What does extension line mean?

What does extension line mean?

Line Conventions, Continued Extension lines Extension lines are thin lines that extend from the object outline or point on the object to a place outside the image area. Extension lines define areas for dimensions. Dimension lines present certain measurements of and between items in a drawing.

What are extension lines in drawings?

Extension lines usually connect dimension lines to different features on parts and images on the page. They are drawn perpendicularly when connecting dimension lines. For example, an extension line will reach beyond a complex object to connect with a dimension line that may give a specific height or distance.

What are extension lines Leader lines and dimension lines?

Extension lines are also thin lines, showing the limits of dimensions. Dimension line arrowheads touch extension lines. Leaders are more thin lines used to point to an area of a drawing requiring a note for explanation. They are preferably drawn at a 45° angles.

What are short break lines?

Short break lines are thick, wavy solid lines that are drawn freehand. When either of these break lines is used to shorten an object, you can assume that the section removed from the part is identical to the portions shown on either side of the break.

What are the 5 basic kinds of lines?

There are 5 main types of lines in art: vertical lines, horizontal lines, diagonal lines, zigzag lines, and curved lines. Other types of lines are simply variations of the five main ones.

What are three basic kinds of lines?

Types of Line

• Horizontal Lines.
• Vertical Lines.
• Parallel Lines.
• Perpendicular Lines.

What are the types of lines and their uses?

Types of lines and their uses

Designating letter Type of line
D Continuous – thin, ruled with zig-zag
Application: Used only on break lines, other than on an axis.
J Chain – thick
Application: This line indicates that surfaces will need to comply with special requirements such as pipelines, drains and services.

What is the definition of a line?

In geometry, a line can be defined as a straight one- dimensional figure that has no thickness and extends endlessly in both directions. It is often described as the shortest distance between any two points. Here, P and Q are points on the line.

What is a line in your own words?

The definition of a line is a mark connecting two points, something stretched between two things, or two or more people standing in a row. An example of a line is a horizontal mark drawn on a piece of paper. An example of a line is caution tape marking off the scene of an accident. An example of a line is fishing wire.

What figure is a line?

A line is a one-dimensional figure that is made up of an infinite number of individual points placed side by side. In geometry all lines are assumed to be straight; if they bend they are called a curve. A line continues infinitely in two directions.

Is a ray 2 dimensional?

Ray: A 2-dimensional figure that has one endpoint and goes without end in one direction. A ray is shown with an endpoint and an arrow at one end. Line: A straight path that goes in two directions without end (forever and ever).

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