underground gas piping systems shall be installed with a minimum of \_\_\_\_\_\_ inches of cover.
18
180
# True or False:
Before turning gas on to a gas piping system, the entire system should be inspected for any open fittings or valves.
True
181
What is the gas pipe size for a pipe system having the following conditions:
Schedule 40 Metallic Pipe
Undiluted Propane
Inlet Pressure 10 psi
Pressure Drop 3 psi
Specific Gravity 1.50
Longest Length: 200 feet
Thousands of BTU per Hour: 1000
1/2"
182
# Fill in the blank:
Combustion air intake openings shall be located at least \_\_\_\_\_\_ inches vertically from finished ground level.
12
183
What is the water meter and street service pipe size if the system pressure is over 60 psi, the developed length is 120 feet and the fixtures require 640 WSFU?
2”
184
# True or False:
A chemical waste vent is permitted to intersect with vents from other services.
False
185
# Fill in the blank:
A water supply piping test shall hold pressure without leakage for a period of not less than \_\_\_\_\_\_ minutes.
15
186
# True or False:
A lavatory vent shall be permitted to serve as a wet vent for a bathroom group.
True
187
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: 220 feet
Cubic Feet per Hour: 1160
3”
188
What is the minimum trap size for a domestic clothes washer?
2”
189
# True or False:
Where a fixture is provided with an overflow, the standing water in the fixture shall be permitted to rise above the overflow when the drain stopper is closed.
False
190
# True or False:
A dual check valve backflow prevention assembly is approved for high hazard backflow situations.
False
191
# True or False:
The openings through a baffle in a sand interceptor should be in a straight line of flow between the inlet and the outlet pipe.
False
192
# Fill in the blank:
A vent pipe for a gas appliance that is 12 inches or less in size shall terminate not less than \_\_\_\_\_\_ feet from a vertical wall.
8
193
# True or False:
Leaders or conductors shall not be used as soil, waste or vent pipes.
True
194
# True or False:
A water heater may be inspected before the work for installation is entirely complete.
False
195
# True or False:
Type M copper tubing shall be permitted to be used for water piping underground inside of a structure.
False
196
What are the minimum number of water closets required for males in a mercantile occupancy with an occupant load of 50 people?
1
197
What is the required vent diameter given the following information?
Masonry Chimney
Single Category 1 Appliance With Type B Double-Wall
Connector
Vent Height: 20'
Vent Lateral: 10'
Natural Draft
Appliance Input 90,000 BTU
5" pipe
198
# Fill in the blank:
Drinking fountains shall not be required for an occupant load of \_\_\_\_\_\_ or less.
30
199
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: 10'
Vent Lateral: 5'
Natural Draft
Appliance Input 40,000 BTU
4” pipe
200
What is the minimum trap size for a 1.0 GPF urinal?
2”
201
# True or False:
Each fixture discharging into a grease interceptor shall be individually trapped and vented.
True
202
A shower door shall not be less than \_\_\_\_\_\_ inches wide.
22
203
# True or False:
A 3 inch diameter draft vent shall be permitted to be connected to a 4 inch diameter draft hood.
False
204
# True or False:
Plumbing fixtures are required to be trapped by a liquid seal trap.
True
205
# Fill in the blank:
Pipes that are driven below ground shall be not less than \_\_\_\_\_\_ larger than the pipe being laid.
one size
206
# Fill in the blank:
A mechanical draft venting system shall terminate at least \_\_\_\_\_\_ feet above any forced air inlet located within 10 feet.
3
207
What is the required common vent diameter given the following information?
Type B Double-Wall Gas Vent
Two or More Connectors
Category 1 Appliances With Type B Double-Wall
Connector
Vent Height: 18'
both appliances are Natural Draft
Combined Appliances Input 80,000 BTU
4" pipe
208
What is the maximum length permitted for a fixture supply connector?
30 inches
209
# Fill in the blank:
\_\_\_\_\_\_ shall be of sufficient strength to support the weight of the pipe and its contents.
Hangers
210
# Fill in the blank:
Intermediate fire sprinklers shall have a rating of not more than \_\_\_\_\_\_ degrees Fahrenheit.
225
211
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 120,000 BTU
5" pipe
212
Which is not a material approved for securing fixtures?
a. copper
b. copper alloy
c. corrosion resistant material
d. steel
d. steel
213
What size drain should be provided for a fire sprinkler piping system?
1/2"
214
What is the approximate gas input for a typical free standing gas range?
65,000 BTU
215
Which of the following appliances does not require a sediment trap?
a. water heater
b. gas range
c. furnace
d. boiler
b. gas range
216
# True or False:
Through-the-wall vents for Category II appliances shall not terminate over a public walkway.
True
217
What is the maximum horizontal distance between supports for 1 1/4" PEX pipe ?
48 inches
218
# Which word is described by the following definition?
An impairment of the quality of the potable water that creates an actual hazard to the public health through poisoning or the spread of disease by sewage, industrial fluids, or waste.
Contamination
219
# True or False:
Food waste disposers shall be connected to a grease interceptor.
False
220
What is the minimum drain size which the trap connects to for a domestic kitchen sink?
2”
221
# True or False:
Bladders, check valves or other moveable parts shall be permitted to serve as a trap.
False
222
# Fill in the blank:
Drainage vents that connect to a horizontal drain shall branch off of the drain pipe \_\_\_\_\_\_.
above the drainage centerline
223
# True or False:
A manually operated damper shall be permitted to be placed in an appliance vent connector.
False
224
# True or False:
A trap that depends on the action of movable parts for its seal shall be permitted to be installed.
False
225
# Which word is described by the following definition?
A receptor designed to collect surface or storm water from an open area.
Area Drain
226
What are the minimum number of drinking fountains required in a library with an occupant load of 350 people?
2
227
What is the minimum air gap required for an effective opening that is 1" in diameter where not affected by side walls?
2”
228
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: 75 feet
Cubic Feet per Hour: 125
31
229
# True or False:
Cast iron pipe shall be permitted for use for gas piping systems.
False
230
When calculating water supply sizing for public use fixtures, what is the individual fixture unit value for each flushometer valve if there are four water closet valves installed?
15
231
When calculating the quantity of water required to be supplied to a plumbing fixture, what is the value for a private clothes washer in water supply fixture units (WFSU)?
4
232
What size cleanout is required for a 4" pipe?
3 1/2"
233
# True or False:
The circulation pump for a whirlpool tub is permitted to be installed below the crown weir of the trap.
False
234
# Fill in the blank:
A vent pipe for a gas appliance that passes through an insulated attic shall have a shield that extends not less than \_\_\_\_\_\_ inches above the insulation.
2
235
# True or False:
The Authority Having Jurisdiction does not have the authority to disconnect a plumbing system where necessary to eliminate an immediate hazard to life or property.
False
236
# True or False:
In the case of one- or two- family dwellings, storm water is permitted to discharge onto the street or lawn.
True
237
What is the maximum horizontal distance between supports for 1" CPVC pipe?
3 feet
238
# Fill in the blank:
Unions shall be installed in the water supply piping not more than \_\_\_\_\_\_ inches from the regulating equipment, water heating, conditioning tanks and smaller equipment.
12
239
# Fill in the blank:
Closet flanges shall be approximately \_\_\_\_\_\_ inches in diameter.
7
240
# True or False:
Plastic piping for storm drainage shall be tested using air.
False
