How do mixing valves save energy?
A) By mixing costly boiler water with inexpensive domestic hot water
B) By maintaining a hot loop regardless of outdoor temperature
C) By delivering only enough heat to the loop to meet the load
D) By reusing loop water for domestic hot water
C
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A(n) ____________________ is an insect or rodent that may carry human diseases. They may be
attracted to fields treated with biosolids.
Fill in the blank(s) with the appropriate word(s).
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Answer the following statement true (T) or false (F)
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