Store humidity above ____ will adversely affect open refrigerated case operation.
a. 50% b.60 % c. 70% d. 80%
b.60 %
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While having a discussion, Technician A says that seals are usually replaced during a bearing repack. Technician B says that there is no need to replace them. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Do soils in warmer climates contain less organic matter because organic matter decays more rapidly in
higher temperatures?
Indicate by YES (Y) or NO (N).A meter is set to read DC volts on the 4-volt scale. The meter leads are connected at a 12-volt battery. The display will read ________
A) 0.012V B) OL C) 12V D) 0.00
The presence of noncondensables in a refrigerant recovery cylinder can be detected by:
A) Checking the acidity of the refrigerant with litmus paper. B) Testing to see if the gas on top of the cylinder will burn. C) Comparing the actual cylinder weight to the cylinder water capacity. D) Comparing the cylinder pressure and temperature to a PT chart.