All of the Following Statements Are True EXCEPT

question 25

Multiple Choice

All of the following statements are true EXCEPT:

• A) if mineral oil is mistakenly installed in an R-134A system, it will not lubricate the compressor properly and will separate in the accumulator.
• B) moisture causes fewer problems in R-134A systems because it mixes with the PAG oil.
• C) moisture control in R-134A is provided by the desiccant in the receiver/dryer or the evaporator.
• D) commercial refrigeration units use ester oils, which are hygroscopic.

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Definitions:

Treat

To manage or address a problem or disease through interventions such as medication, therapy, or lifestyle changes.

Meta-Analytic Study

A research method that combines the results of several studies to draw conclusions about trends or effects across them.

Effect Size

A common metric used to summarize the meaning of diverse studies in a meta-analysis. It is calculated as the difference between the means of the experimental (that is, the treatment) group and the control group, divided by the standard deviation of either the control group or the pooled sample of both groups.

Data

Information collected for reference or analysis, often used to make decisions or understand phenomena.