The Following Is a Function of an Expansion Device:  ____

question 28

Multiple Choice

The following is a function of an expansion device:  ____.

• A) produce a reduction in the pressure on the liquid refrigerant
• B) regulate the flow of refrigerant into the evaporator
• C) lower the boiling point of the refrigerant far enough below the temperature of the load to get the needed heat transfer rate
• D) All of the above.

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Definitions:

Thrombocyte

Another term for platelet, a cell fragment in the blood essential for clotting and wound repair.

Erythrocyte

A red blood cell that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Granulocyte

A type of white blood cell characterized by the presence of granules in its cytoplasm, which are visible under a microscope; it plays a major role in the body's defense against infection.

Agranulocyte

A type of white blood cell that lacks granules in its cytoplasm, such as lymphocytes and monocytes, playing essential roles in the immune system.