New Jersey Third Grade Refrigeration Engineer (2-C Blue Seal) License Practice Exam 2025 – Your All-in-One Guide to Mastering the License Test!

Question: 1 / 400

What function does an evaporator perform in a refrigeration system?

A. Converts low pressure liquid to high pressure gas

B. Absorbs heat from the system

In a refrigeration system, the evaporator plays a crucial role in the heat absorption process. Its primary function is to absorb heat from the environment (such as a refrigerated space) into the refrigerant, which allows the refrigerant to change state from a low-pressure liquid to a low-pressure gas. As the refrigerant absorbs heat, it effectively removes warmth from the area being cooled, thereby achieving the refrigeration effect. This process lowers the temperature in the space while the refrigerant circulates through the system.

The ability of the evaporator to absorb heat is essential for the overall functioning of a refrigeration system, as it initiates the cycle that leads to cooling. Without this heat absorption, the system would not be able to remove heat from the desired space effectively, resulting in a failure to maintain appropriate temperature levels.

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C. Condenses high pressure gas to liquid

D. Converts high pressure gas to low pressure liquid

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