The refrigerants that a particular recovery unit is designed for can be determined by:
A) Trying different refrigerants, measuring the unit amp draw, and comparing it against the nameplate.
B) Recovery machines must work with all refrigerants to be EPA certified.
C) Looking for the ARI/UL certification label.
D) Measuring the pressure and temperature of the refrigerant in the recovery unit and comparing them to a saturated pressure-temperature chart.
C
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If you were interested in creating and developing better varieties of plants, what is a good career for you?
A) Teacher B) Researcher C) Marketing specialist D) Stock broker
Technician A says that you must not use steel hammers to remove a U-joint from a yoke.Technician B says that if you need a hammer, use a brass or copper one to avoid damaging the forward yoke or hardened bearing caps. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
The switch in Fig. 8.117 has been in position 1 for a long time. At t = 0, it is switched to position 2. Use Pspice to find i(t) for 0 < t < 0.2 s.
 FIGURE 1.png)
The amount of side-to-side variation of an object is called ___________ runout.
Fill in the blank(s) with the appropriate word(s).