Question

what would you do if you saw metal ductwork from a forced - air heating system for the house passing through a garage?
suggest that it be insulated to the level required in the area
recommend that it be removed
contact the local building authority to determine whether this arrangement is recommended
recommend covering the ductwork with drywall, as this is the only acceptable method to gas - proof
recommend a supply air register to help heat the garage
question 14
1 pts
the most likely cause of a porch roof pulling away from a house wall is
insect damage
settlement, heaving or buckling of columns
rot
undersized wood members in the roof structure
heavy roofing materials, such as slate, used over an unreinforced roof structure

Explanation:

For the first question, metal ductwork in a garage should be insulated to prevent heat loss and other issues, which is a common - sense practice in building systems. For the second question, settlement, heaving or buckling of columns can cause a porch roof to pull away from a house wall as it affects the structural integrity and alignment.

Answer:

For the first question: suggest that it be insulated to the level required in the area
For the second question: settlement, heaving or buckling of columns