?How aretheR-1234yf recovery/recycling/recharge equipment requirements different from R-134a?
What will be an ideal response?
?The refrigerant equipment for R-1234yf meets the same stringent charging and recover requirements as the R-134a J2788 systems but also includes the mandatory use of a refrigerant identifier prior to recovery of refrigerant.
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Which of the following terms describes an intermediate horizontal member of a window frame?
A) Mullion B) Stile C) Rail D) Jamb E) Muntin
_____ were a mainstay for Native Americans
a. Musk ox b. Mule deer c. White-tailed deer d. Buffalo
In an induced-draft gas furnace, the first component to energize on a call for heat is:
A) The indoor blower. B) The gas valve. C) The induced-draft blower. D) The hot surface igniter.
A thermostatic expansion valve controls refrigerant flow to the evaporator based on ____.
A. rate of liquid vaporization B. evaporator suction line superheat C. external equalizer pressure D. all of the above