Explain how an air conditioner with a fixed metering device reacts to changes in indoor temperature
What will be an ideal response?
When the outdoor temperature decreases, less refrigerant will flow through the metering device because of the reduced pressure difference across it.
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Benjamin Franklin is considered to be the father of the traditional or conventional form of fireplace design and construction in the United States.
Answer the following statement true (T) or false (F)
What refrigerant piping technique helps to get oil to flow up a suction-line riser along with vapor?
a. Selecting a line size that results in a very low velocity b. Selecting a line size that is one or two sizes larger than the rest of the line c. Installing a trap at the bottom of the riser d. Installing a liquid-to-suction heat exchanger
When is the best time to check for proper superheat settings and to adjust if necessary?
a. On initial startup of the system. b. After the compressor has cycled off on thermostat. c. After the space temperature has fallen by 5°. d. When the space temperature is within 5° of design temperature.
The footing may be __________ to accommodate a sloping site.
A. Layered B. Stepped C. on compact land D. None of these