Combination cooling and heating units may include electric strip heaters or be of the heat-pump style.
Answer the following statement true (T) or false (F)
True
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When possible, set the shielding gas flow rate on GMA, GTA, and ____ welding processes at the lower end of the flow rate range to reduce the shielding gas cost.
A. FCA B. GFCI C. FOW D. EPA
________: the assumption that all other factors that might affect demand are held constant during the time period.
Fill in the blank(s) with the appropriate word(s).
The location of the node a message is intended for is determined by a unique address it possesses.
Answer the following statement true (T) or false (F)
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