Exam 21: Reading Technical Drawings

____ lines show the same features as object lines except that the corners, edges, and curved surfaces cannot be seen because they are hidden behind the surface of the object.

On a mechanical drawing, which of the following views would be related correctly to each other?

The various line types are collectively known as the ____________________.

The ____ detail(s) the type and grade of material to be used, including base metal, consumables such as filler metal, and hardware such as nuts and bolts.

Why might a set of drawings contain a drawing that is drawn to a larger scale than the other drawings?

How long would a line actually be drawn if an architectural scale of ¼ in. equals 1 in. is used to scale a 4 in. long line?

When we use a(n) ____________________, we are saying that the part being drawn is drawn smaller or larger than it really is.

Discuss orthographic projections and pictorial drawings.

____________________ are thin metal tools that are used in drafting to protect the neighboring line from erasure.

How are architectural and engineering scales divided? Provide examples of common units.

Why do drafting programs use vector lines?

There are two types of ____ lines; both show that part of an object has been removed.

Raster drawings are commonly known as ____________________ drawings because the computer maps the location of every little bit (pixel) of the drawing.

The length dimensions of an object can be found on the ____ views.

____ show the center point of circles, arcs, round, or symmetrical objects.

The w idth dimensions of an object can be found on the ____ views.

The height dimensions of an object can be found on the ____ views.

There are two commonly used scales, but the ____________________ scale is the one that is most often used for mechanical welding drawings.

____ lines represent an imaginary cut through the object.

Computers see vector lines as lines, and they see raster lines as if they were part of a ____________________.