Different types of materials, such as steel and cast iron, can be identified by using different patterns of ____ lines.
A) extension
B) phantom
C) break
D) section

Question

Quizplus · Accepted Answer

The different patterns of section lines can be used to identify different types of materials in a technical drawing. Extension lines are used to extend dimensions, phantom lines indicate alternative positions or paths, and break lines indicate a partial discontinuity in a surface. Therefore, section lines are the only suitable option for identifying materials.

Different Types of Materials, Such as Steel and Cast Iron