An R-134a Expansion Valve System That Is Properly Charged Has

question 49

Multiple Choice

An R-134a expansion valve system that is properly charged has the following gauge readings,high-side 320 psig and low-side 50 psig and the ambient air temperature is 80°F.Which of the following is the most likely cause? Technician A says an air flow restriction through the condenser coud be the cause.Technician B says the refrigerant system coud be overcharged.Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Illumination

The provision of light, making something visible or brightened, or the process of clarifying and making something understood.

Productivity

The measure of how efficiently resources are used to produce goods and services.

Social Needs

Human requirements for belonging, affection, acceptance, and friendship – part of Maslow's hierarchy of needs.

Mayo's Research

Refers to the studies conducted by Elton Mayo, particularly the Hawthorne Experiments, which emphasized the importance of social relations in the workplace.