SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

Compared with a direct-expansion (DX) evaporator, a flooded evaporator typically:

Feeds only superheated vapor into the coil and has no liquid present Maintains a liquid level so most of the coil surface is wetted, often using a surge drum or low-pressure receiver Cannot be used on industrial ammonia or large halocarbon plants Does not require any level or float control

Correct Answer:

Maintains a liquid level so most of the coil surface is wetted, often using a surge drum or low-pressure receiver

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