Technical Drawing for Engineering Communication

Engineering

Quiz 10 :

Patterns and Developments

Quiz 10 :

Patterns and Developments

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In parallel line development, at which angle to the base line must the fold lines be projected?
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Multiple Choice
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Answer:

C

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If a transitional piece does not have fold lines, it is developed in the same manner as any other triangulation development.
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True False
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True

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A gage number represents the weight per square foot of a particular material.
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True False
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True

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An automobile fender is an example of a single-curved surface.
True False
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The reason we develop the pattern or template with the inside surface up is because important dimension sizes and fold or bend locations are assumed to occur on the inside surface of the final object.
True False
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What is one of the two major kinds of notches used in a development?
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After labeling all points, the next step in drawing a radial line development is to:
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When creating a simple box, most of the fold lines are perpendicular to the baseline.
True False
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When drawing developments, all surfaces must be true shape and size.
True False
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Which kind of development would be used to develop a pattern?
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Tabs are used to fasten items together.
True False
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Radial line developments do not require a stretchout line.
True False
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A true length diagram is often a quicker method to obtain needed projections than by descriptive geometry methods.
True False
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Two major types of notches are usually used: a sharp U, or a rounded U.
True False
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The less the bend angle, the greater the amount of bend allowance needed.
True False
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When comparing a No. 21 gage piece of steel, brass, and aluminum, all are the same thickness.
True False
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A No. 16 gage piece of aluminum is slightly heavier than a No. 17 piece of aluminum.
True False
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A transitional piece is usually stamped or pressed into a particular shape.
True False
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The gage system of calling out the thickness of a material is being phased out because:
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Bend allowance refers to the practice of calculating the length of material needed by each bend.
True False
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