Orthographic Projections Test Quiz
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When an edge is not visible from that view, it is a _____________________ line.
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Visible
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Center
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Hidden
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Border
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How well do you really understand orthographic projections? Can you pass this orthographic projections test quiz with a good score? Orthographic projection is a way of representing three-dimensional things in two dimensions. It is a type of parallel projection in which all the projection lines are orthogonal to the projection plane. It is an important topic in engineering. Test your See moreskills in this topic in this quiz. All the best to you!
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Using the glass box method allows you to unfold the box to create six
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Lines
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Principle views
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Orthographics
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Versions
Correct Answer
A. Principle viewsExplanation
The glass box method is a technique used in engineering and design to create orthographic projections, also known as principle views. By "unfolding" the box, the object is represented from different angles, allowing for a comprehensive understanding of its shape and dimensions. This technique is particularly useful in technical drawing and drafting, as it provides accurate and detailed representations of objects.Rate this question:
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- 3.
In an orthographic drawing, the center view is always the
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Top
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Right
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Left
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Front
Correct Answer
A. FrontExplanation
In an orthographic drawing, the center view is always the front. This is because the front view is the most commonly used view in orthographic projections. It shows the object as it appears from the front, with all the dimensions and details accurately represented. The front view is typically placed in the center of the drawing, with the other views (top, right, and left) arranged around it to provide a comprehensive representation of the object from different angles.Rate this question:
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- 4.
The reason we do not include the left and right side views in orthographic projections is that they are
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The same
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Mirror views
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Ugly
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Of no consequence
Correct Answer
A. Mirror viewsExplanation
The reason we do not include the left and right side views in orthographic projections is that they are mirror views. In orthographic projections, we typically show the top, front, and side views of an object. Including both the left and right side views would be redundant as they would be mirror images of each other. Therefore, it is not necessary to include them in the orthographic projection.Rate this question:
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- 5.
The standard views used in orthographic projections are
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Front, top, right side
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Front, top, left side
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Front, middle, right side
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Bottom, top, right side
Correct Answer
A. Front, top, right sideExplanation
In orthographic projections, the standard views used are the front, top, and right side. These views allow for a comprehensive understanding of the object or structure being represented. The front view provides a clear depiction of the front-facing side, the top view shows the plan or layout from above, and the right side view gives a perspective from the right side. These three views together provide a complete representation of the object in a three-dimensional space, allowing for accurate measurements and analysis.Rate this question:
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- 6.
The remaining 3 views are not used in orthographic projections because they don't add any
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Sides
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Sides
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Measurements
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New information
Correct Answer
A. New informationExplanation
The remaining 3 views are not used in orthographic projections because they don't add any new information. Orthographic projections are a way of representing a three-dimensional object in two dimensions by showing multiple views from different angles. The purpose of these views is to provide a comprehensive understanding of the object's shape and dimensions. However, if the remaining 3 views do not provide any new information or reveal any additional details about the object, they are unnecessary and therefore not used in orthographic projections.Rate this question:
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- 7.
The top and front views are aligned vertically and share the same
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Length
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Height
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View
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Width
Correct Answer
A. WidthExplanation
The top and front views are aligned vertically and share the same width. This means that the width measurement is consistent between both views, indicating that the width of the object remains the same when viewed from the top or front.Rate this question:
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- 8.
The front and side views are aligned horizontally and share the same
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Length
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Height
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View
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Width
Correct Answer
A. HeightExplanation
The front and side views are aligned horizontally and share the same "height". This means that the height measurement is consistent between the two views. The other options, such as length, width, or view, do not necessarily have to be the same between the front and side views. Therefore, "height" is the correct answer.Rate this question:
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- 9.
Where a curved surface meets a plane, no line is drawn. When a curved surface intersects a plane a(n) ____________is drawn.
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Hidden line
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Edge
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Side view
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Arc
Correct Answer
A. EdgeExplanation
When a curved surface meets a plane, a line is not drawn because there is no intersection between the two. However, when a curved surface intersects a plane, an edge is drawn to represent the boundary where the two surfaces meet. This edge helps to define the shape and structure of the object.Rate this question:
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- 10.
How many principle views are created by looking at an object?
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1
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3
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6
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12
Correct Answer
A. 6Explanation
When looking at an object, six principle views are created. These principle views include the front, back, top, bottom, left, and right sides of the object. By examining these six views, one can gain a comprehensive understanding of the object's shape and structure from different angles.Rate this question:
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- 11.
The front view shows the most features and includes the least amount of
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Views
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Lines
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Hidden lines
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Dimensions
Correct Answer
A. Hidden linesExplanation
The front view of an object typically shows the most features because it provides a clear and unobstructed view of the object from the front. This view includes all the visible lines and surfaces of the object, without any hidden lines that may be present in other views. Therefore, the front view includes the least amount of hidden lines compared to other views.Rate this question:
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- 12.
Some lines are more important than others. Importance is indicated by line
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Weight
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Type
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Length
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Thickness
Correct Answer(s)
A. Weight
A. ThicknessExplanation
The importance of a line is indicated by its weight and thickness. These attributes determine the prominence and visibility of the line. A heavier and thicker line stands out more and is considered more important compared to a lighter and thinner line. Therefore, weight and thickness are key factors in determining the importance of lines.Rate this question:
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- 13.
Hidden lines represent edges and boundaries that cannot be seen. They are represented by a
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Straight line
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Curved line
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Dashed line
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Very light line
Correct Answer
A. Dashed lineExplanation
Hidden lines are used in technical drawings to represent edges and boundaries that are not visible in the final object. These lines are typically represented by a dashed line, which helps differentiate them from visible lines. The dashed line indicates that the object or surface is hidden or obscured from view.Rate this question:
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- 14.
If a plane surface is parallel to the plane of projection, the object appears
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Edge view
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True size
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Foreshortened
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Perpendicular
Correct Answer
A. True sizeExplanation
When a plane surface is parallel to the plane of projection, it means that the surface is facing directly towards the viewer. In this case, the object appears in its true size because there is no foreshortening or distortion caused by the angle of the surface. The dimensions of the object will be accurately represented on the projection plane, allowing for an accurate measurement or depiction of the object's size.Rate this question:
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- 15.
If a plane surface is angled to the plane of projection, the object appears
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Edge view
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True size
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Foreshortened
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Perpendicular
Correct Answer
A. ForeshortenedExplanation
When a plane surface is angled to the plane of projection, the object appears foreshortened. This means that the object appears shorter or compressed in the direction perpendicular to the plane of projection. This happens because the angle of the surface causes it to be projected onto the plane of projection at a smaller scale, making it appear smaller in that direction.Rate this question:
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Current Version
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Aug 24, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 19, 2014Quiz Created by
Katsbury
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