An Air Conditioning System Should Be Pumped Down (Evacuated)for a Minimum

question 32

Multiple Choice

An air conditioning system should be pumped down (evacuated) for a minimum of ____ minutes.

• A) 10
• B) 20
• C) 30
• D) 60

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Definitions:

Chemical

A substance with a distinct molecular composition that is produced by or used in a chemical process.

Carcinomas

A type of cancer that begins in the skin or the tissue lining organs, such as the liver or kidneys.

Epithelial Tissues

Layers of cells that line or cover the body surfaces, both internal and external, playing roles in protection, secretion, and absorption.

Bx

A shorthand notation for biopsy, a medical test involving the extraction of sample cells or tissues for examination.