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:

Efficiency

Refers to the ability to achieve a desired result without wasting materials, time, or energy.

Equality

The circumstance in which all individuals possess identical opportunities, rights, and standing.

Opportunity Cost

The cost of the next best alternative foregone as a result of making a decision.

Tuition

The fee charged by educational institutions for instruction and other services.