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38 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Parallel line development is used most often for ________. |
Objects that have a constant cross- section |
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What are some objects that we use Parallel Line development to develop? |
Round elbows, rain gutters, cornice mouldings, chutes, canopies or pipe tees. |
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What does the elevation view represent? |
What the object would look like if you were looking at it from the side. |
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Element lines are generally true length on the elevation view. T or F |
True! |
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_____ are the foundation of parallel line development. |
Element lines are the foundation of parallel line development. |
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What are projection lines used for? |
Projection lines are used to project an element point from one view to another. Or from a view to a pattern. |
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Many parallel line development patterns are developed for objects cut off at an angle. This angle is called a ______. |
Miter! |
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What is the stretch-out of any pattern? |
It is it’s length. |
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What is required to properly develop a pattern? |
The TRUE LENGTHS of the element lines! |
Not asking about views. |
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What are primes in parallel line development? |
Used to identify extra element points related to another point |
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What is a net pattern? |
a pattern without any allowances. |
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What is a gross pattern? |
is the net pattern with allowances for fabrication added. |
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How many views are required to develop a pattern using Parallel line development? |
At least two views of the object are required. |
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How are element lines drawn on the pattern? |
Perpendicular to the stretch-out line on both the elevation view and the pattern. |
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To see what the actual base plate would look like, you could develop a(an)? |
You could develop an auxiliary view. |
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To properly develop a parallel line development pattern, you must have the true length of the _____.? |
Element Line |
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An object not developed with simple line development is a _____? A) round elbow B) roof jack C) round tee D) boot tee |
Boot Tees (Applied parallel line development) |
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You can develop patterns for spherical objects with parallel line development. T or F? |
True! |
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Parallel Line Development uses the same steps for any object developed with this method. T or F? |
False! Basic principles remain the same. But some more complicated objects require more steps to be added. |
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Element line spacing on the stretch out is best developed by ______? |
Calculating and Measuring. |
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How many divisions are typically used to divide smaller circles? |
12 |
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When laying out a Y stub pattern it is necessary to have _______? |
Both side and end views. |
View(s) |
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There will be a hidden line in the side elevation view of an on centre pipe Y. T or F? |
False. |
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Y pipes are always laid out at 45 degrees. T or F? |
False. |
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Y pipes are always laid out at 45 degrees. T or F? |
False. |
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Hole pattern spacing around the main cylinder is taken from ________ view? |
End View. |
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Stub stretch out on a rectangular Y is calculated by ______? |
2L+2W |
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Extend element lines from ________ view to develop the hole pattern. |
Side elevation view. |
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Extend element lines from ________ view to develop the hole pattern. |
Elevation view |
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Is the pipe diameter critical when developing a Y pipe stub? |
Yes |
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Construction and element lines help us to develop _______. A) stub stretch-outs B) mitre lines C) hole patterns D) all of the above. |
All of the above. |
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When laying out a tee fitting, you start by drawing what view? |
Elevation |
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Corresponding element lines from the end view and the side elevation view create ______? |
The mitre line. |
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When lettering or numbering the 12 equal divisions, it is best to start _____? |
At the seam. |
Where? |
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If the stub has the same diameter as the pipe, will the stepped off distances for the hole pattern be ____? A) unequal B) equal C) same as the circumference D) same as the diameter |
Equal! |
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When laying out a hole pattern, element lines must be extended from _____ view. |
Elevation |
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When laying out a hole pattern, element lines must be extended from _____ view. |
Elevation |
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When laying out just the stub pattern, the end view is all that is required. T or F? |
True! |
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