A stainless steel coil that is built like a refrigeration coil and allows a high-efficiency unit to move into the 90+ efficiency range is called
A) a recuperative coil. B) a serpentine coil heat recuperater.
C) a hybrid coil recuperater. D) a serpentine coil heat exchanger.
A
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A fire-rated wall is made of ____ material to prevent the spread of a fire from one part of a dwelling to another.
a. hardwood b. plastic c. synthetic d. fireproof
?An example of an elastomeric adhesive is ____.
A. ?caulk B. ?epoxy resin C. ?phenolic resin D. ?Duco®cement
Solid contour lines are used on site plans to show _____.
a. natural grade b. footing elevation c. finish grade d. finish floor elevation
If it were possible to connect a 1-pound disposable refrigerant can to the high side of an A/C system, what would most likely result?
A. contents of the can would immediately be sucked into the system B. refrigerant on high side would be pulled into the can C. can might explode D. high side hoses would explode