What should be done if a furnace with a tripped primary control has oil is in the combustion chamber?
A) Burn off the excess oil using a propane torch before firing the furnace.
B) Clean out the oil before firing the furnace.
C) Disconnect the vent connector before firing the furnace to avoid soot accumulation in the vent.
D) Push the reset button and let the fire burn off the excess oil.
Question 2
Air conditioning high-rise office buildings B) industrial
C) residential
What will be an ideal response?