Which of the following is the correct order of the flow in the heating cycle of an air-source heat pump?
A) Reversing valve, indoor coil, outdoor coil, outdoor TEV, compressor
B) Compressor, reversing valve, outdoor coil, indoor TEV, indoor coil, reversing valve
C) Compressor, reversing valve, indoor coil, outdoor TEV, outdoor coil, reversing valve
D) Indoor TEV, indoor coil, reversing valve, compressor, reversing valve, outdoor coil
C
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Calculate, in inches, the length of 1/8” plate needed to bend a 90-degree angle with I/S leg measurements of a = 3.75” and b = 6.15”. Round to the nearest hundredth.
What will be an ideal response?
Plates in the flat position are usually ____ unless they can be repositioned or are required to be welded on both sides.
A. not grooved B. grooved on both sides C. grooved on only one side D. grooved with a single bevel
Tower capacity can be controlled by ________________
A. increasing or decreasing tower fan speed B. using three speed fan motors C. varying tower water volume by controlling pump speed D. all of the above
The two types of load calculations outlined in Manual J8 are:
A) Residential load procedure and commercial load procedure. B) Square footage factor procedure and air change factor procedure. C) Peak load procedure and average load procedure. D) Daily load procedure and seasonal load procedure.