R-12 to R-134a Conversions Are Being Discussed

question 69

Multiple Choice

R-12 to R-134a conversions are being discussed. Technician A says the original receiver/dryer or accumulator should not be replaced. Technician B says permanently install conversion fittings using a thread-locking chemical. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Kitty Genovese

A New York woman whose 1964 murder became famous due to reports of bystander apathy, sparking research on what is now known as the bystander effect.

Civil Inattention

A social behavior where individuals in public spaces acknowledge each other's presence but choose not to engage in deep social interaction.

Environmental Sociologists

Researchers who study the interactions between societies and their natural environments, focusing on issues like pollution, sustainability, and environmental justice.

Human-Made Environment

Environments and settings that have been created or significantly altered by human activity, as opposed to natural environments.