FDNY CoF – Supervision of Fire Alarm Systems (Q-01) Practice Test

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What does the term solubility refer to in relation to refrigerants?

The ability to change pressure states

The ability of a refrigerant to evaporate

The ability of a refrigerant to mix with other substances

The term solubility in relation to refrigerants specifically refers to the ability of a refrigerant to mix with other substances, such as oils or other fluids. This is a critical factor in refrigeration systems because refrigerants often need to interact with lubricants to ensure the proper functioning of the compressor and other components. If a refrigerant is not sufficiently soluble with the lubricating oils, it can lead to inadequate lubrication, which may result in increased wear, overheating, or system failure. Therefore, understanding a refrigerant’s solubility aids in selecting the right refrigerant for a specific application and ensures system reliability and efficiency.

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The ability to absorb heat

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