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9 Cards in this Set
- Front
- Back
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What types of lines are used on aircraft drawings to indicate hidden views alternate positions and centerline's? |
A Hidden View line is a medium with line made up of short dashes, alternate position lines are medium with lines composed of one long and two short evenly spaced dashes. Centerline's are composed of alternate long and short dashes |
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Define tolerance as used on aircraft drawings |
The difference between the plus and minus allowance figures when a dimension shows in allowable variation |
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Define clearance as used in aircraft drawings |
Clearance is a dimension given for space between moving parts |
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What information is given in the title block of a blueprint? |
The drawing number, the name of the part or assembly, the scale, the date, the name of the firm, the name of the draftsman, the Checker and approving official |
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Why are dimensions used and how are they shown on the aircraft drawings? |
Dimensions are solid yellow lines broken at midpoint for the insertion of measurements. They're used to indicate the size of an object. |
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How can I change to an aircraft drawing be identified? |
By its revision letter. Revision letters are usually listed in a table next to the title block or at one corner of the drawing |
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What is a bill of material associated with aircraft blueprints? |
It is a list of materials in Parts necessary for fabrication or assembly of a component or system |
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Why are symbols used when drawing aircraft blueprints |
Symbols are type of shorthand used for drawing. They show characteristics of a component with minimal amount of drawing |
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How many views are required to determine the shape of an object? |
3 views. Two views will not always determine the shape of an object. If three views are given all three must be reviewed |
