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Aircraft Drawing Typ
Study set for Chapter 6: Aircraft drawing types, lines, projections, dimensions,
| Question | Answer |
|---|---|
| Drawings used for fabrication or assembly are called ____ or ____ drawings. | Working or assembly drawings |
| Production drawings are categorized as ____ , ____ , or ____. | Detail, assembly, installation |
| A drawing that gives all specifications to make a part. | Detail drawing |
| A drawing that shows how parts fit together. | Assembly drawing |
| Drawing similar to a photo and shows parts how they appear. | Pictorial drawing |
| Drawing showing how a part is installed in an aircraft. | Installation drawing |
| Diagram used to simplify complex circuits. | Schematic diagram |
| Diagram showing function/location of components without physical location. | Block diagram |
| Diagram showing all wires and connections. | Wiring diagram |
| Simple diagrams used in electronic systems. | Logic diagrams |
| In perspective drawing, parallel lines appear as ____. | Vanishing lines (foreshortening) |
| View similar to perspective but uses parallel lines and is true to scale. | Isometric view |
| Picture: | |
| ______ | |
| / /| | |
| /_____/ | | |
| | | / | |
| |_____|/ | |
| Projection showing equal distances on subject as equal distances on drawing. | Oblique projection |
| Picture: | |
| Front face true size: | |
| ______ | |
| | | | |
| |______| | |
| Depth at 45°: | |
| ______ | |
| / / | |
| |____/ | |
| In isometric projection, verticals are ____ and horizontals are ____°. | Vertical, 30° |
| Three most common orthographic views. | Top, front, right side |
| Picture: | |
| Front: | |
| +-----+ | |
| | | | |
| +-----+ | |
| Top: | |
| +-----+ | |
| |_____| | |
| Side: | |
| +---+ | |
| | | | |
| +---+ | |
| Three line widths used in drawings. | Light, medium, wide |
| Visible outline line type. | Heavy/medium solid line |
| Hidden outline line type. | Medium dashed (- - - -) |
| Center line type. | Long-short-long (— · —) |
| Line showing alternate positions of a part. | Phantom line |
| Picture: | |
| — · · — · · — | |
| Dimension line type. | Thin line with arrows |
| Picture: | |
| <----- 2.50 -----> | |
| Heavy wide broken line with long and short dashes. | Break line |
| Picture: | |
| ——— - ——— - ——— | |
| Lines used when a surface is cut away. | Section lines |
| Picture: | |
| /////// (hatching) | |
| Curved surface shown in other views appears as ____. | Hidden line |
| View created by cutting away part of object. | Section view |
| Picture: | |
| Cut surface shown with ////// | |
| +--------+ | |
| |/////// | | |
| |/////// | | |
| +--------+ | |
| View showing only part of object but enlarged. | Detail view |
| What is required on every drawing used to fabricate or repair? | Dimensions |
| Dimensions used to locate holes for drilling. | Center dimensions |
| Picture: | |
| Edge → 2.00 → ● (hole center) | |
| Dimensions used when cutting stock to size. | Tolerance dimensions |
| Picture: | |
| 2.00 ± .03 | |
| (Allowed range 1.97–2.03) | |
| Dimensions common to two views placed ____. | Between the views |
| Holes are located by dimensioning to the ____. | Center |
| A hole is dimensioned by the ____ of the drill used. | Diameter |
| Curved surfaces are dimensioned as a ____. | Radius |
| Dimensions showing nominal size are called ____. | Basic dimensions |
| Basic dimensions have ____ and ____ sizes. | Minimum and maximum |
| Total permissible variation in a size. | Tolerance |
| Difference between maximum material limits. | Allowance |
| Large numbers in lower-right of title block. | Drawing number |
| Each aerospace part has a ____. | Part number |
| Opposite mirror-image parts are labeled as ____. | Opposite-hand (LH/RH) |
| System that helps locate fuselage frames. | Zone numbering system |
| Incomplete info in title block is placed as a ____. | Note |
| Visible sign used instead of words. | Symbol |
| Symbol for ____ is often used to refer to all metals. | Steel |