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HVAC
HVAC Red Seal Certification
Ventilation & Air Distribution
Knowledge Check
Ventilation & Air Distribution
Knowledge Check
Knowledge Check
1 / 10
Clearance between a supply duct and combustible material is required to be which of the following where the plenum clearance of a house furnace is less than 75 mm?
A
Not less than 25 mm within 450 mm of the plenum
B
Not less than 12 mm regardless of the distance from the plenum
C
More than the required plenum clearance within 450 mm of the plenum
D
Equal to the required plenum clearance within 450 mm of the plenum
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