_____ were first imported to the U.S. in the late 1800s.
Fill in the blank(s) with the appropriate word(s).
Llamas
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Technician A says that a compressor receives low pressure liquid refrigerant and discharges high pressure gas. Technician B says that an orifice tube or TXV separates the high pressure and low pressure sections of an A/C circuit. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
What is an advantage of the glass stem thermometer?
What will be an ideal response?
Which of the following metering devices responds to changes in the superheat of the refrigerant vapor
leaving the evaporator? a. Low-side float valve b. High-side float valve c. Automatic expansion valve d. Thermostatic expansion valve
Calculate the heat transfer rate through a 1.1 m^2 window with U = 4.5 (W/m^2?? ). The indoor and outdoor temperatures are 20? and -12?, respectively.
What will be an ideal response?