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28 Cards in this Set
- Front
- Back
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Define Orthographic Projection |
A two dimensional drawing of a three dimensional object using two or more additional drawings to show additional views of the object |
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What are the two drawing types? |
1. Pictorial type 2. Orthographic type |
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Blueprints, shop drawings and views for pattern development are which kind of drawings? |
Orthographic type |
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What are pictorial type drawings useful for? |
Representing visual ideas |
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How many positions are orthographic drawings viewed from? |
6 |
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How many views in an orthographic drawing are needed? |
Only the views that show the most detail of the object being depicted |
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Object lines are: |
Used to outline the shape of the object |
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Hidden lines are used to show: |
Internal or hidden shapes within the object |
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It is very important that different views are always: |
Drawn in the same position |
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Where should the rear view be drawn? |
The far right |
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In an orthographic drawing which view do you draw first? |
The one with the most information |
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What is the best way to illustrate an object so everyone can understand what is being represented? |
Pictorial type |
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What is a one point perspective drawing, with the closest face is an orthographic view, and the receding lines are parallel to show the remaining two views? |
Oblique type drawing |
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What are the two styles of oblique type drawings? |
1. Cavalier 2. Cabinet |
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What is an isometric drawing? |
All lines on the same surface remain parallel and same scale is used in all lines |
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Which drawings omit hidden lines? |
Pictorial type |
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What angle are the construction lines drawn in on an isometric drawing? |
30° |
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On a blueprint where is the page number always shown? |
Lower right corner |
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What division of blueprint drawings does HVAC fall under? |
M-Mechanical |
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What is the Schedule? |
Another way of communicating detailed information and construction requirements for the project |
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What are Specifications? |
Written instructions indicating how work is to be completed, or are descriptions of items, types of materials, or responsibilities that are not possible to convey using drawings or symbols |
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How are specifications broken down? |
General specifications, for the complete job, and then are further broken down into specific specifications that deal directly with each trade |
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How far above floor level are floor plans drawn? |
4 feet in the kitchen and 6 feet everywhere else |
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What do elevation views show? |
Exterior finishes Building materials Window types and dimensions Doors Eave overhang Steps |
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What do reference circles provide? |
Detail number and page it is found on |
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What is a material takeoff used for? |
Estimating the cost, ordering materials and tracking the costs of the job |
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The Alberta Building Code and the Canadian Building Code require every new home to have: |
A principal exhaust fan |
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The use of an adjustable damper to control fresh air intake is _____ in most jurisdictions |
Discouraged |
