Filter driers remove:

Prepare for the New York City Refrigeration License Exam I. Utilize flashcards, multiple-choice questions, and detailed explanations to boost your readiness. Ace your licensing exam!

Multiple Choice

Filter driers remove:

Explanation:
A filter drier is there to protect the refrigeration system by removing moisture and solid contaminants from the refrigerant as it circulates. Moisture in the refrigerant can react with refrigerant and oil to form acids that corrode components and degrade lubrication, and it can freeze in expansion devices, causing blockages. Solid particles like rust or debris can clog valves, screens, or capillary tubes and create wear or failure. The desiccant in the drier absorbs water, while the filtration media trap solids, so the device’s primary role is moisture and particle removal. It isn’t intended to remove refrigerant or heat, and oil filtration is handled by other components rather than the drier.

A filter drier is there to protect the refrigeration system by removing moisture and solid contaminants from the refrigerant as it circulates. Moisture in the refrigerant can react with refrigerant and oil to form acids that corrode components and degrade lubrication, and it can freeze in expansion devices, causing blockages. Solid particles like rust or debris can clog valves, screens, or capillary tubes and create wear or failure. The desiccant in the drier absorbs water, while the filtration media trap solids, so the device’s primary role is moisture and particle removal. It isn’t intended to remove refrigerant or heat, and oil filtration is handled by other components rather than the drier.

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