Mechanical Drawing Board and CAD Techniques ©2010

Chapter 14: Pattern Development

Practice Tests

1
The formula for finding the area of a circle is
A)πr2.
B)πd.
C)πr2d.
D)2 πr.
E)3.1416 d.
2
After zooming in on a portion of a drawing, enter the ____ command and D for the Dynamic option to cause the entire drawing to reappear.
A)ZVIEW
B)PLOT
C)DZOOM
D)ZOOM
E)MAGNIFY
3
Thin sheet metal can be formed into objects without seams by
A)forging.
B)casting.
C)machining.
D)triangulation.
E)die stamping.
4
A line intersects a plane at the piercing point, also called the
A)location point.
B)point of intersection.
C)transition point.
D)punch point.
E)line of intersection.
5
The formula for finding the volume of a right circular cylinder is
A)πr2 v.
B)πd h.
C)πr h.
D)πd2.
E)πr2 h.
6
In pattern development, ____ is the method most frequently used for making approximate developments of surfaces that cannot be developed exactly.
A)triangulation
B)parallel-line development
C)radial-line development
D)approximation
E)triangular-line development
7
In pattern development, a square elbow consists of two
A)right circular cones.
B)radial-line developments.
C)truncated cylinders.
D)pyramids.
E)points of intersection.
8
The line that shows the full length of a pattern when it is completely unfolded is the ____ line.
A)starting
B)layout
C)projection
D)stretchout
E)base
9
The formula for finding the circumference of a circle is
A)πd.
B)πr2.
C)πd2.
D)πr2d.
E)πr3.
10
Folding an edge on sheet material to stiffen it is
A)wiring.
B)hemming.
C)seaming.
D)creasing.
E)lapping.
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