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HVAC Journeyman Questions and
Correct Answers/ Latest Update /
Already Graded
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?
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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
HVAC Journeyman Questions and
Correct Answers/ Latest Update /
Already Graded
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?
, 2 | Page
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
