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O&P General drawings
dis for general
| Question | Answer |
|---|---|
| What are the three different types of working drawings? | detail drawings, assembly drawings, and installation drawings |
| What is a detail drawing? | description of a single part |
| What is a Assembly Drawing? | A description of an object made up of two or more parts and shows how it fits together |
| What is a Installation Drawing? | shows how the parts fit onto the aircraft and explains how to install the parts |
| What are the four Sectional Drawings? | Revolved section, Removed section, Full section, and Half section |
| What is a wire diagram? | show the electrical wiring and circuitry of all the electrical appliances and devices used on aircraft |
| What is a Schematic diagram? | Shows how a system works and how the components relate to each other ( primarily used to troubleshoot a malfunction) |
| What is a pictorial drawing? | It describes the function of a system using pictures of the items |
| What is a orthographic projection drawing? | a two-dimensional drawing of a part or repair |
| What are the most common Views for orthographic projection drawing? | One-view, two-view, and three-view drawings are most commonly used |
| What is a isometric drawing? | a 3D view of a part (3 sides visible) |
| What are the 6 main lines used in drawings? | Visible line, Hidden line, and Center line (main 3) Extension line, Dimension line, and Section line |
| For Tolerance, a dimension of 0.281 has a plus-0.008/minus-0.002 allowance. The tolerance, therefore is? | 0.281 + 0.008 = 0.289 (maximum) 0.281 - 0.002 = 0.279 (minimum) The difference: 0.289 - 0.279 = 0.010 |
| What is Tolerance when talking about drawings? | difference between the extreme permissible dimensions |
| What material symbol frequently used in drawings to represent all metals? | cast iron |
| What is a title block? | contains information that is important to the drawing |
| What is the title blocks revision number mean? | This number will indicate any changes to the original design |
| What is a bill of material? | list of the materials required to make the part |
| What are Station numbers used for? And most common used is? | used to locate objects on an aircraft. The most common are the fuselage stations. |
| Who defines the Datum? | the manufacturer |
| Are the numbers + or - forward of the datum? | -! |
| Are the numbers + or - aft of the datum? | +! |
| look at troubleshooting an aircraft system or component(s) using drawings/blueprints and/or system schematics | remember this for study |
Created by:
Wolfbane507
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