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Building Official Study > Minnesota Fuel Gas Code > Flashcards

Minnesota Fuel Gas Code Flashcards

1
Q

Unless otherwise approved in accordance with Section 105, appliances regulated by this code shall be?

A

listed and labeled

FG 301.7

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2
Q

Unlisted appliances may be approved based upon what?

A

an approved engineering evaluation

FG 301.7

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3
Q

For a label affixed to a listed fuel gas appliance, which of the following is not required information?
A. the appliance Btu/hr rating
B. if the appliance is rated for 120 or 220 volt alternating current
C. the approved fuel
D. the minimum required clearances

A

B. if the appliance is rated for 120 or 220 volt alternating current

FG 301.5

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4
Q

Combustion air requirements for appliances with power burners are determined by what?

A

the manufacturer’s instructions

FG 304.1

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5
Q

Conversion of an appliances to a different fuel gas is allowed if in accordance with what?

A

the manufacturer’s instructions

FG 301.7.1

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6
Q

Appliances in structures located in flood hazard areas shall be located at or above the what?

A

elevation required by the IBC

FG 301.11

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7
Q

Notching at the ends of wood joists shall not exceed _____ the joist depth.

A

1/4

FG 302.3.2

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8
Q

Cuts, notches and bored holes are prohibited in trusses except where the effects are what?

A

specifically considered in the design

FG 302.3.1

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9
Q

In bearing partitions, any wood stud is permitted to be cut or notched to a depth not exceeding ______ percent of its width.

A

25 percent

FG 302.3.3

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10
Q

Notches in the flange of a cold-formed steel stud in a bearing wall are?

A

not allowed

FG 302.6

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11
Q

Appliances shall not be installed in a location subject to vehicle damage except?

A

where protected by approved means

FG 303.4

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12
Q

Where used, draft hoods and draft barometric regulators shall be installed in the what?

A

same room as the appliance

FG 304.3

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13
Q

Where mechanical exhaust interferes with the operation of an appliance, what is required?

A

makeup air

FG 304.4

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14
Q

Where the air-infiltration rate is unknown, a room or space providing indoor combustion air requires a minimum volume of ______ cubic feet per 1,000 Btu/hr of the appliance input rating.

A

50

FG 304.5.1

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15
Q

When using the known air infiltration rate method for indoor combustion air, the maximum infiltration rate that can be used in the equation is what?

A

0.60 ACH

FG 304.5.2

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16
Q

Holes bored in solid wood joists shall be located not less than ______ inches from the top and bottom joist.

A

2 inches

FG 302.3.2

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17
Q

Openings obtaining indoor combustion air from a different story require a total minimum free area of ____ square inches per 1,000 Btu/hr of the total input rating of appliances.

A

2 square inches

FG 304.5.3.2

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18
Q

The minimum dimension of an outdoor combustion air opening is what?

A

3 inches

FG 304.7.3 #3

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19
Q

Where a space is provided outdoor combustion air through a single opening, a clearance of at least _____ inches is required in front of the appliance.

A

6 inches

FG 304.6.2

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20
Q

A mechanical combustion air system shall supply outdoor air at a rate not less than _______ cfm per 1,000 Btu/hr of total input rating of all appliances located within the space.

A

0.35 cfm

FG 304.9

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21
Q

Where a screen is installed at a combustion air opening, the mesh size shall not be smaller than what?

A

1/4 inch

FG 304.10

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22
Q

Equipment and appliances having an ignition source shall _______ _____ ___________ in Group H occupancies or control areas where open use, handling or dispensing of combustible, flammable or explosive materials occurs.

A

not be installed

FG 305.2

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23
Q

Appliances having an ignition source shall be elevated such that the ignition source is not less than ______ inches above the floor in a private garage.

A

18 inches

FG 305.3

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24
Q

Where vehicles are capable of passing under an appliance installed in a public garage, the appliance shall be installed a minimum of _____ inches higher than the tallest vehicle garage door opening.

A

12 inches

FG 305.4

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25
Q

Unless otherwise protected from impact, appliances located in a public garage shall be installed a minimum of ____ feet above the floor.

A

8 feet

FG 305.4

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26
Q

Unless otherwise protected from impact, appliances located in a private garage shall be installed a minimum of _____ feet above the floor.

A

6 feet

FG 305.5

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27
Q

Where the opening dimensions are large enough to allow removal of the largest pieces of equipment installed in an under-floor space, the clear access opening to the under-floor area shall be a minimum of what?

A

22 inches by 30 inches

FG 306.4

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28
Q

Guards are not required for rooftop appliances requiring service where what is installed?

A

approved fall-restraint devices are installed

FG 306.6 See Exception

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29
Q

Suspended mechanical equipment shall be installed a minimum of _____ inches above the adjoining grade.

A

6 inches

FG 305.7

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30
Q

Unless located within a dwelling unit, rooms containing appliances shall be provided with a door and an unobstructed passageway measuring not less than _____ inches wide and 80 inches high.

A

36 inches wide

FG 306.2

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31
Q

Appliances located in an attic shall be provided with a level service space not less than ______ inches deep and ______ inches wide.

A

30 inches deep
30 inches wide

FG 306.3

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32
Q

A 30 inch high attic passageway serving a gas appliance is limited in length to no more than what?

A

20 feet

FG 306.3

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33
Q

Where an appliance is located in an attic, a what is required at the access opening to the attic passageway?

A

a light switch

FG 306.3.1

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34
Q

A permanent approved means of access is required for appliances installed on roofs at a height exceeding what?

A

16 feet

FG 306.5 See Exception

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35
Q

Required guards installed around rooftop service platforms shall be not less than ______ inches in height.

A

42 inches

FG 306.6

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36
Q

Condensate waste and drain lines shall be not less than _____-inch internal diameter.

A

3/4-inch

FG 307.3

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37
Q

Condensate piping for fuel burning condensing appliances shall maintain a minimum horizontal slope of ______ units vertical in 12 units horizontal.

A

1/8 units vertical

FG 307.2

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38
Q

Where appliances are supported by a concrete slab, the slab shall extend at least _____ inches above the adjoining grade.

A

3 inches

FG 305.7

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39
Q

Where a reduction in clearance to combustible material is permitted, the side clearance for an appliance is permitted to be reduced from 12 inches to a minimum of _____ inches by installing No. 24 gage galvanized sheet metal with a ventilated air space.

A

4 inches

FG Table 308.2

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40
Q

For a clearance reduction system using ventilated air space, the system shall maintain an air space clearance to combustible materials of at least what?

A

1 inch

FG Table 308.2 Exception e

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41
Q

Reduced clearance protective assemblies for gas appliances shall be placed a minimum of _____ inch from the appliance.

A

1 inch

FG Table 308.2 Exception i

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42
Q

The bonding jumper used to bond corrugated stainless steel tubing (CSST) gas piping to the grounding system shall not be smaller than _____ AWG copper wire or equivalent.

A

6 AWG

FG 310.2.2

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43
Q

The maximum length of an electrical bonding jumper for a corrugated stainless steel tubing (CSST) system is what?

A

75 feet

FG 310.2.3

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44
Q

For other than steel piping, exposed gas piping must be identified by a yellow label marked “Gas” in black letters and the markings spaced at intervals not exceeding what?

A

5 feet

FG 401.5

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45
Q

Where there are multiple meters, the __________ must mark the piping system supplied by each meter with an approved permanent identification.

A

installer

FG 401.7

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46
Q

The volume of gas to be provided must be determined directly from the ________ __________ of the appliance served.

A

input rating

FG 402.2

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47
Q

Gas piping is permitted to be sized in accordance with the sizing tables in the piping system’s what?

A

piping system manufacturer

FG 402.3 #2

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48
Q

Using the longest length method for sizing gas piping, each section of piping is measured from what to what?

A

the point of delivery to the most remote outlet

FG 402.4.1

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49
Q

A gas piping system located inside an ____________ building is limited to a maximum design operating pressure of 5 pounds per square inch gage (psig).
A. institutional
B. industrial
C. warehouse
D. research

A

A. institutional

FG 402.7 Exception #4

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50
Q

Used pipe, fittings, valves and other materials must not be used in a gas piping system except where they are free of what?

A

foreign material

FG 403.2

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51
Q

Copper and copper alloy gas piping is permitted to be installed when the gas contains no more than an average of _______ grains of hydrogen sulfide per 100 standard cubic feet of gas.

A

0.3 grains

FG 403.4.3

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52
Q

Field drilled and tapped pipe fittings are permitted under limited conditions when the work is performed by whom?

A

the gas supplier

FG 403.10.5 #9.3

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53
Q

For steel gas piping, threaded fittings larger than _____ inches are not permitted.

A

4 inches

FG 403.10.5 #1

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54
Q

Gas piping must not be installed in or through a what?
A. plenum
B. clothes chute
C. attic
D. enclosed space

A

B. clothes chute

FG 404.3

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55
Q

What piping is not allowed for supplying fuel gas?
A. aluminum
B. copper alloy
C. CPVC
D. polyethylene

A

C. CPVC

FG 403.6

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56
Q

Gas piping must not enter a building through where?

A

underground

FG 404.6

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57
Q

Where gas piping is required to be installed in conduit and one end terminates outdoors, the conduit must extend not less than _____ inches outside the building.

A

4 inches

FG 404.8.1

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58
Q

A required conduit containing gas piping must extend not less than _____ inches beyond the point where the pipe emerges from the floor in the building.

A

2 inches

FG 404.8.1

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59
Q

Exterior above-ground gas piping must be elevated not less than _____ inches above ground and roof surfaces.

A

3 1/2 inches

FG 404.9

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60
Q

In general, underground gas piping systems must be installed at a minimum depth of ______ inches below grade.

A

12 inches

FG 404.12

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61
Q

The unthreaded portion of gas piping outlets must extend not less than _____ inch(es) through finished ceilings and walls.

A

1 inch

FG 404.16

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62
Q

Plastic gas pipe is generally permitted to be installed where?

A

outdoors underground only

FG 404.17

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63
Q

Underground nonmetallic gas piping requires a yellow insulated copper tracer wire not less than what size?

A

18 AWG

FG 404.17.3

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64
Q

The following threaded fittings for steel gas piping are allowed in concealed locations except?
A. couplings
B. tees
C. unions
D. elbows

A

C. unions

FG 404.5

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65
Q

The test pressure must be not less than ______ times the proposed maximum working pressure of the gas piping system.

A

1 1/2 times

FG 406.4.1

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66
Q

Where steel shield plates are required to protect concealed gas piping installed through holes in wood studs, the shield plates must extend a minimum of _____ inches to each side of the stud.

A

4 inches

FG 404.7.1

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67
Q

Supports for 1-inch steel gas piping shall be spaced no more than _____ feet apart.

A

8 feet

FG Table 415.1

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68
Q

Gas piping supports for 1/2-inch copper tubing shall be spaced no more than _____ feet apart.

A

4 feet

FG Table 415.1

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69
Q

Unless incorporated as part of the appliance, a sediment trap shall be installed where?

A

downstream of the appliance shut off valve

FG 408.4

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70
Q

Sediment traps are not required for what?
A. ranges
B. water heaters
C. boilers
D. forced air furnaces

A

A. ranges

FG 408.4

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71
Q

The installation of shutoff valves shall be prohibited where?

A

in concealed locations and furnace plenums

FG 409.1.2

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72
Q

Where a single meter is used to supply gas to more than one building, a shutoff valve shall be provided where?

A

outdoors at each building

FG 409.3.2

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73
Q

A gas shutoff valve shall be located within _____ feet of the appliance.

A

6 feet

FG 409.5.1

74
Q

When installing a gas shut off valve for an appliance, the shut off valve shall be located where?

A

upstream of the union

FG 409.5.1

75
Q

A listed outdoor gas hose used to connect a portable outdoor appliance to the gas piping system must comply with what standard?

A

ANSI Z21.75

FG 411.1 #8

76
Q

A shutoff valve for a _______ ____________ ___________ is permitted to be located in an area remote from the appliance.

A

vented decorative appliance

FG 409.5.2

77
Q

The vent pipe for pressure regulators shall be designed to prevent the entry of what?

A

water and foreign objects

FG 410.3

78
Q

The appliance shutoff valve is permitted to be installed at a manifold that is not greater than ______ feet from the appliance.

A

50 feet

FG 409.5.3

79
Q

Semirigid metallic tubing used to connect a gas appliance shall not exceed _____ feet in length.

A

6 feet

FG 411.1 #3

80
Q

Appliance shutoff valves located at a manifold are not required to be what?
A. readily accessible
B. in the same room as the appliance
C. identified
D. protected from damage

A

B. in the same room as the appliance (within 50 feet)

FG 409.5.3

81
Q

A dedicated gas shut off valve must be located adjacent to the egress door of a laboratory having _____ or more fuel gas outlets.

A

2 or more

FG 409.6

82
Q

A vent to the outdoors is not required for a pressure regulator equipped with a what?

A

vent-limiting device

FG 410.3 See Exception

83
Q

A union must be installed not more than ______ inches from an MP regulator that is connected to rigid piping.

A

12 inches

FG 410.2 #7

84
Q

Fuel gas piping for other than dry gas conditions shall be sloped not less than _____ inch in 15 feet to prevent traps.

A

1/4 inch

FG 408.1

85
Q

When a union is provided for an appliance connected to rigid metallic pip, the union shall be accessible and located within ______ feet of the appliance.

A

6 feet

FG 411.1.6

86
Q

In LP-gas motor vehicle fuel-dispensing facilities that are self-service require an emergency shutoff switch located a maximum of ______ feet from the dispenser.

A

100 feet

FG 412.9 #2

87
Q

In LP-gas motor vehicle fuel-dispensing facilities, the hose length shall not exceed what?

A

18 feet

FG 412.8.2

88
Q

Unless located in a vault, compressed natural gas storage and dispensing equipment is not permitted to be installed less than?
A. 10 feet from an ignition source
B. 15 feet from a building
C. 25 feet from a property line
D. 50 feet from a public street

A

A. 10 feet from an ignition source

FG 413.3.1

89
Q

For appliances designed to operate at 14 inches w.c. or less, overpressure protection devices are required only if the service supply pressure exceeds what?

A

2 psi

FG 416.1

90
Q

Where a residential compressed natural gas (CNG) fueling appliance is located indoors, a methane gas detector shall be located no lower than _____ inches from the highest point of the room or space.

A

6 inches

FG 413.4.3 #3

91
Q

The maximum distance that is allowed between hangers supporting horizontal 1 1/4 inch nominal diameter rigid steel pipe used to supply natural gas to an appliance is what?

A

10 feet

FG Table 415.1

92
Q

Masonry chimneys shall be constructed in accordance with the what?

A

International Building Code

FG 501.3

93
Q

Factory-built chimneys and vents for solid fuel appliances are regulated by the what?

A

International Mechanical Code

FG 501.1

94
Q

For a direct-vent fireplace with a sidewall vent, the vent termination must be a minimum of _____ inches from the swing of a door.

A

12 inches

FG 502.7.1

95
Q

Gas appliance connections to a masonry chimney flue must be at a point not less than _____ inches above the lowest portion of the interior of the chimney flue.

A

12 inches

FG 501.9

96
Q

Appliance connections to a chimney or vent equipped with a power exhauster shall be made on the _________ side of the exhauster.

A

inlet

FG 501.10

97
Q

Masonry chimney flues shall be provided with a cleanout opening having a minimum height of what?

A

6 inches

FG 501.15.3

98
Q

For vents passing through an attic, the attic insulation shield shall extend at least _____ inches above the insulation material.

A

2 inches

FG 502.4

99
Q

To protect vents in a concealed location from physical damage. steel shield plates shall have a minimum thickness of what?

A

No. 16 gage

FG 502.7

100
Q

Vents passing through insulated assemblies require an insulation shield constructed of steel with a minimum thickness of what?

A

0.0187 (No. 26 gage)

FG 502.4

101
Q

When a mechanical draft system serving an appliance is not performing, gas shall not?

A

gas shall not flow the main burners

FG 503.3.3 #5

102
Q

For mechanical draft systems, exit terminals located adjacent to public walkways shall not be less than ______ feet above finished ground level.

A

7 feet

FG 503.3.3 #6

103
Q

Termination for chimneys serving residential type or low heat appliances shall extend at least _____ feet above the highest point where they pass through the roof of a building.

A

3 feet

FG 503.5.4

104
Q

Chimneys serving medium heat appliances shall extend at least 10 feet higher than any portion of any building within how many feet?

A

25 feet

FG 503.5.4

105
Q

A 12 inch diameter listed gas vent with a listed cap is located 9 feet from a vertical wall. The gas vent is being terminated outside a building that has a roof slope of 12/12. What is the minimum termination distance above the roof?

A

4.0 feet

FG Figure 503.6.5

106
Q

Where required to protect vents from physical damage, protective shield plates shall extend a minimum of ______ inches above sole plates and below top plates.

A

4 inches

FG 502.7

107
Q

A type L vent is permitted for what?

A

listed combination gas and oil-burning appliances

FG Table 503.4

108
Q

A type B or L vent shall terminate at least _____ feet in vertical height above the highest appliance draft hood or flue collar.

A

5 feet

FG 503.6.6

109
Q

On a roof with a 4/12 slope, an 8-inch type B vent located 12 feet from a vertical wall shall terminate a minimum of ______ inches above the roof.

A

12 inches

FG Figure 503.6.5

110
Q

Gas vents shall terminate not less than 3 feet above any forced air inlet located within what?

A

10 feet

FG 503.6.8

111
Q

Gas vents terminating less than 8 feet from a vertical wall shall terminate not less than ______ feet above any portion of a building within 10 feet.

A

2 feet

FG 503.6.5 #2

112
Q

Decorative shrouds for gas vents shall be listed for what?

A

for the specific gas venting system

FG 503.6.5.1

113
Q

A common gas vent serving appliances on more than one floor level shall be permitted for _____________ appliances provided that the venting system is designed and installed in accordance with approved engineering methods.

A

Category I

FG 503.6.11

114
Q

Gas vents shall be supported in accordance with what?

A

the manufacturer’s installation instructions

FG 503.6.12

115
Q

A single wall metal pipe vent shall terminate at least ______ inches higher than any portion of a building within 10 feet.

A

24 inches

FG 503.7.3

116
Q

Where double wall vents are installed, fasteners shall not what?

A

not penetrate the inner wall

FG 503.6.14

117
Q

Single wall metal pipe vent shall be constructed of galvanized sheet steel not less than how thick?

A

0.0304 inch

FG 503.7.1

118
Q

For single wall metal pipe to be used outdoors for venting appliances, the 99 percent winter design temperature must not be less than ______ degrees F.

A

32 degrees F

FG 503.7.2

119
Q

A single wall metal pipe vent shall terminate at least _____ feet in vertical height above the highest appliance draft hood outlet.

A

5 feet

FG 503.7.3

120
Q

When terminating above a roof, a single wall metal pipe vent shall extend at least _____ feet above the highest point where it passes through the roof.

A

2 feet

FG 503.7.3

121
Q

Where a single wall metal pipe vent passes through a roof constructed of combustible material, a noncombustible, non-ventilating thimble shall extend at least _______ inches above and 6 inches below the roof.

A

18 inches

FG 503.7.5

122
Q

Single-wall metal pipe vent is permitted to pass through an ___________ ________ constructed of combustible materials.

A

exterior wall

FG 503.7.6

123
Q

A mechanical draft venting system terminates through an exterior wall directly above an operable window. The vent termination must be located a minimum of _____ foot above the window.

A

1 foot

FG 503.8 #2

124
Q

The vent terminal of a direct-vent appliance with an input of 20,000 Btu/hr shall be located at least _____ inches from any air opening into a building.

A

9 inches

FG Table 503.8

125
Q

In general, a vent connector for a Category I appliance shall slope upward toward the chimney or vent at least _____ inch per foot.

A

1/4 inch

FG 503.10.7

126
Q

The horizontal length of a single-wall connector shall be not greater than ______ percent of the height of the vent or chimney.

A

75 percent

FG 503.10.8

127
Q

The horizontal length of a Type B double-wall connector shall be not greater than ______ percent of the height of the vent or chimney.

A

100 percent

FG 503.10.8

128
Q

The minimum thickness required for a 16 inch diameter steel vent connector with an internal area of 190 square inches serving a medium heat appliance is what?

A

0.067 inch

FG Table 503.10.2.5

129
Q

Barometric draft regulators shall be installed in a manner to prevent any difference in pressure between the regulator and the ____________ air supply.

A

combustion air

FG 503.12.5

130
Q

For a residential furnace with a listed gas conversion burner and draft hood, a single wall metal pipe connector requires a minimum clearance of _____ inches to combustible materials.

A

9 inches

FG Table 503.10.5

131
Q

Generally, the relief opening of a draft hood shall be located a minimum of _____ inches from any surface.

A

6 inches

FG 503.12.7

132
Q

Vent connectors shall not be increased in size more than _____ sizes greater than the draft hood outlet.

A

2 sizes

FG 504.2.11

133
Q

For a connector with two 90 degree elbows and two 45 degree elbows, the maximum capacity of the vent connector shall be reduced by _____ percent from the capacity listed in the common vent sizing tables for two or more appliances.

A

10 percent

FG 504.2.3

134
Q

Where commercial cooking appliances are vented by means of a Type I or II kitchen hood, an interlock shall prevent the _____________ from operating when the exhaust system is not operating.

A

appliance

FG 505.1.1

135
Q

The vent terminal of a direct-vent appliance with an input of 60,000 Btu/hr shall be located at least ______ inches from any air opening into a building.

A

12 inches

FG Table 503.8

136
Q

Generally, for vent systems serving more than one appliance, an 8 inch diameter connector is limited to a maximum horizontal length of what?

A

12 feet

FG Table 504.3.2

137
Q

What is the minimum clearance required between a vent connector and combustible materials for an unlisted residential appliance with a draft hood served by a single wall metal pipe vent?

A

9 inches

FG Table 503.10.5

138
Q

A vented wall furnace shall be located so that a door cannot swing within ______ inches of the air inlet or outlet.

A

12 inches

FG 608.4

139
Q

Casing extension boots shall not be installed on a wall furnace unless?

A

listed as part of the appliance

FG 608.5

140
Q

The floor register of a floor furnace is permitted to be installed where?
A. in a stairway landing
B. 4 inches from a wall
C. in a private doorway
D. 12 inches from draperies

A

D. 12 inches from draperies

FG 609.2 #3

141
Q

The register of a floor furnace with a horizontal warm air outlet shall not be placed closer than _____ inches to the nearest corner.

A

6 inches

FG 609.2 #2

142
Q

Two adjoining sides of the register of a floor furnace shall have a distance of at least ______ inches from walls to provide a walking path.

A

18 inches

FG 609.2 #2

143
Q

Floor furnaces shall not be installed in what floor?

A

in a concrete floor built on grade

FG 609.2 #4

144
Q

A floor furnace shall have a minimum clearance of 12 inches on all sides except the control side, which shall have a minimum clearance of what?

A

18 inches

FG 609.4

145
Q

Outside ventilation air shall be supplied to the space containing a recirculating direct-fire industrial heater at a minimum rate of _____ cfm (cubic feet per minute) per 1,000 Btu/h of the rated input of the heater.

A

4 cfm

FG 612.5

146
Q

Clothes dryer exhaust ducts shall be equipped with a what?

A

backdraft damper

FG 614.4

147
Q

Where susceptible to damage from nails or screws, clothes dryer exhaust ducts shall be protected with shield plates when the duct is installed less than ______ inches from the face of the framing member.

A

1 1/4 inches

FG 614.7

148
Q

Screws or other fasteners used to secure joints in clothes dryer exhaust ducts are limited to a maximum of ______ inch penetration into the duct.

A

1/8 inch

FG 614.8.2

149
Q

Clothes dryer exhaust ducts shall not extend through what?

A

plenums

FG 614.4

150
Q

Clothes dryer installations exhausting more than _______ cfm shall be provided with makeup air.

A

200 cfm

FG 614.6

151
Q

Where a closet is designed for the installation of a clothes dryer, an opening having an area of not less than _______ square inches shall be provided for makeup air.

A

100 square inches

FG 614.6

152
Q

Exhaust ducts for domestic clothes dryers shall have a nominal size of _____ inches in diameter.

A

4 inches

FG 614.8.1

153
Q

Exhaust ducts for domestic clothes dryers shall be supported at intervals not greater than _____ feet and secured in place.

A

4 feet

FG 614.8.2

154
Q

When protecting concealed dryer exhaust ducts from penetration by nails or screws, steel shield plates shall have a minimum thickness of what?

A

0.062 inch (16 gage)

FG 614.7

155
Q

For the protection of concealed dryer exhaust ducts, protective shield plates shall extend a minimum of _____ inches above the sole plate and below the top plate.

A

2 inches

FG 614.7

156
Q

Installation of a 4 inch radius mitered 90 degree elbow in a domestic dryer exhaust duct reduces the maximum specified length by what?

A

5 feet

FG Table 614.8.4.1

157
Q

Commercial clothes dryer exhaust ducts shall have a minimum clearance of _____ inches to combustible construction.

A

6 inches

FG 614.9

158
Q

The minimum finish dimension for a cleanout opening for a common dryer exhaust system in a multistory building is what?

A

12 inches

FG 614.10 #10

159
Q

In a 5-story building, the exhaust shaft serving clothes dryers on each floor requires what?
A. a lining of sheet metal or gypsum board
B. fire dampers in the exhaust duct at each story
C. a continuously operating exhaust fan
D. a cleanout opening at each story

A

C. a continuously operating exhaust fan

FG 614.10 #7

160
Q

Sauna heaters shall be equipped with a thermostat that limits the room temperature to no more than _______ degrees F.

A

194 degrees F

FG 615.6

161
Q

The required ventilation opening to a sauna room shall be not less than _____ inches by ____ inches.

A

4 inches
8 inches

FG 615.7

162
Q

In general, return air for a forced air furnace shall not be taken from a what?
A. room containing a direct vent appliance
B. crawl space
C. room containing an unvented appliance
D. room containing a solid fuel appliance

A

B. crawl space

FG 618.3 #7

163
Q

Unless the prescribed vertical clearances dimensions are maintained, the inlet for outside or return air for a forced air heating system shall not be located less than ______ feet horizontally from a plumbing vent termination.

A

10 feet

FG 618.3 #1

164
Q

Required outdoor air inlets for a residential forced air heating system shall be covered with screens having ______ inch openings.

A

1/4 inch

FG 618.4

165
Q

Hangers for a suspended type unit heater must be what?

A

noncombustible

FG 620.2

166
Q

Suspended type unit heaters shall be installed with clearances to combustible materials of not less than _____ inches at the sides of the unit.

A

18 inches

FG 620.4

167
Q

Cooking appliances installed in areas where domestic cooking operations occur shall be listed and labeled as _____________ type appliances for domestic use.

A

household type

FG 623.3

168
Q

A domestic open top broiler shall have a minimum clearance of ______ inches between the cooking top and combustible material above the hood.

A

24 inches

FG 623.5.1

169
Q

Unless provisions are made for a reduced clearance, domestic cooking appliances shall have a vertical clearance above the cooking top of not less than _______ inches to combustible material and metal cabinets above.

A

30 inches

FG 623.7

170
Q

Where the underside of the combustible material or metal cabinet above a cooking top is protected with 1/4 inch insulating millboard covered with sheet metal, a vertical clearance of not less than _______ inches is permitted above a domestic cooking appliance.

A

24 inches

FG 623.7 #1

171
Q

Water heaters utilized both to supply potable water and provide hot water for space heating shall be listed and labeled and shall be installed in accordance with the what?

A

International Plumbing Code

FG 624.2

172
Q

The required permanent notice placed outside of a sauna room warns users to not exceed _______ minutes in the sauna.

A

30 minutes

FG 615.7.1

173
Q

If a thermostat is not an integral part of the sauna heater, the heat-sensing element shall be located a maximum of ______ inches below the ceiling.

A

6 inches

FG 615.6

174
Q

A means to interrupt the electrical supply to a gas-fired air-conditioning appliance shall be provided within sight of and not more than ________ feet from the appliance.

A

50 feet

FG 627.10

175
Q

The minimum clearance to combustible material from the back of a floor-mounted unit heater is what?

A

6 inches

FG 620.4

176
Q

A 4-foot high post supporting an illuminating appliance shall be equivalent in strength to a _____ inch diameter schedule 40 steel pipe.

A

1 inch

FG 628.3

177
Q

When provided, a timer controlling the main burner of a sauna is limited to a maximum operating time of what?

A

1 hour (60 minutes)

FG 615.6.1

178
Q

Hydrogen pressure relief devices require ready what?

A

Ready access

FG 703.3.7

179
Q

Hydrogen-generating and refueling appliances located in automotive motor fuel dispensing facilities and repair garages require what?

A

Require exhaust ventilation

FG 703.1

180
Q

The nontoxic gas in gaseous hydrogen system must contain not less than _______ percent hydrogen by volume.

A

95 percent

FG 702.1

Building Official Study (8 decks)

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