Technical Drawing for Engineering Communication

Engineering

Quiz 9 :

Descriptive Geometry

Quiz 9 :

Descriptive Geometry

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A truss is a frame that is usually three-dimensional and made of structural shapes.
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True False
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False

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The point view of a line describes the inclination of a line in relation to the horizon.
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True False
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False

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A fold line is represented by a thin, black line, and must be located in that plane.
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True False
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False

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A fold line is drawn like a hidden line.
True False
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The bearing and grade, or bearing and slope refers to the exact position of a fold line.
True False
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Trusses are usually used in pairs or in multiples.
True False
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In order to find an edge view of a plane, a true-length line must be located in that plane.
True False
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Pitch and bevel are indicated in a similar manner.
True False
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Notations are like footnotes.
True False
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Azimuth bearing indicates the percent at which a line is angled.
True False
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The term cuts and fills refers to earth being excavated for highways.
True False
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Descriptive geometry is used by drafters, designers, and engineers because it graphically shows the solution to problems dealing with points, lines and planes, and their relationship in space.
True False
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Methods of assembling truss joints include welding, riveting, and bolting.
True False
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Notations are important because they are used to keep track of all views and points in space.
True False
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A vector is a directed line segment that in computer graphics is defined by its two end points.
True False
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The first step to determining the visibility of two intersecting lines (which of the two lines is closer) is to project the exact crossover point of the lines to an adjoining view.
True False
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Space diagrams and force diagrams are used in truss analysis to determine the forces in the members of a truss.
True False
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A contour line on a plot or a map is a line at a constant elevation on the surface of the earth, above sea level.
True False
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When projecting a plane into another view, you must first find at least four points in the plane and project each point into the next view.
True False
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The significance of contour lines being close together on a map is steep terrain.
True False
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