HVAC JOURNEYMAN EXAM 2025
QUESTIONS AND ANSWERS
Duct furnaces that convey air out of the Room in which they are installed Still have return air
supplied? - ANS Return air duct (IMC 601.5)
The use of a corridor for retum is permitted in all of the following locations except? -
ANS within tenant spaces of 1,000 square feet (93 m2) or less in area (IMC 1020.6)
Given: A Gas fired furnace with todal input rating of 100,000 Bu/h is to be in stalled in a room,
The minimum combined indoor combustion air opening sizing that is required into the room
Shall be____ sq in? - ANS 50 sq in
Given: A Gas fired furnace with a input of 148,000 Btu is to be provided with Combustion Air
through Horizonal Quets The minimum size free air opening that must be provided is____sq in?
- ANS 148
The minimum distance from Conbustible materials that is permitted for a Type L Connecter
Pipe sering a residental Gas Water heater Shall be___in? - ANS 3in (IMC 503.10.5)
When a wall furnace is installed in wood construction what type gas vent is permitted? -
ANS Type BW
When ventilation must be supplied to equipment rooms, the exhaust must be minimum
of_____ft from a building opening. - ANS 20ft
Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 1
, Which Class of Refrigerants does Not Show Flame Propagation when tested by Prescribed
methods at specific conditions? - ANS Class 1
Guards shall be provided for Equipment located on a roof that is 10ft Above grade when the
Equipment is within a minimum distance of___ft from the edge? - ANS 10ft
A vessel or arrangement of piping in which vaporized refrigerants is liquefied by the removal of
Heat is? - ANS Condenser
In minor repairs of mechanical Equipment, defective Parts Shall be replaced so that they will? -
ANS preserve the original approval or listing (IMC 301.14)
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? - ANS 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? - ANS 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? - ANS Accessible
For a roof top heating appliance installed at a Height of more than I6ft. Access must be
provided by? - ANS A permanent means of access
Disregarding exceptions, as water Heaters Shall not be installed in? - ANS Bedrooms
Non residential Low-Heat Appliances Have A Maximum Vent
Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 2
QUESTIONS AND ANSWERS
Duct furnaces that convey air out of the Room in which they are installed Still have return air
supplied? - ANS Return air duct (IMC 601.5)
The use of a corridor for retum is permitted in all of the following locations except? -
ANS within tenant spaces of 1,000 square feet (93 m2) or less in area (IMC 1020.6)
Given: A Gas fired furnace with todal input rating of 100,000 Bu/h is to be in stalled in a room,
The minimum combined indoor combustion air opening sizing that is required into the room
Shall be____ sq in? - ANS 50 sq in
Given: A Gas fired furnace with a input of 148,000 Btu is to be provided with Combustion Air
through Horizonal Quets The minimum size free air opening that must be provided is____sq in?
- ANS 148
The minimum distance from Conbustible materials that is permitted for a Type L Connecter
Pipe sering a residental Gas Water heater Shall be___in? - ANS 3in (IMC 503.10.5)
When a wall furnace is installed in wood construction what type gas vent is permitted? -
ANS Type BW
When ventilation must be supplied to equipment rooms, the exhaust must be minimum
of_____ft from a building opening. - ANS 20ft
Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 1
, Which Class of Refrigerants does Not Show Flame Propagation when tested by Prescribed
methods at specific conditions? - ANS Class 1
Guards shall be provided for Equipment located on a roof that is 10ft Above grade when the
Equipment is within a minimum distance of___ft from the edge? - ANS 10ft
A vessel or arrangement of piping in which vaporized refrigerants is liquefied by the removal of
Heat is? - ANS Condenser
In minor repairs of mechanical Equipment, defective Parts Shall be replaced so that they will? -
ANS preserve the original approval or listing (IMC 301.14)
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? - ANS 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? - ANS 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? - ANS Accessible
For a roof top heating appliance installed at a Height of more than I6ft. Access must be
provided by? - ANS A permanent means of access
Disregarding exceptions, as water Heaters Shall not be installed in? - ANS Bedrooms
Non residential Low-Heat Appliances Have A Maximum Vent
Copyright ©2025 BRIGHTSTARS ALL RIGHTS RESERVED 2
