What should be done if a furnace with a tripped primary control has oil in the combustion chamber?
A) Disconnect the vent connector before firing the furnace to avoid soot accumulation in the vent
B) Push the reset button and let the fire burn off the excess oil
C) The oil must be cleaned out before firing the furnace
D) Burn off the excess oil using a propane torch before firing the furnace
C
You might also like to view...
To safely prevent a closed valve from being opened, the lockout device is usually a(n) _____.
a. U-bolt b. chain and lock c. cable and clamp d. combination padlock
Fixed-sum contracts, sometimes called lump-sum contracts, are used most often.
Answer the following statement true (T) or false (F)
To determine the proper measurements for a floor, always refer to the _____.
a. building specifications b. building code c. architect's notes d. scale on the construction drawings
Line voltage thermostats can usually switch:
A) 120 A. B) 2 A or less. C) 15 A. D) 240 A.