HVAC JOURNEYMAN EXAMS SCRIPT 2025/2026
QUESTIONS WITH ANSWERS TAGGED A+
✔✔Given: A gas line to an outside barbecue is to be Schedule 40 Steel Pipe buried in
the Ground. What special Precautions need to be taken? - ✔✔The Pipe Needs to be
protected against Corrosion
✔✔Which of the following terms identifies the Liquid that condenses from a gas caused
by a reduction in temp? - ✔✔Condensate
✔✔When a portable step Ladder is Required to reach mechanical Equipment for Repar
or inspection and an access panel which is secured by screws must be Removed to get
to the Equipment, the Equipment would be concidered? - ✔✔Accessible
✔✔For a roof top heating appliance installed at a Height of more than I6ft. Access must
be provided by? - ✔✔A permanent means of access
✔✔Disregarding exceptions, as water Heaters Shall not be installed in? - ✔✔Bedrooms
✔✔Non residential Low-Heat Appliances Have A Maximum Vent
Gas Temp of_____degrees F. - ✔✔1000 degrees F
✔✔A gas supply line is being installed and it becomes necessary to bore a hole through
Floor Joist. What distance do you need from top or bottom? - ✔✔2in
✔✔Underground commercial kitchen grease duct installation shall be completely
encased in concrete with a minimum thickness of_____ inches? - ✔✔2 (IMC
506.3.10.3)
✔✔Metallic pipe Joints may be made by all of the following methods except? -
✔✔Solvent cementing
✔✔The mininum quanity of Air to be Exhusted through a 3 sided canopy type 2 hood
30x72 over a pizza oven is ____ cfm? - ✔✔2400
✔✔What must be provided where Kitchen ventilation systems interfere with the
operation of Appliances? - ✔✔Make up Air
✔✔A Health Club Shower with 4 heads in a 10 by 10 room requires_____ cfm of
intermittent ventilation? - ✔✔50cfm
, ✔✔According to the NEPA 54 when installing plastic pipe under Ground, the minimum
size tracer wire that shell be installed with the pipe is ______ AWG. - ✔✔14
✔✔The maximun size rating for a branch circuit suppling fixed electric space-heating
equipment is ______ Amperes. - ✔✔30
✔✔Field-wired conductors between a heater and the supplementary over current device
shall be a minimum of ____ % of the Load served - ✔✔125%
✔✔A "Class A" refrigerant code indicates what.. - ✔✔A refrigerant with low toxicity
✔✔Refrigerant safety group classifications are what? - ✔✔Flammability and toxicity
✔✔A recirculating air system with 1500 CFM Fan serving an exit... - ✔✔Shall have 1 hr
fire-Rated duct.
✔✔A duct used for a domestic Kitehen Range Vent is permitted to be of schedule 40
Pvc Provided... - ✔✔The duct is under a concrete slab floor and the Range has a down
draft Blower.
✔✔A Gas appliance draws air from a room that is 10x10x8 the minimum size gas
appliance that can be used is? - ✔✔16000
✔✔The minimum dimension of outdoor combustion air openings shall be _____? - ✔✔3
inches
✔✔Unlisted Gas equipment May be intalled - ✔✔By special approval
✔✔For space which contains fuel burning equipment, the terms applied to the ammount
of Air needed for complete ——include theoretical air and Excess Air. - ✔✔Combustion
✔✔How much clearance is required around a furnace? - ✔✔18in
✔✔Anything fuel gas code related is found where? - ✔✔Nfpa 54
✔✔a duct located above a sidewalk should be terminated at least —- feet (3048 mm)
above the adjoining grade level - ✔✔10ft
✔✔When they ask about UL codes what does it refer to? Ie: UL 404. - ✔✔In the
International Mechanical Code (IMC), "UL 404 code" refers to the specific requirements
within Section 404 of the code
QUESTIONS WITH ANSWERS TAGGED A+
✔✔Given: A gas line to an outside barbecue is to be Schedule 40 Steel Pipe buried in
the Ground. What special Precautions need to be taken? - ✔✔The Pipe Needs to be
protected against Corrosion
✔✔Which of the following terms identifies the Liquid that condenses from a gas caused
by a reduction in temp? - ✔✔Condensate
✔✔When a portable step Ladder is Required to reach mechanical Equipment for Repar
or inspection and an access panel which is secured by screws must be Removed to get
to the Equipment, the Equipment would be concidered? - ✔✔Accessible
✔✔For a roof top heating appliance installed at a Height of more than I6ft. Access must
be provided by? - ✔✔A permanent means of access
✔✔Disregarding exceptions, as water Heaters Shall not be installed in? - ✔✔Bedrooms
✔✔Non residential Low-Heat Appliances Have A Maximum Vent
Gas Temp of_____degrees F. - ✔✔1000 degrees F
✔✔A gas supply line is being installed and it becomes necessary to bore a hole through
Floor Joist. What distance do you need from top or bottom? - ✔✔2in
✔✔Underground commercial kitchen grease duct installation shall be completely
encased in concrete with a minimum thickness of_____ inches? - ✔✔2 (IMC
506.3.10.3)
✔✔Metallic pipe Joints may be made by all of the following methods except? -
✔✔Solvent cementing
✔✔The mininum quanity of Air to be Exhusted through a 3 sided canopy type 2 hood
30x72 over a pizza oven is ____ cfm? - ✔✔2400
✔✔What must be provided where Kitchen ventilation systems interfere with the
operation of Appliances? - ✔✔Make up Air
✔✔A Health Club Shower with 4 heads in a 10 by 10 room requires_____ cfm of
intermittent ventilation? - ✔✔50cfm
, ✔✔According to the NEPA 54 when installing plastic pipe under Ground, the minimum
size tracer wire that shell be installed with the pipe is ______ AWG. - ✔✔14
✔✔The maximun size rating for a branch circuit suppling fixed electric space-heating
equipment is ______ Amperes. - ✔✔30
✔✔Field-wired conductors between a heater and the supplementary over current device
shall be a minimum of ____ % of the Load served - ✔✔125%
✔✔A "Class A" refrigerant code indicates what.. - ✔✔A refrigerant with low toxicity
✔✔Refrigerant safety group classifications are what? - ✔✔Flammability and toxicity
✔✔A recirculating air system with 1500 CFM Fan serving an exit... - ✔✔Shall have 1 hr
fire-Rated duct.
✔✔A duct used for a domestic Kitehen Range Vent is permitted to be of schedule 40
Pvc Provided... - ✔✔The duct is under a concrete slab floor and the Range has a down
draft Blower.
✔✔A Gas appliance draws air from a room that is 10x10x8 the minimum size gas
appliance that can be used is? - ✔✔16000
✔✔The minimum dimension of outdoor combustion air openings shall be _____? - ✔✔3
inches
✔✔Unlisted Gas equipment May be intalled - ✔✔By special approval
✔✔For space which contains fuel burning equipment, the terms applied to the ammount
of Air needed for complete ——include theoretical air and Excess Air. - ✔✔Combustion
✔✔How much clearance is required around a furnace? - ✔✔18in
✔✔Anything fuel gas code related is found where? - ✔✔Nfpa 54
✔✔a duct located above a sidewalk should be terminated at least —- feet (3048 mm)
above the adjoining grade level - ✔✔10ft
✔✔When they ask about UL codes what does it refer to? Ie: UL 404. - ✔✔In the
International Mechanical Code (IMC), "UL 404 code" refers to the specific requirements
within Section 404 of the code
