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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is meant by tolerance on an aircraft drawing? |
It is the allowable plus or minus variation from the dimension given on the drawing. |
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What is meant by Clearance on an aircraft drawing? |
It is the amount of space or separation that is allowed between two components or parts. |
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What information is given in the title block of an aircraft drawing? |
The name and address of the company who made the part, the name of the part, the scale of the drawing, the name of the draftsman, the name of the engineer approving the part, and the number of the part or the drawing number. |
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How are dimensions shown on an aircraft drawing |
By numbers shown in the break of a dimension line. |
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How can you know that the aircraft drawing you're using is the most current version of the drawing? |
By the numbers in the revision block and by the log of the most recent drawings. |
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How many views can there be in an orthographic projection? |
Six views |
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How many views are used in most aircraft drawings? |
Three views or three dimensions. |
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What is the purpose of a center line on an aircraft drawing? |
It shows the center of the object in the drawing. |
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What is a fuselage station number? |
The distance in inches from the datum |
Usually measured along the longitudinal axis of the fuselage |
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Where is the title block normally located on an aircraft drawing? |
In the lower right hand corner of the drawing. |
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What is the purpose of a cutting plane on an aircraft drawing? |
It indicates where an object has been cut out to allow auxiliary drawings to be made
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With the arrows on the cutting plane showing the direction the auxiliary drawing is viewed. |
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How is the alternate position of a part shown on an aircraft drawing? |
By a thin line made up of a series of long dashes separated by two short dashes. |
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What is a butt line? |
It's a reference line to the left or the right of the center line of the aircraft |
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What is a detail drawing? |
A drawing that in indicates all the information needed to fabricate the part. |
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What is an assembly drawing? |
A drawing that shows the components of a part in an exploded form. |
Usually a Parts list is included with an assembly drawing. |
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What is an installation drawing? |
A drawing that shows the location of the parts and assemblies on the complete aircraft. |
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What type of drawing is most helpful in troubleshooting a system? |
A schematic diagram. |
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What is a block diagram? |
A drawing that shows the various functions of a system by a series of blocks. |
These blocks do not include any detail but instead indicate what happens in each block. |
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What is the purpose of a sketch of a repair? |
It shows specific bits of information and includes the minimum amount of detail needed to manufacture the part. |
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What are the four steps in making the sketch? |
Step 1 block in the space and basic shape used for the sketch Step 2 add details to basic block Step 3 darken lines that are to show up as visible lines in the finished sketch Step 4 add dimensions and any other information that would make the sketch more usable |
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What is the purpose of center line on an aircraft drawing? |
It divides a part into symmetrical halves. |
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