Sheet Metal Worker Journeyman Exam
Questions and Correct Answers (Verified
Answers)|| GRADED A+|| LATEST UPDATE
2026
Horizontal 1 1/4" copper tubing shall be supported at what MAXIMUM distances? -
CORRECTANSWER 6 ft
The return air duct to a blower type warm air furnace is being replaced, how many sq.
inches of free air are required per 1,000 BTUH of rated capacity of the furnace? -
CORRECTANSWER 2"
What device is installed to prevent a back draft occurring in an appliance? -
CORRECTANSWER Draft Hood
GIVEN: A machinery room ventilation system is to be installed. It terminates on the roof.
An outside grille is serving an air conditioning system in the penthouse. What is the
MINIMUM clearance between the discharge outlet for the vent system and the intake for
the air conditioning system? -CORRECTANSWER 20'
A chimney for residential type or low-heat appliances shall exceed at least __________
feet above the highest point where it passes through a roof of a building. -
CORRECTANSWER 3
, A pair of strap hangers at 2.2m spacing for a 1000 x 1000 mm duct should be
__________ . -CORRECTANSWER 25.4 x 1.31
A chimney for a low-heat appliance must withstand a continuous flue gas temperature
not exceeding __________ F°. -CORRECTANSWER 1000
A chimney for a medium-heat appliance shall extend at least __________ feet higher
than any portion of any building within __________ feet. -CORRECTANSWER 10, 25
The termination point for a duct intended to exhaust flammable vapors shall be located
a minimum of __________ feet from any property line. -CORRECTANSWER 30
At least __________feet of clearance shall be available between the access opening
and the edge of the roof. -CORRECTANSWER 6
Outdoor air openings shall be permitted to be located less than 10 feet horizontally from
a street, alley, parking lot or loading dock, providing the openings are located not less
than __________ feet vertically above such locations. -CORRECTANSWER 25
Flat oval duct construction shall be capable of withstanding a pressure __________%
greater than that of the assigned pressure class without structural failure or permanent
deformation. -CORRECTANSWER 50
Questions and Correct Answers (Verified
Answers)|| GRADED A+|| LATEST UPDATE
2026
Horizontal 1 1/4" copper tubing shall be supported at what MAXIMUM distances? -
CORRECTANSWER 6 ft
The return air duct to a blower type warm air furnace is being replaced, how many sq.
inches of free air are required per 1,000 BTUH of rated capacity of the furnace? -
CORRECTANSWER 2"
What device is installed to prevent a back draft occurring in an appliance? -
CORRECTANSWER Draft Hood
GIVEN: A machinery room ventilation system is to be installed. It terminates on the roof.
An outside grille is serving an air conditioning system in the penthouse. What is the
MINIMUM clearance between the discharge outlet for the vent system and the intake for
the air conditioning system? -CORRECTANSWER 20'
A chimney for residential type or low-heat appliances shall exceed at least __________
feet above the highest point where it passes through a roof of a building. -
CORRECTANSWER 3
, A pair of strap hangers at 2.2m spacing for a 1000 x 1000 mm duct should be
__________ . -CORRECTANSWER 25.4 x 1.31
A chimney for a low-heat appliance must withstand a continuous flue gas temperature
not exceeding __________ F°. -CORRECTANSWER 1000
A chimney for a medium-heat appliance shall extend at least __________ feet higher
than any portion of any building within __________ feet. -CORRECTANSWER 10, 25
The termination point for a duct intended to exhaust flammable vapors shall be located
a minimum of __________ feet from any property line. -CORRECTANSWER 30
At least __________feet of clearance shall be available between the access opening
and the edge of the roof. -CORRECTANSWER 6
Outdoor air openings shall be permitted to be located less than 10 feet horizontally from
a street, alley, parking lot or loading dock, providing the openings are located not less
than __________ feet vertically above such locations. -CORRECTANSWER 25
Flat oval duct construction shall be capable of withstanding a pressure __________%
greater than that of the assigned pressure class without structural failure or permanent
deformation. -CORRECTANSWER 50
