Quick Answer: What Does A Phantom Line Look Like?

What is the purpose of hidden lines and center lines?

Hidden lines show edges of details that are not visible from the point of view shown in the drawing.

Center lines define the center of arcs, circles, or symmetrical parts..

What four lines are used to aid in dimensioning?

There are four methods: parallel, running, chain, and combined dimensioning. Some methods of dimensioning a drawing can create an accumulating error.

What are the types of lines in AutoCAD?

About LinetypesThe Continuous linetype displays objects with a solid, unbroken pattern.The ByLayer linetype displays objects with the linetype assigned to the current layer.An explicitly set linetype, for example DASHDOT, displays objects with that linetype regardless of the current layer.More items…

Are the front and right side views aligned vertically or horizontally?

The top and front views are aligned vertically and share the same width dimension. The front and right side views are aligned horizontally and share the same height dimension.

What are the 4 types of lines?

In Geometry, there are basically four types of lines….They are:Horizontal Lines.Vertical Lines.Parallel Lines.Perpendicular Lines.

What are alphabet lines?

The Alphabet of Lines is a list of line symbols that engineers use in technical drawings to communicate specific shapes, sizes or surfaces. In the Alphabet of Lines, thick, dark lines represent the outline of an object, showing its visible surfaces and edges.

What is a phantom line?

Phantom lines are long-short-short-long lines most often used to show the travel or movement of an object or a part in alternate positions. It can also be used to show adjacent objects or features.

What does a hidden line look like?

If an edge or surface is blocked from view by another feature, it is drawn using a hidden line. Figures 4-11 and 4-12 show objects that require hidden lines in their orthographic views. … The hidden portion of the line is drawn using a hidden-line pattern, and the visible portion of the line is drawn using a solid line.

What are the two types of lines?

How many types of lines are there? There are two basic lines in Geometry: straight and curved. Straight lines are further classifies into horizontal and vertical. Other types of lines are parallel lines, intersecting lines and perpendicular lines.

What are the lines used in drawing?

2.4 Types of Lines Used on a Drawing1 Object Lines and Hidden Lines. The outline of the object is a solid black line called an object lineA solid black line that defines the outline of an object.. … 2 Center Lines. … 3 Extension Lines. … 4 Dimension Lines. … 5 Cutting Plane Lines. … 6 Section Lines. … 7 Leader Lines.

What is a phantom line in Autocad?

Phantom lines: Phantom lines are used to indicate imaginary features. For example, they are used to indicate the alternate positions of moving parts, and adjacent positions of related parts. The line type is long dash – short dash – short dash and the line weight is usually thin (0.3 mm).

What are hidden lines in drawing?

Hidden lines in a drawing represent the edges where surfaces meet but are not directly visible. Hidden lines are omitted from pictorial drawings unless they are needed to make the drawing clear.

What are the 8 rules of dimensioning?

Terms in this set (8)Rule 1: Dimensions should not be duplicated, nor should the same info be given in two different ways.Rule 2: Dimensions should be attached to the view that best shows the contour of the feature being dimensioned.Rule 3: … Rule 4: … Rule 5: … Rule 6: … Rule 7: … Rule 8:

What are the five basic types 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.

How many types of lines are there in AutoCAD?

Introduction to Thick Lines in AutoCAD. The AutoCAD software package comes with a library of standard linetypes that has 38 different standard linetypes. Linetypes can be a pattern of dashes, dots, text, and symbols or unbroken and continuous.

What are the 7 types of lines?

There are many types of lines: thick, thin, horizontal, vertical, zigzag, diagonal, curly, curved, spiral, etc. and are often very expressive.

What type of lines are used for hidden details?

Hidden line Hidden details are shown by a series of dashes making up a broken line. It is normal practice that you place a dash at the beginning of the hidden line and another at the end where it meets an intersecting line.

What are dimension lines used for?

The dimension line is a fine, dark, solid line with arrowheads on each end. It indicates direction and extent of a dimension. In machine sketches and drawings, in which fractions and decimals are used for dimensions, the dimension line is usually broken near the middle to provide open space for the dimension numerals.