In Addition to AWS Weld Symbols, a Set of Weld

question 6

Multiple Choice

In addition to AWS weld symbols, a set of weld symbols has been developed for international use, identified as "____."

• A) International Symbols for Standard Welding
• B) International Standard Symbols for Welding
• C) International Symbols for Welding
• D) International Standards for Welding

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Definitions:

External Respiration

The exchange of gases (oxygen and carbon dioxide) between the atmosphere and the blood through the lung alveoli.

Pulmonary Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, mainly by bringing in oxygen and flushing out carbon dioxide.

Internal Respiration

The exchange of gases (oxygen and carbon dioxide) between the blood and the body cells, facilitating cellular metabolism.

Abdominal Muscles

A group of muscles in the abdomen involved in the movement of the trunk, assistance in breathing, and support of the spine, including the rectus abdominis, obliques, and transversus abdominis.