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IFGC 2021 > Random > Flashcards

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1
Q

If a gas shut-off valve complies with
_______ it is
permitted without requiring a 5G label on
5-psig pressure gas lines.

A

ASME B16.33

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2
Q

A piping joint should be suitable for the
_________ conditions,
and must be chosen with consideration to mechanical strength and tightness of joint under service conditions.

A

Pressure, temperature

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3
Q

In administration, when
______
alternative materials or methods not
specifically prescribed by the IFGC may be permitted.

A

designed
by a registered design professional

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4
Q

A category IV
condensing appliance shall be provided with an/a __________
where damage to any building part occurs as the result of
condensate drainage stoppage.

A

Auxiliary drain pan

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5
Q

Where must a gas shut-off valve for an appliance be installed?

A

upstream of a union

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6
Q

Regarding structural safety, truss components and members may not be cut, drilled, notched, spliced or otherwise altered in any way unless a ________ gives written approval and agreement.

A

registered design professional

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7
Q

For installation of appliances in an enclosed parking garage, what standard applies?

A

NFPA 88A

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8
Q

An appliance, equipment, and/or system installation for a structure in a ________ must be at or above the required elevation for utilities and attendant equipment, as detailed in the International Building Code Section 1612.

A

flood hazard area

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9
Q

The maximum infiltration rate to be used in equations for indoor combustion air when the air-infiltration-rate is known is ________ ACH.

A

0.60

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10
Q

In general regulations, appliances not listed:

A

may be allowed, depending on an engineering evaluation

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11
Q

Regarding combustion air, ________ must be provided when the operation of appliances is interfered with by clothes dryers, exhaust fans, and kitchen ventilation systems.

A

Makeup air

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12
Q

When installed in a private garage, appliances must be ________ feet or more above the floor.

A

6

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13
Q

Regarding general regulations, when a single wall-mounted unvented room heater is installed in a bedroom, it is limited to an input rating of not more than:

A

10,000 BTU/Hr

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14
Q

Who is a code official authorized to accept inspection reports from?

A

approved agencies or individuals

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15
Q

Used fittings, pipe, valves and other materials must be free of ________ to be used in a gas piping system.

A

foreign materials

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16
Q

In combustion air, each opening of a horizontal duct that communicates with the outdoors must have at least 1 square inch per ________ BTU per hour of total input rating of all appliances in the enclosure for free area.

A

2,000

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17
Q

Gas shut-off valves for appliances must be ______ from the appliance or less.

A

6

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18
Q

Regarding general regulations, at the time of inspection, ________ instructions from the manufacturer must be available on the job site.

A

Installation

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19
Q

Threaded fittings for steel gas piping must be ______ inches or less unless specifically approved.

A

4

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20
Q

For gas piping outlets, the unthreaded part must extend beyond finished ceilings and walls at least ______ inch(es).

A

1”

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21
Q

The ________ for multiple meters must mark each meter’s piping system with permanent identification that has been approved.

A

Installer

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22
Q

An appliance must be in a location to allow proper ________ of combustion, ventilation and dilution air.

A

Circulation

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23
Q

For access, rooms containing appliances that are not in a dwelling unit must have a door and a passageway with an unobstructed clearance of 80 inches high and ________ inches wide or more.

A

36”

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24
Q

Attics with appliances installed must have a level space for service at least ________ inches deep by ________ inches wide.

A

30, 30

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25
Q

Of the following, which pipe assembly type is only allowed in installations outside of buildings or within hydrogen cutoff rooms?

A

flange connections

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26
Q

When an appliance shut off valve is at a manifold, it does not need to be:

A

in the same room as the appliance

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27
Q

A door, drapery, or other such object must never be closer than ______ inches to any part of the register of a floor furnace.

A

12”

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28
Q

A shut-off valve for gas service must be within 6 feet (1829 mm) of the appliance, but must also be within the same:

A

Room

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29
Q

There must be markings on hydrogen piping systems each time there is a:

A

wall penetration

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30
Q

In structural safety, the minimum required space in a cut, notched or bored nonstructural cold-formed steel wall stud with at least two openings is_________.

A

24 inches

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31
Q

For Group H occupancies or control areas where open dispensing, handling or use of combustible, explosive or flammable materials occurs, equipment and appliances with an ignition source______________.

A

must be elevated

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32
Q

In installation, a concrete slab supporting an appliance must be ________ inches or more above the adjoining grade.

A

3

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33
Q

A clearance of ________ inches or more is required in front of an appliance, when outdoor combustion air is provided through a single opening.

A

6

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34
Q

In gas piping installation, the calculations for the volumetric flow rate of gas to be provided in cubic feet per hour must use the ________, adjusted for altitude, of the appliances.

A

maximum input

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35
Q

When replacement or repair of defective materials or parts is necessary, it must be in a manner to preserve the original ________ or approval.

A

Listing

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36
Q

Installation of CSST piping systems must be compliant with the listing conditions, manufacturer’s instructions, the ________, and this code.

A

terms of their approval

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37
Q

Installation of CSST piping systems must be compliant with the listing conditions, manufacturer’s instructions, the ________, and this code.

A

terms of their approval

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38
Q

Regarding gaseous hydrogen systems, in areas other than ___________________, threaded and flanged connecti

A

hydrogen cutoff rooms and outdoors

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39
Q

When an opening obtains indoor combustion air from a different story, it requires a total of at least ________ square inch(es) of free area per 1,000 BTU/h of the total input rating of appliances.

A

2

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40
Q

When an opening obtains indoor combustion air from a different story, it requires a total of at least ________ square inch(es) of free area per 1,000 BTU/h of the total input rating of appliances.

A

2

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41
Q

Supports for 1/2-inch copper tubing gas piping must be ______ feet apart or less.

A

4

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42
Q

Regarding gaseous hydrogen systems, vent pipe outlets to purge fuel gas or inert gas must be located so that the gas is released outdoors, and at least ______ feet above the adjacent ground level.

A

8 feet

43
Q

What is the maximum spacing for supports for 1-inch steel gas piping?

A

8 feet

44
Q

When connecting a pressure-measuring instrument with a tee fitting with one capped opening, how many pipe diameters downstream of an MP regulator is the maximum distance installation of the fitting?

A

10

45
Q

In applicability, when a standard adopted by reference in Chapter 8 and a provision of the IFGC conflict, which of them takes precedence?

A

The IFGC takes precedence

46
Q

If a test requires a pressure of 10 psig or less, then the testing gauge must have increments of not more than ______ psi.

A

0.10

47
Q

The pneumatic test pressure of a hydrogen piping system must be at least ______ psig.

A

5

48
Q

Piping systems for hydrogen must be marked at intervals of at least ______ feet.

A

20 feet

49
Q

You may not use ________ pipe.

A

Cast Iron

50
Q

The sizing tables of the ________ should be used to determine gas piping size.

A

piping system manufacturer

51
Q

In occupancies regulated by the IRC, flammable gas cylinders must not be more than:

A

250 cubic feet at normal temperature and pressure (NTP)

52
Q

An emergency shut-off switch at a self-service LP-gas dispensing system must be no more than ______ feet of, but at least ______ feet from the dispensers.

A

100, 20

53
Q

Where gas piping is required to be purged to the outdoors, the point of discharge must be at least ______ feet from building openings.

A

10

54
Q

The highest end of the scale for mechanical gauges, used to measure test pressures must not be greater than _______ times the test pressure.

A

Five (5)

55
Q

_____ _____ installed in tubing systems may be rigidly and securely supported independently of the tubing.

A

Shutoff valves

56
Q

For portable outdoor appliances, the listed gas hose connection shall be to the gas piping supplying at an appliance shut off valve, listed _____ - _____ _____ or listed _____ _____ _____.

A

Quick-disconnect device

Gas convenience outlet

57
Q

Movement of commercial, cooking appliances with casters shall be limited by a ______ ______ installed in accordance with the flexible, connector and appliance manufactures instructions.

A

Restraining device

58
Q

Self service LP – gas motor vehicle dispensing systems shall be provided with an emergency shut off switch located within ______ feet of, but not less than ______ feet from, dispensers.

A

100

20

59
Q

For residential, CNG fueling appliances, installed outdoors, the capacity shall not exceeded _______ standard, cubic feet per minute of natural gas.

A

5

60
Q

Where residential compressed natural gas (CNG) fueling appliances are located indoors, they must be installed per the requirements of CSA/ANSI NGV 5.1, MANUFACTURER INSTALLATION, INSTRUCTIONS, AND SECTION ______ OF THE _______ _______ _______.

A

2308

International fire code

61
Q

Where vents pass through insulated assemblies, an insulation shield constructed of not less than number _______ gauge sheet steel shall be installed to provide clearance between the vent and the insulation material

A

26

62
Q

Pipe, tubing and fittings shall be free from cutting burs and ______ in structure or threading, and shall be thoroughly brushed, and ship and scale blown.

A

Defects

63
Q

The type of metallic piping joint used Shelby suitable for the _______ - _______ conditions.

A

Pressure – temperature

64
Q

Field drilled and tapped pipe fittings are permitted under limited conditions where the work is performed by the _______ _______.

A

Gas Supplier

65
Q

For flange joints, materials for _______ shall be capable of withstanding, the design, temperature and pressure of the piping system, and the chemical constituents of the gas being conducted.

A

Gaskets

66
Q

CSST piping systems shall be installed in accordance with the terms of their approval, the conditions of _______, the ________ _______ and this code

A

Listing

Manufacturers instructions

67
Q

Concealed gas piping shall not be located in solid partitions and solid walls, unless installed in a ________ or _________.

A

Chase

Casing

68
Q

Threaded _______ , ______ , _______ , _______ and _______ are permitted fittings for concealed locations

A

Elbows
Tees
Couplings
Plugs
Caps

69
Q

Underground piping that is not corrosion resistant shall have a _________ - ________, _______ - ________ coating.

A

Factory – applied

Electrically – insulating

70
Q

Threaded and flange connections and hydrogen piping shall not be used in areas other than _______ _______ ______ and _______.

A

Hydrogen cutoff rooms

Outdoors

71
Q

Construction or work for which a permit is required shall be subject to _______ buy the code official, and such construction or work shall remain visible and able to be accessed for ______ purposes until approved

A

Inspection

Inspection

72
Q

Outdoor combustion air provided by a mechanical air supply system requires a supply rate, not less than _______ cubic feet per minute, per 1000 BTU/H of total input rating of all appliances located within the space.

A

0.35

73
Q

Equipment and appliance _______ _______ _______ Shelby available on the job site at the time of inspection.

A

Manufactures installation instructions

74
Q

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

A

6

75
Q

Attics containing appliances shall have a passageway, not less than _______ inches high and _______ inches wide and not more than _______ feet in length.

A

30 inches
22 inches
20 feet

76
Q

For appliances installed in attics, a _______ and a _______ _______ shall be provided at or near the appliance location.

A

Luminaire

Receptacle outlet

77
Q

An automatic appliance shut off device is required for condensate pumps located in _______ spaces

A

Uninhabitable

78
Q

Indoor combustion air openings shall be not less than _______ square inches.

A

100

79
Q

Appliances shall be located so as not to interfere _______ of combustion, ventilation, and dilution air.

A

Circulation

80
Q

Appliances installed in pits, require a minimum clearance of _______ inches from the appliances to the sides of the pit.

A

12

81
Q

Appliances shall not be installed in a location, subject to _______ _______ _______ except wear protected by an approved means

A

Vehicle impact damage

82
Q

A device used in piping to control the gas supply to any section of a system, piping or an appliance

A

Valve

83
Q

The instrument installed to measure the volume of gas delivered through it

A

Meter

84
Q

The maximum amount of gas input required per unit of time, usually expressed in cubic feet per hour, or BTU/H

A

Demand

85
Q

A location that cannot be accessed without damaging permanent parts of the building or structure or finish surface

A

Concealed location

86
Q

Where the code official phones that a purpose alternative material does not comply with the inlet of the code provisions, the code official shall respond ______ ______ stating the ______ ______ _____.

A

In writing

Reason for disapproval

87
Q

Gaseous hydrogen, piping, and tubing materials shall be ______ ______ ______ _____ or materials listed approved for hydrogen service.

A

300 series stainless steel

88
Q

Hydrogen gas cylinders for indoor storage and use in occupancies regulated by the international residential code shall not exceed ______ cubic feet at normal temperature and pressure

A

250

89
Q

For supporting, illuminating appliances, the strength and rigidity of post greater than ______ feet in height shall be at least equivalent to that of a 2–1/2 diameter post constructed of 0.064 – inch thick steel or 1 – inch ______ steel pipe.

A

3

Schedule 40

90
Q

True or false PVC and CPVC pipe are permitted to be used to convey fuel gases

A

False

91
Q

_______ _______ _______ CSST Shelby considered to be bonded where it is connected to an appliance that is connected to the appliance grounding conductor

A

Arc – resistant – jacketed

92
Q

An LP gas piping system with an operating pressure greater than _______ PSI is permitted inside of buildings provided the system comp with NFPA 58

A

20

93
Q

Piping materials shall not be used again, except where they are free of _______ _______ and have been ascertain to be _______ for the proposed service.

A

Foreign material

Adequate

94
Q

The controls, combustion air, inlets, and draft hoods for duct furnaces shall be located _______ of the ducts

A

Outside

95
Q

Prior to the acceptance and initial operation, all piping installation shall be ______ _______ and ______ _______ to determine that the materials, design, fabrication and installation practices comply with the requirements of this code.

A

Visually inspected

Pressure tested

96
Q

In gaseous hydrogen systems, if a test requires a pressure of over 100 psig, the testing gauge must have increments of no more than
_______ psi.

A

2.0 psi

97
Q

In gaseous hydrogen systems, if a test requires a pressure of over 100 psig, the testing gauge must have increments of no more than
_______ psi.

A

2.0 psi

98
Q

All construction documents, applications, and other data filed when applying for a _____ must be reviewed by a code official.

A

Permit

99
Q

What is the definition for a device used to control the gas supply in piping, to any section of a system to an appliance.

A

Valve

100
Q

Regarding gas piping installations, indicators for combustible gas must numerically display a scale for volume from 0 to 100 percent in increments of _________.

A

1 percent or smaller

101
Q

What guidelines must be followed for the support and spacing of gas vents?

A

the manufacturer’s installation instructions

102
Q

In specific appliances, as long as they can be verified to be in a
________ before main burner operation, closable louvers or motorized dampers are allowed for use.

A

Full open position

611.7
Relief opening.

103
Q

Regarding gas piping installations, indicators for combustible gas must numerically display a scale for volume from 0 to 100 percent in increments of ________.

A

1 percent or smaller

406.7.1.4 Combustible gas indicator.

104
Q

In occupancies regulated by the IRC, flammable gas cylinders must not be more than:

A

250 cubic feet at normal temperature and pressure (NTP)

703.2.1 Limitations for indoor storage and use

IFGC 2021 (7 decks)

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