Environmental Protection Agency (EPA) MVAC Certification 2025 – 400 Free Practice Questions to Pass the Exam

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What is true about the weight of refrigerants compared to air?

Refrigerants are heavier than air

Refrigerants can vary widely in their densities, but generally, many common refrigerants are indeed heavier than air. This is significant because it influences how refrigerants behave in the atmosphere during leaks. Heavier-than-air substances tend to settle in lower areas and can create hazards, especially in enclosed spaces. Understanding the weight of different refrigerants in relation to air is crucial for ensuring safety measures are in place when working with these compounds.

Furthermore, the nature of refrigerants being heavier than air plays a role in how they disperse in the environment, impacting ventilation and the potential for accumulation in areas where working conditions might be compromised. Thus, knowing whether a refrigerant is heavier or lighter than air is fundamental for effective management and safety protocols in HVAC systems.

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Refrigerants are equal in weight to air

Refrigerants are lighter than air

It depends on the type of refrigerant

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