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NATIONAL FUEL GAS CODE FINAL EXAM 2025
NEWEST ACTUAL EXAM COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES (100% VERIFIED ANSWERS) |ALREADY
GRADED A+ //LATEST EXAM!!!
The maximum operating pressure shall be ________ psi. -
Answer-125
The term "shall" indicates what? - Answer-mandatory
requirement
Define a Category I Vented Appliance. - Answer-
nonpositive vent, non condensate
Define a Category II Vented Appliance. - Answer-
nonpositive vent, condensate
Define a Category III Vented Appliance. - Answer-positive
vent, non condensate
Define a Category IV Vented Appliance. - Answer-positive
vent, condensate
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Define a Low Pressure Boiler. - Answer-Generates steam
not in excess of 15 psi, with a maximum temperate of 250
degrees.
Define British Thermal Unit (Btu) - Answer-the quantity of
heat required to raise the temperature of 1 pound of water
1 degree (1055 joules)
Define a Burner. - Answer-A device for the final
conveyance of gas, or a mixture of gas and air, to the
combustion zone.
Define a Type 1 and 2 Clothes Dryer. - Answer-Family,
Public
Define Condensate (Condensation) - Answer-Liquid that
separates from a gas due to a reduction in temperature or
an increase in pressure
Define a Cubic Foot of Gas. - Answer-The amount of gas
that occupies 1 ft cubed at 60 degrees.
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Define Draft - Answer-A pressure difference that causes
gas or air to flow through a chimney, vent, flue or
appliance
Define a Mechanical Draft - Answer-Draft produced by a
fan or an air of steam jet
Define a Natural Draft - Answer-Draft produced by the
difference in the weight of a column of flue gases within a
chimney or vent
Define a Draft Hood - Answer-A nonadjustable device built
into an appliance or made a part of the vent connector
from an appliance
Define a Flue Collar - Answer-The portion of an appliance
designed for the attachment of a draft hood, vent
connector or venting system.
Define a Pressure Relief Valve - Answer-A valve that
automatically opens and closes a relief vent, depending on
whether the pressure is above or below a predetermined
value.
NATIONAL FUEL GAS CODE FINAL EXAM 2025
NEWEST ACTUAL EXAM COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES (100% VERIFIED ANSWERS) |ALREADY
GRADED A+ //LATEST EXAM!!!
The maximum operating pressure shall be ________ psi. -
Answer-125
The term "shall" indicates what? - Answer-mandatory
requirement
Define a Category I Vented Appliance. - Answer-
nonpositive vent, non condensate
Define a Category II Vented Appliance. - Answer-
nonpositive vent, condensate
Define a Category III Vented Appliance. - Answer-positive
vent, non condensate
Define a Category IV Vented Appliance. - Answer-positive
vent, condensate
,2|Page
Define a Low Pressure Boiler. - Answer-Generates steam
not in excess of 15 psi, with a maximum temperate of 250
degrees.
Define British Thermal Unit (Btu) - Answer-the quantity of
heat required to raise the temperature of 1 pound of water
1 degree (1055 joules)
Define a Burner. - Answer-A device for the final
conveyance of gas, or a mixture of gas and air, to the
combustion zone.
Define a Type 1 and 2 Clothes Dryer. - Answer-Family,
Public
Define Condensate (Condensation) - Answer-Liquid that
separates from a gas due to a reduction in temperature or
an increase in pressure
Define a Cubic Foot of Gas. - Answer-The amount of gas
that occupies 1 ft cubed at 60 degrees.
, 3|Page
Define Draft - Answer-A pressure difference that causes
gas or air to flow through a chimney, vent, flue or
appliance
Define a Mechanical Draft - Answer-Draft produced by a
fan or an air of steam jet
Define a Natural Draft - Answer-Draft produced by the
difference in the weight of a column of flue gases within a
chimney or vent
Define a Draft Hood - Answer-A nonadjustable device built
into an appliance or made a part of the vent connector
from an appliance
Define a Flue Collar - Answer-The portion of an appliance
designed for the attachment of a draft hood, vent
connector or venting system.
Define a Pressure Relief Valve - Answer-A valve that
automatically opens and closes a relief vent, depending on
whether the pressure is above or below a predetermined
value.
