Explain the difference between refrigerant recovery, reclaiming, and recycling.
What will be an ideal response?
To recover refrigerant is to remove it, in any condition, and store it in an external container without processing it further. To reclaim refrigerant is to remove it from a system and reprocess it to new product specifications in a lab. To recycle is to remove refrigerant from a system and reduce contaminants before reusing it on site.
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Assume an insulated vessel has a circumference of 62' (18.9 m) and a tan-tan height of 33'– 9" (10.3 m). There will be 8 sections per course with 3" (8 cm) overlaps at the seams. Estimate the total number of 48" (1.22 m) roll jacket sections needed to cover the sidewall.
a. 32 b. 48 c. 72 d. 96
The ____ contains a high-voltage generator that supplies current through the series resistors and the unknown resistance (R) to the two-coil assembly that operates the pointer.
a. megohmmeter b. macrohmmeter c. millohmmeter d. kilohmmeter
List the nine troubleshooting models discussed in this chapter.
Fill in the blank(s) with the appropriate word(s).
When disassembling a turbine meter, use a recommended ________ to wash the rotor and support assembly
A) solvent or alcohol B) soaking time C) pressure washer D) soap or detergent