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Plumbing Code FLASH > Plumbing Code OVERALL > Flashcards

Plumbing Code OVERALL Flashcards

1
Q

What is the result of improper plumbing?

A

Introduction of pathogenic organisms into potable water supply, escape of toxic gases into environment, and potentially lethal disease and epidemic

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2
Q

What is a building drain?

A

Part of the horizontal piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of a building and it conveys it to 5 feet outside the foundation walls

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3
Q

Who shall inspect every sprinkler system installed by an irrigation contractor?

A

A licensed plumber

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4
Q

Who shall do the planning and designing of plumbing systems and all plumbing?

A

Licensed plumbers and licensed apprentice plumbers

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5
Q

What’s the minimum age for apprentice plumbers?

A

16

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6
Q

All trucks advertising plumbing must have?

A

A plumbing license number

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7
Q

How many plumbers are on the examination board?

A

9

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8
Q

When do plumbing licenses expire?

A

April 30th

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9
Q

What can a retired plumber do?

A

Nothing

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10
Q

How long are plumbing licenses renewed for?

A

1 year

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11
Q

What’s the maximum number of applicants per exam?

A

50 and 40 in the winter months

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12
Q

What are the three parts of the exam?

A

Written questions, drawings and/or charts, and practical

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13
Q

What is the average grade to pass the exam?

A

75 or above

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14
Q

How do you qualify to be an applicant for a plumbers license?

A

Successfully pass the plumbing exam and pay the license fee

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15
Q

What’s the minimum age for a retired plumber?

A

62

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16
Q

How many hours of continuing education is required?

A

4 hours

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17
Q

How much is the cost of the exam for Illinois apprentice plumbers?

A

$175

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18
Q

What’s the cost for a plumbing license renewal?

A

$150

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19
Q

The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank or plumbing fixture and the flood-level rim of the receptacle

A

Air Gap or Open Site

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20
Q

What is the purpose of a backflow preventer?

A

To prevent the contamination of the potable water supply through an actual or potential cross connection

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21
Q

T or F: There shall be no physical connection between the potable water system and any non-potable water source

A

True

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22
Q

What is the minimum allowable distance buried pipe must be laid parallel to the inside or outside footings?

A

18 inches

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23
Q

T or F: Groundwater, roof drainage, discharge from footing tile drains or other storm water wastes shall be discharged into the sanitary drainage system

A

False

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24
Q

Pipes passing under or through walls or floors shall be protected from ____ caused by stress or strain

A

Breakage or Failure

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25
Q

All plumbing fixtures, drains, appurtenances, and appliances used to relieve or discharge sanitary waste shall be connected to the ______ _______

A

Drainage system

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26
Q

A concussion or sound of concussion of moving water against the sides of a pipe or vessel due to a sudden stoppage of flow

A

Water Hammer

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27
Q

What is the purpose of a trap?

A

To prevent back passage of air without affection to the flow of sewage or waste water

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28
Q

A device or system of piping to maintain a water seal in a trap is called a _____

A

Trap Primer

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29
Q

An appurtenance installed beneath piping and/or fixture to collect and drain any leakage

A

Safe Pan

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30
Q

Water that is safe for human consumption is called what?

A

Potable water

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31
Q

A pipe that does not connect directly with the drainage system but discharges into the drainage system by means of an air gap is the definition for what?

A

Indirect waste

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32
Q

Gray water is waste water not containing _____ or ______

A

Fecal matter or Urine

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33
Q

Building drain terminates ______ feet outside the foundation wall

A

5 feet

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34
Q

After 5 feet, the piping, which extends from the building drain, is the _________

A

Building sewer

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35
Q

The reversal of flow from that is normally intended

A

Back Flow

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36
Q

A vent connecting at the junction of 2 fixture drains and serving as a vent for both fixtures is a __________ vent

A

Common Vent

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37
Q

T or F: Used pipe can be installed in a potable water system

A

False

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38
Q

What material can safe pans be made of?

A

Lead, copper, aluminum, galvanized steel, abs, pvc, or fiberglass material

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39
Q

Lead sheets for safe pans shall weigh _____ pounds per square foot

A

4 lbs/Sq. Ft.

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40
Q

Copper sheets for safe pans shall weigh at least ______ ounces per square foot

A

12 oz./sq.ft.

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41
Q

All plumbing material must be labeled by an agency that is approved by the ________ or is a ________ accredited certification program

A

Department, ANSI

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42
Q

ABS and PVC safe pans and liners shall be ______ welded together with proper cement

A

Solvent

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43
Q

Aluminum, galvanized steel, and stainless steel safe pans shall be at least ______ gauge material

A

24 gauge

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44
Q

What is marked or cast stamped on every plumbing material?

A

Manufacturers Identification of materials

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45
Q

ABS or PVC safe pans or liners shall be _______ or ______

A

30 or 40 mil

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46
Q

T or F: Fiberglass for safe pans or liners shall be as durable as PVC or ABS

A

True

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47
Q

T or F: All material, piping, fitting, appliances, appurtenances, faucets, fixture fitting, fixtures, and devices don’t have to be approved by the department.

A

False

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48
Q

In a water supply system a union should be installed within ____ feet of equipment

A

5 feet

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49
Q

When can you decrease pipe on a drainage system?

A

Water Closet

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50
Q

What must be used when copper and galvanized pipe are joined?

A

Brass converter fitting or dielectric type Union

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51
Q

Can PVC be connected into the hub of cast iron pipe with a service weight gasket on a DWV system?

A

Yes

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52
Q

Rolled grooved mechanical joints may only be used on what type of copper?

A

K or L

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53
Q

When can you use Cement mortar joints?

A

Repairs

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54
Q

How much lead should be poured in a caulk joint?

A

1”

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55
Q

What will happen in a caulked joint if the spigot end doesn’t rest against the bottom of the hub?

A

Oakum may enter the pipe and cause a stoppage

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56
Q

Can you use lead Solder on a DWV system?

A

No

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57
Q

How should no hub soil pipe joints be connected?

A

Elastomeric gasket with a stainless steel band or clamps

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58
Q

A kitchen sink with up to 3 basins may be installed on one trap if one compartment is not more than 6 inches deeper than the other and the waste outlets are not more than _____ inches apart

A

30 inches

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59
Q

The standpipe inlet for an automatic clothes washer shall not exceed ______

A

48 inches above the weir of the trap
24 inches minimum above the weir of the trap

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60
Q

Where loss of a trap seal may occur due to evaporation, which one of the following shall not be used?

A

Vacuum breaker

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61
Q

The standpipe inlet for an automatic clothes washer shall not exceed _____.

A

48in above the weir of the trap.

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62
Q

The standpipe inlet for an automatic clothes washer shall not exceed _____.

A

48in above the weir of the trap.

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63
Q

Where loss of a trap seal may occur due to evaporation, what shall not be used?

A

Vacuum breaker

64
Q

Where loss of a trap seal may occur due to evaporation, what shall not be used?

A

Vacuum breaker

65
Q

T or F: No trap shall be installed at the base of a soil or waste stack or in a building drain.

A

True

66
Q

A clean out shall be provided at, or no more than ____ ft. Above the base of each vertical waste or soil stack.

A

4 ft

67
Q

T or F: Every clean out shall be installed so that the clean out opens in the same direction as the flow of the drainage.

A

False

68
Q

Clean outs shall be of the same size as the pipe they serve up to a maximum of ____ in., and at least _____ in., for larger pipe.

A

6in, 6in

69
Q

Clean outs shall be no more than ____ ft. apart including the developed length of a clean out pipe, in a horizontal drainage line of 4in. or less

A

50 ft.

70
Q

T or F: A test tee at the base of a stack may not be used as a clean out.

A

False

71
Q

All clean outs in vertical stacks shall be no higher than _____ in. above the floor.

A

48 in.

72
Q

A grease interceptor located on a floor below the fixture shall have ____ % of the liquid holding capacity of the fixture.

A

60%

73
Q

In commercial vehicle repair garages and gasoline stations in which floor drains are installed, a minimum of one floor drain per working stall or one floor drain for each _____ sq. ft. shall be installed.

A

500 sq. ft.

74
Q

T or F: Poured concrete interceptors are prohibited.

A

True

75
Q

Where two or more sinks or receptacles are connected to an interceptor, the liquid holding capacity shall be based on the _____ ______ of the fixtures served.

A

Combined volume

76
Q

What cannot be stored in an airport hangar?

A

Compressed air

77
Q

T or F: The hanger shall not be provided with floor drain or trench drains if no interceptor is present.

A

True

78
Q

The minimum size interceptor shall be ____ cu. ft. For the first 500 sq. ft. of floor area.

A

6 cu. ft.

79
Q

In all motor vehicle wash racks, drainage shall discharge into a watertight catch basin at least 36 in. in diameter or _____ ft. by ______ ft. in rectangular shape.

A

3 ft. by 2 1/2 ft.

80
Q

T or F: Commercial laundries shall be equipped with an interceptor having a removable wire basket or similar device that will prevent materials detrimental to the sewage system from passing into the system.

A

True

81
Q

The bottom of the vacuum breaker, or the critical level line shown on a vacuum breaker, shall be at least ____ in. above the overflow rim of the bowl.

A

4 in.

82
Q

No more than ____ water closet(s) shall be served by a single flushometer valve.

A

1

83
Q

T or F: Trough urinals are acceptable under Illinois Plumbing Code section 890.1140

A

False

84
Q

Unisex restrooms shall have no more than ____ water closet(s).

A

1

85
Q

The minimum size drain on a washer box is ____.

A

2 in.

86
Q

Each compartment of a laundry tray shall be provided with an opening at least _____ in. in diameter and with a stopper or strainer.

A

1 1/2 in.

87
Q

The automatic safety water mixing device shall be adjusted to a maximum setting of ____ °F at the time of installation.

A

115°F

88
Q

Minimum Waste Outlet:
Bathtub ______
Lavatories ______
Showers ______

A

Bathtub - 1 1/2 in.
Lavatories - 1 1/4 in.
Showers - 2 in.

89
Q

The activating handle on a flush valve shall be at least ___ in. above the overflow rim of the bowl and not exceed ____ in. above the floor.

A

10 in. & 44 in.

90
Q

T or F: A hot water heater thermostat is an acceptable alternative water temperature control device.

A

False

91
Q

Lead pipe supports shall be made of what material?

A

Lead or Softer material

92
Q

Lead pipe shall be supported every ____ feet when it is in a vertical run.

A

4 feet

93
Q

Cast iron pipe shall be supported within ______ inches of each hub or joint.

A

18 inches

94
Q

Cast iron exceeding 5 feet in length shall be supported at least in _____ foot intervals.

A

10 foot

95
Q

Threaded pipe 1 1/2 and larger shall be supported at least in _____ foot intervals.

A

12 foot intervals

96
Q

Threaded pipe smaller than 1 1/2 shall be supported at least in _____ foot intervals.

A

8 foot intervals

97
Q

Copper tubing larger than 1 inch shall be supported every ____ feet.

A

10 feet

98
Q

Copper tubing 1 inch and smaller shall be supported every ____ feet.

A

8 feet

99
Q

All horizontal plastic piping shall be supported no more than _____ feet.

A

4 feet

100
Q

T or F: Lead pipe shall be supported every 3 feet using steel pipe hangers.

A

False

101
Q

What is the maximum developed length of any indirect waste line?

A

5 feet

102
Q

What is the minimum size for an indirect waste line?

A

3/4 inch or same as fixture outlet

103
Q

Swimming pools have what kind of waste?

A

Indirect waste

104
Q

List 3 things that use indirect waste?

A

Commercial dishwashers
Dishwashing sinks
Pot washing sinks

105
Q

What is the minimum size air gap?

A

1 inch minimum or 2 times the fixture drain

106
Q

T or F: Receptors serving indirect waste pipes shall be trapped and vented and shall not be installed in any concealed, inaccessible, or unventilated space?

A

True

107
Q

T or F: You can dump corrosive liquids, spent acid, or other harmful chemicals into the building sewer as long as they are neutralized first.

A

True

108
Q

T or F: Indirect waste never needs to be cleaned.

A

False

109
Q

T or F: You can indirectly waste clear water into the building storm drain, building, or building sewer, located on the same floor.

A

True

110
Q

T or F: All indirect waste shall discharge into a vented trap as close to the fixture as possible and in the same room.

A

True

111
Q

Non-potable water lines are identified by what color paint?

A

Purple

112
Q

T or F: You can connect potable water to a non-potable water using a backflow.

A

False

113
Q

What three things need to be considered when installing a backflow preventer?

A

Accessibility
Maintenance
Replacement

114
Q

The maximum height above the floor for a RPZ?

A

5 feet

115
Q

What provisions must be made in order for a water service pipe to be installed outside of a building?

A

Freeze protection

116
Q

What is the minimum depth for any water service pipe to be installed outside of a building?

A

36 inches or local frost line, whichever is greater

117
Q

What is the minimum water service pressure on the discharge side of the water meter?

A

20 psi

118
Q

What is the minimum rating for plastic water pipe?

A

160 psi at 73.4°F

119
Q

What is the minimum constant water pressure at a fixture?

A

8 psi or the minimum recommended by fixture manufacturer

120
Q

If water pressure to a fixture exceeds 80 psi, what three things does it need to reduce pressure to 80 psi or less?

A

Pressure Reducing Valve
Pressure Gauge
Strainer w/ a bypass relief valve

121
Q

How long can a dead end in a drainage system be extended before it must be vented?

A

10 feet horizontally, 2 feet above floor level

122
Q

Floor drains in food establishments located in coolers, freezers, refrigerated holding areas, dressing rooms, or processing rooms shall have what minimum inside diameter?

A

4 inches

123
Q

T or F: Private rooms having a masonry or concrete floor require a floor drain.

A

False

124
Q

How shall elevator pumps discharge?

A

Indirectly into the sanitary sewer or storm drain

125
Q

How close to an offset of 45° or less in a vertical soil or waste stack can you connect a branch line before you have to install a relief valve?

A

2 feet above or below the offset

126
Q

Drainage pipe of 3 inches or less shall be installed with what grade?

A

1/4 inch per foot

127
Q

Branch wastes and fittings for a circuit vented fixtures shall be installed where on the branch drain?

A

Side

128
Q

Sumps receiving the discharge from more than 6 water closets or 60 D.F.U’s shall be provided with what?

A

Duplex pumping equipment

129
Q

Drainage pipe larger than 3 inches but less than 8 inches shall be installed with what grade?

A

1/8 inch per foot

130
Q

Where conditions do not permit building drains to have a required grade, a lesser grade may be used if the velocity is met _____ foot per second.

A

2 foot per second

131
Q

Long mains shall have relief vents at what intervals?

A

Every 100 feet

132
Q

Soil and waste stacks in buildings having more than 10 branch intervals shall be provided with a relief vent where?

A

At each 10th interval starting with the top floor or midway between the first and twentieth interval

133
Q

How many pipe diameters must there be between the trap vent and the trap weir?

A

At least 2 pipe diameters

134
Q

How many D.F.U’s are allowed for a 2 in. wet vent?

A

4 D.F.U’s

135
Q

How far below the roof shall an increaser for a vent terminal commence?

A

1 foot

136
Q

What is the purpose of venting?

A

To permit the admission or emission of air so that under normal and intended use of the seal of fixture shall never be subjected to a pneumatic pressure differential of more than 1 inch water column.

137
Q

T or F: The vent pipe opening from a soil or waste pipe shall not be below the trap weir?

A

True

138
Q

How many inches above the flood level rim of the highest fixture shall a vent pipe be connected to another vent?

A

6 inches

139
Q

What is the smallest vent terminal size through the roof allowed?

A

3 inches

140
Q

A relief vent shall be what size?

A

1/2 diameter of soil or waste branch to which it connects

141
Q

What type of flush valve is to be used in a correctional facility?

A

Push button

142
Q

Stainless steel water closets in a correctional facility shall be made of no less _____ gauge steel

A

14 gauge

143
Q

Four types of tests that can be used on a sanitary system?

A

1) water test
2) air test
3) smoke test
4) peppermint test

144
Q

Minimum pressure required for an air test on a sanitary system?

A

5 p.s.i

145
Q

What is the minimum amount of head pressure on a water test?

A

10 ft. of head

146
Q

How long must a system hold head pressure on a water test?

A

15 minutes

147
Q

The water supply system shall be tested to what pressure?

A

At least 1 1/2 times the system pressure buy at least 100 p.s.i

148
Q

Who is responsible to arrange for an inspection with the department or local inspector?

A

The licensed plumber or the plumbing contractor on the job

149
Q

How is a building sewer to be tested?

A

Inserting a test plug at the point of connection with the public sewer. Building sewer shall be filled with water under a head of at least 10 ft. The head shall not drop for 15 minutes

150
Q

Maximum distance allowed from fixture trap to vent?

A

1 1/4” - 2’-6”
1 1/2” - 3’-6”
2” - 4’
3” - 5’
4” + - 6’

151
Q

How many water closets are needed for a dorm with 110 male residents?

A

5

152
Q

What does ASTM stand for?

A

American Society for Testing Materials

153
Q

How many lavatories are needed in a female restroom at a theater that seats 500 people?

A

2

154
Q

How are the minimum numbers of fixtures required for a certain building figured?

A

The total occupancy is figured, and then it is assumed 50% are female and male. The number of fixtures per person is based on those numbers

155
Q

All businesses selling motor fuel must provide a public restroom except when?

A

When they do not have attendants working at the business

Plumbing Code FLASH (1 decks)

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