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6 Cards in this Set
- Front
- Back
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What type lines are used on aircraft drawings to indicate hidden views, center lines, and alternate position lines. |
Hidden view line is a medium width line made up of short dashes. Represents edge that can't be seen when looking at the part from a specific location. Center line are thin lines composed of alternating long and short dashes and indicate the center of an object or center of a void. Alternate position lines are medium width lines composed of one long and two short evenly spaced dashes and show the alternate position of a part or the relative position of a missing part. |
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Why are dimensions used, and how are they shown on the aircraft drawings? |
Indicate size of an object. Solid narrow lines broken at mid point for the insertion of measurements. |
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How can a change to an aircraft drawing be identified? |
Revision letter listed in a table next to the title block or in the corner of the drawing |
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What is the bill of materials associated with aircraft blueprint. |
List of materials and parts necessary for fabrication or assembly of a component or system. |
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Why are symbols used when drawing aircraft blueprints? |
Type of shorthand used in drawings. They express the characteristics of a component with a minimum amount of drawing or writing. |
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How many views are required to determine the shape of an object? |
3 - front, top, and right side. |
