NFI Core Knowledge Questions With Complete Solutions
A floor protector is defined in the UL1618 standard as... Correct
Answers A noncombustible surfacing applied to the floor area
underneath and extending in front, to the sides, and to the rear of
a heat producing appliance.
A hearth extension is defined in the UL1618 standard as...
Correct Answers A noncombustible surfacing applied to the
floor area extending in front of and at the sides of the hearth
opening of a fireplace or fireplace insert.
AHJ stands for what? Correct Answers The organization,
office, or individual responsible for enforcing the requirements
of a code or standard, or approving equipment, installations, or a
procedure is known as the "authority having jurisdiction".
AIA Correct Answers American Institute of Architects
Aldehydes Correct Answers Chemical compounds that have a
strong pungent odor, are produced in incomplete or interrupted
combustion.
ANSI Z21.11.2 Correct Answers Gas Fired Room Heaters,
Unvented Room Heaters: This standard applies to new gas-fired
unvented room heaters and gas-fired unvented decorative room
heaters. Cannot be installed in a confined space unless
provisions are made for adequate combustion and ventilation air.
ANSI Z21.50 Correct Answers Decorative Gas Fireplaces:
Applies to new vented gas fireplaces. These vented gas
, fireplaces are vented appliances that allow the view of the
flames and provides a simulation of a solid fuel fireplace. Not
tested for efficiency.
ANSI Z21.60 Correct Answers Decorative Gas Appliances in
Solid-fuel Fireplaces: Applies to gas log sets in working
masonry and listed factory-built fireplaces and vented through
their chimneys.
ANSI Z21.84 Correct Answers Manually Lighted, Natural Gas
Decorative Gas Appliances for Installation in Solid-Fuel
Burning Appliances: This standard covers gas log sets that can
be lighted manually. These units are not allowed in many parts
of the country.
ANSI Z21.88/CSA 2.33 Correct Answers Vented Gas Fireplace
Heaters: This standard applies to new vented gas fireplaces that
meet minimum efficiency requirements.
ANSI Z21.97 Correct Answers Outdoor Decorative Gas
Appliances: Defines outdoor spaces and outdoor gas hearth
appliances, establishes materials, construction, venting,
installation instruction, and other requirements. Also provides
minimum requirements for construction, performance, and
testing.
ASTM E 1509 Correct Answers Standard Specification for
Room Heater, Pellet Fuel-Burning Type: Covers performance
requirements, test methods, and marking requirements for
automatic feed, pellet fuel-burning room heaters that are
intended to burn wood pellets or other suitable solid fuel.
A floor protector is defined in the UL1618 standard as... Correct
Answers A noncombustible surfacing applied to the floor area
underneath and extending in front, to the sides, and to the rear of
a heat producing appliance.
A hearth extension is defined in the UL1618 standard as...
Correct Answers A noncombustible surfacing applied to the
floor area extending in front of and at the sides of the hearth
opening of a fireplace or fireplace insert.
AHJ stands for what? Correct Answers The organization,
office, or individual responsible for enforcing the requirements
of a code or standard, or approving equipment, installations, or a
procedure is known as the "authority having jurisdiction".
AIA Correct Answers American Institute of Architects
Aldehydes Correct Answers Chemical compounds that have a
strong pungent odor, are produced in incomplete or interrupted
combustion.
ANSI Z21.11.2 Correct Answers Gas Fired Room Heaters,
Unvented Room Heaters: This standard applies to new gas-fired
unvented room heaters and gas-fired unvented decorative room
heaters. Cannot be installed in a confined space unless
provisions are made for adequate combustion and ventilation air.
ANSI Z21.50 Correct Answers Decorative Gas Fireplaces:
Applies to new vented gas fireplaces. These vented gas
, fireplaces are vented appliances that allow the view of the
flames and provides a simulation of a solid fuel fireplace. Not
tested for efficiency.
ANSI Z21.60 Correct Answers Decorative Gas Appliances in
Solid-fuel Fireplaces: Applies to gas log sets in working
masonry and listed factory-built fireplaces and vented through
their chimneys.
ANSI Z21.84 Correct Answers Manually Lighted, Natural Gas
Decorative Gas Appliances for Installation in Solid-Fuel
Burning Appliances: This standard covers gas log sets that can
be lighted manually. These units are not allowed in many parts
of the country.
ANSI Z21.88/CSA 2.33 Correct Answers Vented Gas Fireplace
Heaters: This standard applies to new vented gas fireplaces that
meet minimum efficiency requirements.
ANSI Z21.97 Correct Answers Outdoor Decorative Gas
Appliances: Defines outdoor spaces and outdoor gas hearth
appliances, establishes materials, construction, venting,
installation instruction, and other requirements. Also provides
minimum requirements for construction, performance, and
testing.
ASTM E 1509 Correct Answers Standard Specification for
Room Heater, Pellet Fuel-Burning Type: Covers performance
requirements, test methods, and marking requirements for
automatic feed, pellet fuel-burning room heaters that are
intended to burn wood pellets or other suitable solid fuel.
