Technician A says that bubbles can be seen through the sight glass on an R-134a system even when it is operating normally. Technician B says that many R-134a truck A/C systems are no longer fitted with sight glasses. Who is correct?

a.Technician A only
b.Technician B only
c.Both A and B
d.Neither A nor B


c.Both A and B

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Given this table of plant residue analyses, choose the "highest quality" residue in terms of suitability to support an active community of soil organisms and rapid nutrient cycling

A B C D E C/N ratio 15 15 15 45 45 Polyphenol content,% 0.5 6.0 6.0 0.5 0.5 Lignin content,% 10 40 10 40 10 A) residue A B) residue B C) residue C D) residue D E) residue E

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Define atomization.

What will be an ideal response?

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Contractors with better-than-average loss experience _____.

a. have an EMR of less than 100 percent b. are penalized in their workers' compensation costs c. have an EMR of more than 100 percent d. may set their own EMR

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What do you use to wipe (to clean) the manicure table?

What will be an ideal response?

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