EGT 2

Auxiliary views are created as easily as principal views.

Which of the following statements concerning computer-generated auxiliary views is true?

If the major diameter is more than 1 on the print, regardless of scale, then show a detailed representation.

Which of the following statements is the true rule of thumb drafters use when selecting the method of representing threads on a print?

True projection.

Which of the following is not a way that you would draw Unified screw threads?

Playing 3D tic-tac-toe

Which of the following is not an example of a spatial visualization instrument?

true

An auxiliary view is projected onto a plane that is strategically placed parallel to an inclined surface, thus creating a view that shows the inclined surface in true size and shape

true

. Left-hand threads will appear differently on a print if drawn in the detailed method, but not the schematic method.

true

. When sectioning an assembly of several parts, it is common to leave the main shaft and the bodies of fasteners uncut by the cutting plane.

true

A basic orthographic projection of an object creates six principal views.

aligned

A cylindrical object with an odd number of features, such as spokes or holes on a bolt circle, could better be described with a(n) ____ section.

true

A revolved section has a cutting plane slicing through a feature, but the section view itself is "rotated" 90° directly on the regular view.

false

A runout is formed when a sharp edge of a prism intersects at an angle with a cylindrical surface.

true

A section view is created by passing an imaginary plane through an object and removing part of the object.

removed

A type of section wherein the section view is probably located out of projection with the other regular or auxiliary views is a(n) ____ section.

.083

American threads are specified by the number of threads per inch. If there are 12 threads per inch, then the pitch is ____.

partial

An auxiliary view that shows only the inclined surface, not the entire object, is referred to as a ____ auxiliary view.

true

An external thread is on the outside surface of a cylinder, while an internal thread is on the inside surface of a hole

true

An inclined surface appears as a foreshortened shape in two of the three regular views.

depth

Any auxiliary view projected from the front view could be called a ____ auxiliary.

false

As with regular views, viewing-plane lines can be used if the view needs to be moved out of projection. In these cases, the auxiliary view can be turned to a normal orientation.

true

For prints created with first-angle projection techniques, the views appear the same, but not in the same arrangement.

As an edge view (line)

If an inclined surface is perpendicular to the frontal plane, how does it appear in the front view?

false

If more than three of the six principal views are used, the fourth and subsequent principal views are referred to as auxiliary views.

true

If not otherwise specified in the thread note, the threads are right hand and single start.

A curved surface is tangent to a flat surface.

In a multiview drawing, a line means one of three things. Select the false meaning.

primary

In drafting education, it is common to identify an auxiliary view projected from a regular view as a ____ auxiliary.

pipe thread

In general terms, if the thread note includes the letters NPTF, this indicates the thread is a ____.

fillets, rounds

Molded and cast objects have rounded edges called ____ and ____.

true

One advantage of computer-generated views is that models can contain intelligent information about features such as threads and holes, so the computer automatically generates some dimensions and notes that match.

true

Orthographic projection is the foundational system behind multiview drawings.

false

Research indicates that while spatial visualization training does not increase the success rate of students in engineering or technology programs, it does improve print reading skills.

true

Schematic and simplified thread representations do not reflect the thread form, pitch, thread direction, or multiple-start status.

false

Section view principles only apply to the six principal views, not to auxiliary views

true

Since an inclined surface will not be shown in true size and shape in one of the principal views, an auxiliary view is often used for this purpose.

false

Since auxiliary views are usually projected at an angle, center lines are placed on the drawing to show the "folding" of the hypothetical projection planes.

false

Straight and taper pipe threads are graphically represented the same as other threads in the detailed method, but not the schematic method.

elements

Technically, a cylindrical surface is composed of thousands of ____ that form a curved surface.

false

The UNR designation of screw threads is for previously unreleased pitches within a company setting.

short break

The broken-out section requires another type of line from the alphabet of lines to help show where the removed portion was broken off in a "jagged" sort of way. This is the ____ line.

false

The crest is the top edge or surface of a thread ridge, while the dip is the bottom between two ridges.

false

The detailed method of representation is more difficult to draw, as it is a true projection of the thread ridges.

false

The lead of a triple thread is 1.5 times the pitch.

. metric

The letter M in a thread note designates a ____ thread.

lead

The term for how far a thread advances when the threaded part is rotated one complete revolution, including multiple threads, is ____.

form

The term that describes the shape of the ridge (or grooves) that form the threads is ____.

full

The type of section view wherein a flat cutting plane passes entirely through an object is a ____ section.

Top.

There are three principal projection planes common to drafting education. Which of the following is not correct?

Hole.

There is a conventional practice that allows the drafter to leave a feature unhatched, even though the cutting-plane line passes through it. Which of the following is not relevant to this conventional practice?

Helix.

What geometric term applies to the path the ridge of a screw thread follows as it traverses the surface of a cylinder?

Oblique.

What name is given to a flat surface that is inclined to all three of the principal projection planes?

Inclined.

What name is given to a flat surface that is perpendicular to one of the three projection planes, but inclined to the other two?