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Plumbing Code Review

Total questions: 139

Worksheet time: 7hrs 50mins

Name
Class
Date
1.

This document shall be known as the

a)

Uniform Plumbing Code

b)

Universal Plumbing Code

c)

National Plumbing Code

d)

World Plumbing Code

2.

Plumbing systems for which a permit is required by this code shall be inspected by the

a)

building inspector

b)

Authority Having Jurisdiction

c)

mechanical inspector

d)

health department

3.

The Authority Having Jurisdiction shall be notified that work is ready for inspection not less than____ hours before the work is to be inspected.

a)

72

b)

24

c)

48

d)

12

4.

If a court finds a portion of the code unconstitutional

a)

the entire code is invalid

b)

the rest of the code remains in force and valid

c)

that portion is still valid

d)

the Authority Having Jurisdiction can overrule the court decision

5.

Temporary connection of the plumbing equipment to the source of energy or fuel for the purpose of testing

a)

is not allowed unless the inspector is present

b)

shall be permitted to be authorized by the Authority Having Jurisdiction

c)

is not allowed unless the equipment has been inspected and approved

d)

is not allowed under any circumstances

6.

A room equipped with a shower or bathtub is a

a)

toilet room

b)

shower room

c)

bathroom

d)

washroom

7.

That part of the lowest piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to a point 2 feet outside the building wall is a

a)

building drain

b)

building sewer

c)

soil stack

d)

waste pipe

8.

The combination of fittings that may be used to make an offset and is considered a vertical pipe are

a)

1 - 90 degree and 1 - 45 degree

b)

2 - 90 degree and 1 - 45 degree

c)

1 - 45 degree and 1 - 60 degree

d)

1 - 45 degree and 1 - 45 degree

9.

The part of the horizontal piping of a drainage system that begins_______ feet downstream from the last mobile home site, and conveys it to a public sewer is called a mobile home park sewer.

a)

2

b)

3

c)

3-1/2

d)

5

10.

The pipe or duct that connects a fuel-gas-burning water heater to a vent or chimney is a

a)

flue collar

b)

vent connector

c)

collar connector

d)

chimney collar connector

11.

The pipe from the source of supply to a building or structure is the

a)

water main

b)

building supply

c)

water-distributing pipe

d)

water riser

12.

A physical separation that may be a low inlet into the indirect waste receptor from the fixtures, appliances, or devices indirectly connected is the definition for an

a)

airbreak

b)

airgap

c)

indirect waste

d)

individual vent

13.

Disposal of sewage, or other liquid wastes, shall be by means of

a)

chemical toilets

b)

sewage-retaining tanks

c)

the drainage system of the building or premises

d)

subsurface leaching pits

14.

A connection to the public sewer, or private sewage disposal system, is required for

a)

buildings with or without plumbing fixtures

b)

buildings with plumbing fixtures

c)

buildings with emergency drain systems

d)

buildings with storm drain systems

15.

Except as otherwise provided in this code, no plumbing system, drainage system, building sewer, private

sewage disposal system, or parts thereof, shall be located in

a)

the walls, floors, or underground in any building

b)

any lot other than the lot that is the site of the building served by such facilities

c)

pipe access spaces where accessible for repair

d)

any garage, or equipment or locker room

16.

The building drain from the front building may be extended to the rear building when both buildings are

located and no private sewer is available or can be constructed

a)

on a corner lot

b)

on an interior lot

c)

200 feet from the public sewer

d)

300 feet from the public sewer

17.

Cast-iron soil pipe, installed vertically, shall be supported at its base and

a)

each floor not to exceed 15'

b)

every other story

c)

5-foot intervals

d)

10-foot intervals

18.

Two-inch copper drain pipe installed horizontally shall be supported at intervals not exceeding

a)

4 feet

b)

10 feet

c)

6 feet

d)

12 feet

19.

All materials, fixtures, or devices used or entering into the construction of plumbing and drainage systems shall

a)

comply with approved applicable standards

b)

conform to green product standards

c)

conform to price of job

d)

conform to material availability

20.

Section 312.2 prohibits the direct embedment of hubless cast-iron pipe in a concrete slab.

a)

True

b)

False

21.

Drain pipes subject to condensation over food storage in food-handling establishments shall be

a)

installed with a spill pan

b)

thermally insulated

c)

rerouted out of area

d)

tested with 5 psi of air

22.

Test gauges shall not have a pressure range not exceeding

a)

the test pressure applied

b)

twice the test pressure applied

c)

15 psi

d)

60 psi

23.

Fixtures having concealed slip-joint connections shall be provided with

a)

a utility space or access panel

b)

a ladder and a light fixture

c)

red brass fittings

d)

rubber gaskets

24.

The diameter of a waste outlet and fixture tailpiece for a bathtub shall not be less than

a)

1 1/4 inches in diameter

b)

1 3/8 inches in diameter

c)

1 1/2 inches in diameter

d)

2 inches in diameter

25.

Trough urinals shall be

a)

permissible if constructed of concrete

b)

required in large associations

c)

prohibited

d)

allowed in bus stations

26.

With two noted exceptions, all shower compartments and receptors shall be capable of encompassing a diameter circle.


a)

24 inch

b)

30 inch

c)

33 inch

d)

36 inch

27.

Drinking fountains shall not be installed in

a)

public toilet rooms

b)

restaurants

c)

bars

d)

schoolyards

28.

Shower pan linings may be constructed with

a)

26 B&S gauge copper

b)

3 pounds per square foot lead

c)

15 pounds asphalt felt

d)

zinc-coated steel

29.

Water closets set side by side shall be no closer than

a)

15 inches center-to-center

b)

18 inches center-to-center

c)

24 inches center-to-center

d)

30 inches center-to-center

30.

The minimum distance from a side wall or partition to the center of a urinal shall be_____ inches

a)

6

b)

12

c)

18

d)

24

31.

The joint of a wall-hung lavatory, where it is in contact with the wall, shall be

a)

smooth

b)

painted

c)

concealed

d)

made watertight

32.

Wall-hung lavatories shall be supported by

a)

metal supporting members

b)

rigid traps

c)

wooden legs

d)

their connections

33.

The tailpiece diameter for lavatories shall not be less than

a)

1 1/4 inches

b)

1 3/8 inches

c)

1 1/2 inches

d)

1 3/4 inches

34.

Strainers having waterway areas at least equivalent to the area of their tailpiece are required for

a)

shower drains

b)

floor drains

c)

urinals

d)

A and B apply

35.

Showers and tub-shower combinations shall be provided with individual control valves of the

a)

pressure balance type

b)

thermostatic mixing valve type

c)

140°F limit control type

d)

A and B apply

36.

Maximum hot water temperature discharging from a bidet shall be limited to

a)

105°F

b)

110°F

c)

120°F

d)

not limited

37.

Closet bends or stubs shall be cut off so as to present a smooth surface, even with the

a)

top of the rough floor

b)

top of the closet ring

c)

top of the finish floor

d)

bottom of the closet

38.

A domestic dish washing machine shall discharge indirectly through an air gap fitting into a

a)

wye branch fitting on the tailpiece of a kitchen sink

b)

waste receptor

c)

dishwasher connection of a food waste disposer

d)

all of the above

39.

Plastic piping used for venting water heaters shall be

a)

CPVC

b)

Schedule 80 PVC

c)

Schedule 80 ABS

d)

approved

40.

It shall be unlawful for any person to install, remove, or replace any water heater without first

a)

obtaining a plumbing contractor license from the Authority Having Jurisdiction

b)

obtaining a permit from the Authority Having Jurisdiction

c)

having a plumbing journeyman's license

d)

having permission from the building owner

41.

Vent connectors of natural draft appliances_________ be connected to mechanical draft systems operating under positive pressure.

a)

may

b)

shall not

c)

must

d)

must be interlocked before they can

42.

A vent connector connected to a chimney flue serving a fireplace is

a)

prohibited unless the fireplace flue opening is permanently sealed

b)

prohibited

c)

required to be a direct-vent type

d)

required to use Type B connector

43.

The minimum capacity for a storage water heater is

a)

not regulated by code

b)

required to be a minimum of 40 gallons

c)

required to be a minimum of 50 gallons

d)

based on the "first hour rating" and the number of bedrooms and bathrooms

44.

A water heater installed in a residential garage shall be

a)

listed for a garage installation

b)

located or protected from damage by a moving vehicle

c)

located not less than 16 inches above the garage floor

d)

a direct-vent water heater

45.

Water heaters of other than the direct-vent type shall be located

a)

within 6 feet of the chimney or gas vent

b)

within 8 feet of the chimney or gas vent

c)

as close as practical to the chimney or gas vent

d)

as close as practical to the chimney or gas vent

46.

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

a)

40 gallon

b)

50 gallon

c)

67 gallon

d)

80 gallon

47.

Indoor combustion air supplied by using the "Standard Method" requires a minimum volume of

a)

100 cu. ft. per 1,000 Btu/hr

b)

50 cu. ft. per 1,000 Btu/hr

c)

50 cu. ft. per 2,000 Btu/hr

d)

25 cu. ft. per 2,000 Btu/hr

48.

Draft hood-equipped and other fuel-burning Category I water heaters may be installed in closets, bedrooms and bathrooms provided

a)

the appliance is listed

b)

the closet is of fire-resistant construction

c)

the closet has a listed, gasketed door assembly and a listed self-closing device

d)

combustion air is provided by adjacent room

49.

Where damage may result from a leaking water heater, a watertight pan of corrosion-resistant materials

shall be installed beneath the water heater when it is located in an attic or

a)

second-floor mechanical room

b)

garage

c)

any story above the first story

d)

a floor-ceiling assembly

50.

A water heater is installed on the roof of a building more than 15 feet in height. The code requires to the roof unless other means acceptable to the Authority Having Jurisdiction are used

a)

a permanent ladder outside the building

b)

a portable ladder

c)

an outside means of access

d)

an inside means of access

51.

In seismic design categories , water heaters shall be anchored or strapped to resist horizontal displacement due to earthquake motion.

a)

3 and 4

b)

A, 8, C, and D

c)

C, D, E, and F

d)

1 and 2

52.

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.

a)

50, 25

b)

25, 75

c)

25, 50

d)

50, 75

53.

Exit terminals of mechanical draft systems shall not be less than above grade where located adjacent to public walkways.

a)

6 feet

b)

7 feet

c)

10 feet

d)

8 feet

54.

Clearances for listed water heaters shall be

a)

a minimum of 1 inch to combustible construction

b)

a minimum of 2 inches to combustible construction

c)

in accordance with the listing and the manufacturer's instructions

d)

a minimum of 6 inches to unprotected combustible construction

55.

Where providing combustion air for draft hood-equipped water heaters installed in repair garages, all combustion air shall be obtained from

a)

inside the repair garage

b)

inside the building

c)

inside or outside the building at least 8 feet above floor level

d)

outside the building

56.

A Type B gas vent shall terminate at least feet above the highest connected equipment draft hood or flue collar.

a)

12

b)

6

c)

5

d)

10

57.

A listed water heater, located in an interior floor level closet, must have an access dimension_____for servicing purposes.

a)

24"w x 30"h

b)

in accordance with their listing and the manufacture's instructions

c)

30"w x 36"h

d)

the size of the water heater

58.

For attic installation, the passageway and servicing area adjacent to the appliance shall be

a)

identified

b)

well lighted

c)

dry

d)

floored

59.

The code requirement for "an adequate supply of potable running water" is for

a)

cleansing and sanitation

b)

protection of trap seals

c)

water-cooled equipment

d)

hydronic systems

60.

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____

a)

1/2 inch

b)

1 inch

c)

3 inches

d)

6 inches

61.

PEX tubing shall not be installed within the first_____of piping connected to a water heater.

a)

12 inches

b)

18 inches

c)

24 inches

d)

36 inches

62.

The piping material(s) not approved in the cold water piping located inside a building is_________

a)

PVC

b)

PE

c)

Asbestos Cement

d)

all of the above

63.

Water piping systems shall be designed on the basis of the

a)

maximum pressure

b)

minimum pressure

c)

average residual pressure

d)

average service pressure

64.

After allowing for friction and other pressure losses, the residual water pressure shall be at least

a)

.433 psi

b)

7.5 psi

c)

15 psi

d)

29 psi

65.

Any water heater connected to a separate storage tank and having valves between the heater and tank

shall be provided with a

a)

fullway valve

b)

fullway gate valve

c)

water pressure regulator

d)

water pressure-relief valve

66.

Galvanized steel piping installed under a concrete floor slab within a building shall

a)

have a machine-applied coating

b)

have a spiral wrap

c)

be installed without joints

d)

be installed with brazed joints

67.

Cast-iron fittings, up to and including two inches in size, when used in connection with potable water piping, shall be

a)

extra heavy

b)

flanged

c)

disallowed

d)

galvanized

68.

The available pressure at the water meter is 80 psi. At the highest supply outlet, 36 feet above the water

meter, the pressure would be_____ psi when sizing a water system according to Chapter 6.

a)

62

b)

44

c)

116

d)

80

69.

Building supplies shall be no smaller than that required for the installation and, in no case, smaller than inch(es).

a)

1/2

b)

3/4

c)

1

d)

2

70.

CPVC water pipe may be used for hot and cold water distribution systems

a)

in residences only

b)

within a building

c)

belowground only

d)

aboveground only

71.

All backflow devices or assemblies shall be tested by a

a)

licensed agent

b)

representative from the Authority Having Jurisdiction

c)

certified backflow assembly tester

d)

third-party certified agency

72.

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

a)

5 feet per second

b)

8 feet per second

c)

10 feet per second

d)

15 feet per second

73.

The quantity of water required to be supplied to every plumbing fixture shall be represented by

a)

gallons per minute

b)

feet per second

c)

fixture units

d)

available head pressure

74.

The size and material of irrigation water piping installed outside of any building and separated from the

potable water supply by means of an approved backflow prevention device is

a)

regulated by code

b)

not regulated by code

c)

regulated by the National Sanitation Foundation

d)

regulated by the American Society of Sanitary Engineers

75.

Flaring tools are used to make joints for

a)

hard Type K copper tubing

b)

soft copper water tubing

c)

yellow brass water piping

d)

aluminum water piping

76.

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 higher residual pressure

c)

the piping system shall be not less than copper tubing Type L

d)

A and C apply

77.

The duration for a water system pressure test shall be for a period of not less than____ minutes

a)

5

b)

10

c)

15

d)

30

78.

Plastic materials for piping outside underground shall have a blue insulated copper tracer wire or other approved conductor installed adjacent to the piping.

a)

building supply

b)

well

c)

irrigation

d)

hose bibb

79.

Solder and fluxes used in piping systems conveying potable water are prohibited when the lead content exceeds

a)

0.2 of 1 percent

b)

0.5 of 1 percent

c)

1 percent

d)

less than 10 percent

80.

________systems shall be clearly identified, have a purple background with uppercase yellow lettering.

a)

Gray water

b)

Reclaimed (recycled) water

c)

Rainwater catchment

d)

None of those listed

81.

The area of coverage of a single fire sprinkler shall not exceed

a)

100 square feet

b)

200 square feet

c)

300 square feet

d)

400 square feet

82.

The maximum fixture unit loading allowed on a 2 inch waste stack is

a)

four

b)

six

c)

eight

d)

sixteen

83.

The maximum trap loading for a 3 inch trap is

a)

one unit

b)

three units

c)

four units

d)

six units

84.

The maximum discharge capacity for intermittent flow only, in gallons per minute, for one fixture unit is equal to

a)

7 1/2 gpm

b)

15 gpm

c)

30 gpm

d)

50 gpm

85.

The clearance required in front of a 2 inch cleanout shall not be less than

a)

6 inches

b)

12 inches

c)

18 inches

d)

24 inches

86.

The minimum size discharge pipe from an ejector or pump in a single dwelling unit having a water closet connected thereto is

a)

1 1/2 inches

b)

2 inches

c)

3 inches

d)

4 inches

87.

Except in single-family residences, drainage

stacks 3 stories or more in height serving are considered suds-producing fixtures.

a)

kitchen sinks

b)

bathtubs

c)

washing machine standpipes

d)

all of the above

88.

Vertical drainage lines connecting with horizontal drainage lines shall enter through a

a)

45 degree wye

b)

90 degree tee

c)

combination wye and 1/8 bend

d)

A and C apply

89.

The maximum fixture units allowed on a 4-inch horizontal drain with a 1/8 inch per foot slope is

a)

256 fixture units

b)

225 fixture units

c)

215 fixture units

d)

173 fixture units

90.

A straight run of building sewer will require cleanouts at intervals not to exceed

a)

50 feet

b)

75 feet

c)

100 feet

d)

300 feet

91.

ABS and PVC DWV piping may be installed in structures of

a)

noncombustible construction

b)

unlimited height

c)

combustible construction

d)

all of these

92.

Threads in drainage fittings shall be tapped to allow for

a)

adjustment

b)

grade

c)

expansion

d)

economy

93.

33. The maximum number of fixture units allowed on a 4-inch building sewer with a slope of 1/8 inch per foot,

as compared to a 4-inch building sewer with a slope of 1/4 inch per foot is

a)

the same

b)

less

c)

more

d)

unlimited

94.

The drainage fixture unit value assigned to a bathtub or combination bath/shower is

a)

1.5

b)

2.0

c)

2.5

d)

3.0

95.

The building sewer and water piping may be installed in the same trench (with the proper clearances) if

the building sewer piping is .

a)

cast iron

b)

extra strength vitrified clay

c)

PVC

d)

any of the above

96.

A domestic dishwasher, with independent drain, has a drainage fixture unit value of

a)

2

b)

3

c)

4

d)

1

97.

All indirect waste piping that requires an airgap shall discharge into the building drainage system through

a)

an automatic vent

b)

an airgap of two pipe diameters

c)

a drainage airgap of 1 inch minimum

d)

a trap

98.

Drains, overflows, or relief pipes from a water distribution system shall discharge to the building drain by

a)

indirect waste by means of a water-distribution airgap

b)

direct connection to the building drain

c)

direct connection to the building drain through a trap

d)

indirect waste piping through a vented trap

99.

No plumbing fixture that is receiving discharge from indirect waste pipes shall be installed until first

approved by the

a)

architect

b)

local health department

c)

Authority Having Jurisdiction

d)

mechanical engineer

100.

A standpipe for a clothes washer shall have a minimum and maximum length of

a)

4 inches and 12 inches

b)

18 inches and 30 inches

c)

18 inches and 24 inches

d)

12 inches and 36 inches

101.

A domestic dishwashing machine shall be connected to the drainage system by using

a)

a direct connection

b)

a double-check valve

c)

an approved airgap fitting

d)

a hartford loop

102.

Water having a temperature above____shall not be discharged under pressure directly into the drainage system

a)

212° F

b)

180° F

c)

140° F

d)

232° F

103.

________shall not be used for chemical or industrial waste that requires pretreatment.

a)

Glass

b)

PVC

c)

Cast-iron

d)

Copper tube

104.

No chemical waste vent shall

a)

terminate outside the building

b)

be connected to any vent from water service lines

c)

intersect vents for other services

d)

connect to any waste line

105.

Condensate from fuel-burning condensing appliances shall be collected and discharged

a)

to a planter box

b)

to a public way

c)

to an approved plumbing fixture or disposal area

d)

directly connect to the building sewer

106.

If the trap from a sink located in a bar cannot be vented,

a)

the drain shall discharge through an airgap or airbreak into an approved receptor that is vented

b)

the fixture must be relocated

c)

the discharge may be pumped to an approved receptor

d)

a drum trap shall be used

107.

Vent pipes protect fixture traps against

a)

evaporation

b)

siphonage

c)

clogging

d)

cross-connections

108.

The combination of vent pipes that will provide sufficient aggregate cross-sectional vent area for required

a 4-inch house sewer is

a)

1 - 2 inch and 4 - 1 1/2 inch

b)

2 - 2 inch and 1 - 2 1/2 inch

c)

3 - 2 inch and 1 - 1 1/2 inch

d)

4 - 2 inch

109.

A 2-inch vent pipe will serve a total of

a)

14 bathtubs

b)

16 showers

c)

24 lavatories

d)

15 water closets

110.

Horizontal termination of vents from any openable window, door opening, air intake or vent shaft shall be not less than

a)

1 foot

b)

2 feet

c)

10 feet

d)

12 feet

111.

Vents terminating in roof areas used for sunbathing shall be extended above the roof at least

a)

7 feet

b)

10 feet

c)

12 feet

d)

15 feet

112.

Parallel vent stacks are required for drainage stacks that extend above the building drain

a)

five stories or more

b)

10 stories or more

c)

50 feet

d)

100 feet

113.

The pipe size for the common vent serving lavatories installed back-to-back shall be not less than inch(es).

a)

1

b)

1-1/4

c)

1-1/2

d)

2

114.

Increasing vents one pipe size will

a)

provide increased drainage

b)

provide increased drainage

c)

remove lengths limitations

d)

allow vents to be shorter

115.

The fitting that is required for making the yoke vent intersection with the drainage stack is a

a)

sanitary tee

b)

tapped tee

c)

double tee branch

d)

wye branch

116.

Copper tube shall not be used for

a)

chemical or industrial wastes

b)

water piping

c)

underground drainage piping

d)

aboveground drainage piping

117.

Long mains shall be provided with relief vents at intervals of

a)

50 feet

b)

75 feet

c)

100 feet

d)

300 feet

118.

Horizontal wet venting

a)

is not permitted by the code

b)

shall be permitted for public bathrooms

c)

shall be permitted for a bathroom group located on the same floor level

d)

shall be a minimum 4 inches in size

119.

A horizontal wet vent shall be not less than two inches in diameter for dfu or less.

a)

2

b)

4

c)

5

d)

8

120.

One trap may serve a set of not more than________single compartment sinks

a)

two

b)

one

c)

three

d)

four

121.

The maximum vertical distance for a tailpiece allowed between a fixture and the trap weir is

a)

6 inches

b)

12 inches

c)

18 inches

d)

24 inches

122.

The developed length of a 2" trap arm, from the trap weir to the inner edge of the vent shall not exceed_____feet.

a)

3

b)

5

c)

6

d)

10

123.

Each fixture trap shall have a water seal of

a)

not less than 2 inches

b)

not more than 4 inches

c)

both A and B

d)

none of the above

124.

The Authority Having Jurisdiction has mandated grease pretreatment for the following fixtures: four non­ emergency floor drains, two commercial food prep sinks, one service sink with a 3-inch trap, and two dishwashers discharging 20 gallons per minute each. The minimum size gravity grease interceptor in gallons required shall be_____

a)

500

b)

750

c)

1000

d)

1250

125.

Horizontal 1/2 inch diameter steel fuel gas piping shall be supported at intervals not exceeding _______ feet.

a)

6

b)

8

c)

10

d)

12

126.

The approximate number of threads to be cut on a piece of 1-inch metallic fuel gas pipe is_____

a)

10

b)

11

c)

12

d)

13

127.

Where gas piping is installed underground beneath buildings, the piping shall be one of the following

a)

polyethylene

b)

20 mil gas protective coating

c)

encased in an approved conduit

d)

encased in cement

128.

The approximate demand of a freestanding domestic gas range in Btu's per hour is

a)

65,000

b)

40,000

c)

30,000

d)

25,000

129.

Gas line pressure regulators installed in the interior of the building, without vent limiting means, shall be

a)

removed and installed on the exterior only

b)

installed in a concealed but accessible location

c)

separately vented to the exterior of the building

d)

installed at least 6 feet aboveground and accessible

130.

Of those listed, the test medium for a gas piping pressure test shall be

a)

carbon monoxide

b)

carbon dioxide

c)

oxygen

d)

methane gas

131.

An accessible gas shutoff valve shall be provided _____ of each gas pressure regulator.

a)

upstream

b)

downstream

c)

individually

d)

separately

132.

Appliance shutoff valves and convenience outlets shall serve a single appliance and shall be installed within ______ of the appliance it serves.

a)

within 8 feet

b)

within 6 feet

c)

upstream of the connector

d)

both B and C

133.

Which of the following is not part of a rough gas piping inspection?

a)

Size of gas pipe

b)

Proper material

c)

Pressure test

d)

Installation meets the requirements of the code

134.

Leaks in gas piping shall be located

a)

with an approved gas detector, a noncorrosive leak detection fluid or other approved method

b)

with a "presto-lite" flame

c)

with water

d)

by increasing the air pressure during the test until the leaks are heard as a whistle

135.

A gas appliance regulator shall not be vented to the

a)

combustion chamber adjacent to a continuous pilot

b)

roof

c)

gas equipment flue or exhaust system

d)

exterior of the building

136.

The size of the supply piping outlet for a gas appliance shall not be less than _______

a)

1/2 inch

b)

3/4 inch

c)

1 inch

d)

as determined by the gas table in the code

137.

The size of a piping outlet for a mobile home shall be not less than

a)

1/2 inch

b)

3/4 inch

c)

1 inch

d)

as determined by the gas tables in the code

138.

To obtain the cubic feet per hour of fuel gas required for any gas appliance

a)

divide the Btu input of the appliance by the average Btu heating value per cubic foot of gas

b)

divide the Btu input of the appliance by 1,000

c)

contact the Authority Having Jurisdiction or the local inspector

d)

obtain the manufacturer's specifications

139.

Except for CSST, gas piping with a service pressure of 1.58 psi shall be tested at a minimum of ______ psi for no less than ______ minutes.

a)

3, 10

b)

10, 15

c)

30, 30

d)

60, 30