In an indirect-fired water heater, _______ or _________ is passed through a _______ or _______ that is in turn directly connected to the potable water source.
Fill in the blank(s) with the appropriate word(s).
hot water, steam, containment tank, coil
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Cells like those that make up skin or hair complete their ____________________ cycle more rapidly than other body cells
Fill in the blank(s) with correct word
During the summer months the range of a Nissan Leaf is less that in the winter. What could be the problem?
A) Hot air is thicker than cold air, causing drag B) High temperatures increase the resistance of the charging cable C) The hot road surfaces create more drag on the special tires D) This is a normal condition
Two common types of metal roofing systems are the lap-seam roof and the _____
a. seamless roof b. standing-seam roof c. laminated sheet roof d. interlocked seam roof
What refrigerants can be detected with a halide torch?
A) HCFCs B) Hydrocarbon refrigerants C) CFCs D) CFCs and HCFCs