Technician a Says an A/C System Using CO₂ [Carbon Dioxide]

question 67

Multiple Choice

Technician A says an A/C system using CO₂ [carbon dioxide] for a refrigerant will not contribute to global warming and is environmentally friendly. Technician B says CO₂ refrigerant does not need to be recovered and recycled. Who is correct?

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

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Definitions:

Civil Rights Movement

A decades-long struggle by African Americans and their allies in the mid-20th century to end legalized racial discrimination, disenfranchisement, and racial segregation in the United States.

Ngo Dinh Diem

The first president of South Vietnam (1955–1963), whose leadership was marked by the controversial policies against Communists and Buddhists, eventually leading to his assassination during the Vietnam War.

Communist

Refers to a political and economic ideology that aims at establishing a classless society where the means of production are owned communally and wealth is distributed according to need.

Military Coup

The sudden overthrow of a government by a part of the military, often displacing the existing authority in favor of another leader or governmental structure.