Which of the Following Statements About NC and CNC Systems

question 1

Multiple Choice

Which of the following statements about NC and CNC systems is best?

• A) The NC machines were first developed in the early 1960s in Japan.
• B) NC machines are small tools programmed to produce large batches of simple parts.
• C) CNC systems are newer NC models that are controlled by their own minicomputer.
• D) NC machines are large machine tools best suited to produce large batches of intricate parts.

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Definitions:

Thoracic Duct

The largest lymphatic vessel in the body, which drains lymph from the lower and left side of the body into the venous system.

Cisterna Chyli

A dilated sac at the lower end of the thoracic duct into which lymph from the lower limbs and abdomen drains.

Cardiovascular System

The organ system that circulates blood through the body, consisting of the heart, blood, and blood vessels.

Palatine Tonsils

A pair of soft tissue masses located at the rear of the throat, part of the immune system.