Dimension, Perspective and Projection
Lead Author(s): Saylor Academy
Source: Saylor
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This question pack asks students to apply their knowledge of computer aided design in relation to dimension, perspective and projection.
This content is licensed under the Creative Commons Attribution 3.0 Unported License.
Orthographic projections in Asia and many parts of the world EXCEPT the United States are generally placed in which quadrant?
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
Orthographic projections in the United States are generally placed in which quadrant?
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
Preliminary design involves all of the following EXCEPT:
Combining ideas
Refining sketches
Testing
Developing simple computer models
Section lines are drawn at how many degrees?
30 degrees
45 degrees
60 degrees
90 degrees
Section lines are NOT used for which of the following?
Thin parts
Thick parts
Cylindrical parts
Adjacent parts
Section views are used to do which of the following?
Reveal internal details
Reveal external details
Show hidden lines
Show visible lines
Stamped parts are generally shown using how many principle views?
One
Two
Three
None of the above
The cross‑section of a feature stays normal to the path in which solid modeling process?
Extrusion
Sweeping
Revolving
Blending
The general section line represents which of the following?
Iron
Aluminum
Copper
Zinc
Third angle projections are associated with what types of units?
English units
International System of Units (SI)
Both A and B
None of the above
What aspect of an engineering design does the designer typically model?
Function
Structure
Both A and B
None of the above
Which of the following dimensions is used for heights, widths, and diameters?
Size dimensions
Location dimensions
Mating dimensions
None of the above
Which of the following dimensions is used for parts that fit together?
Size dimensions
Location dimensions
Mating dimensions
None of the above
Which of the following dimensions is used for placing features of components relative to each other?
Size dimensions
Location dimensions
Mating dimensions
None of the above
Which of the following is generally the central view used in CAD?
Front view
Top view
Right view
Left view
Which of the following is NOT a pictorial projection?
Perspective projection
Isometric projection
Auxiliary projection
Oblique projection
Which of the following is omitted in section views?
Visible lines
Hidden lines
Center lines
Phantom Lines
Which of the following projections is also known as Cabinet projection?
Perspective projections
Isometric projections
Oblique projections
None of the above
Which of the following projections uses the concept of vanishing point?
Perspective projections
Isometric projections
Auxiliary projections
Oblique projections
Which of the following projections uses the concept receding lines drawn at 30 degrees?
Perspective projections
Isometric projections
Auxiliary projections
Oblique projections
Which of the following represents a dimension of .200 plus and minus .004?
Limit dimension
Unilateral tolerance
Bilateral tolerance
None of the above
Which of the following represents a dimension of .200 plus .002 and minus 0?
Limit dimension
Unilateral tolerance
Bilateral tolerance
Transition dimension
Which of the following views is used to give a better impression of 3D objects?
Orthographic projections
Pictorial views
Auxiliary views
None of the above
Which type of axonometric pictorials has no equal angles?
Trimetric
Diametric
Isometric
Cabinet
Which type of axonometric pictorials has three equal angles?
Trimetric
Diametric
Isometric
Cabinet
Which type of axonometric pictorials has two equal angles?
Trimetric
Diametric
Isometric
Cabinet
with which of the following?
Product design
Product development
Product manufacture
All of the above
In mechanical engineering, design is the process of bringing together which of the following?
Engineering principles
Material resources
Creativity
All of the above
CAD offers which of the following methods to represent edges and surfaces in x, y, and z axes?
2D
3D
Solid modeling
All the above
CAD offers which of the following methods to represent solid geometry, fully defined three dimensional solid shapes, with free‑form curved faces, and material and mass properties?
2D
3D
Solid modeling
All the above
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