The heat sink for a water source heat pump is
A) the air inside the house B) the air outside the house
C) the water in the water loop D) electric strip heat
A
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The weight of the components not supported by the springs is known as [?] weight
What will be an ideal response?
If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the openings measure?
A) 4 inches squared B) 2 inches squared C) 1 inch squared D) 3 inches squared
Retroreflective sensors can detect translucent objects if the emitter/detector module is placed at a skewed angle to its flat surface.
Answer the following statement true (T) or false (F)
The best solution to air-duct leakage problems is _____.
a. manually sealing all leaks with duct tape b. keeping a nitrogen purge on the duct system c. properly sealing all ducts during installation d. adding insulation throughout the duct system