All of the Following Statements About Thermostatic Expansion Vales on Retrofitted

question 28

Multiple Choice

All of the following statements about thermostatic expansion vales on retrofitted systems are true,EXCEPT:

• A) The expansion valve does not have to be replaced when retrofitting a system from R-12 to R-134a.
• B) If a defective expansion valve is replaced, always use a model designed for the system refrigerant.
• C) A R-12 expansion valve used in an R-134a system will result in higher superheat and reduced evaporator efficiency.
• D) An R-134a valve used in a R-12 system will have reduced superheat.

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Definitions:

Milgram's Studies

A series of social psychology experiments conducted by Stanley Milgram, which measured the willingness of participants to obey an authority figure who instructed them to perform acts conflicting with their personal conscience.

Obedience To Authority

The psychological mechanism that drives individuals to comply with instructions, orders, or demands from perceived authority figures.

The Holocaust

The systematic, state-sponsored persecution and annihilation of six million Jews by the Nazi regime and its collaborators during World War II.

Kurt Lewin

Known as the father of modern social psychology, he developed theories on group dynamics and organizational development.