Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
What is this used to lay out |
A fitting that is parallel to a center line |
|
What is this used to lay out |
Hole for a nozzle entering she'll parallel to a centerline |
|
Where is a datum or reference line located on a vessel |
On the shell |
|
Where is a tangent line located on a vessel |
On the head |
|
How far from the seam is a tangent line usually located |
2" |
|
How far up should point 4 be from the center of the horizontal member |
2x material thickness |
|
Is a 45° lateral considered a wye? |
No |
|
What 4 elements determine the layout of an elbow |
Angle of turn, number of sections, turn radius, diameter |
|
What will a multi piece elbow end with on both ends |
A half piece |
|
How many full and half sections make up a 5 piece elbow |
3 full and 2 half |
|
How many joints does a 5 piece elbow have? |
4 |
|
What degree is each piece cut to in a 5 piece elbow? |
11.25 (4 joints x 2 = 8 ÷ 90°) |
|
What do you do to find the stretch out of a can with an inside diameter measurement |
ID + 1 plate thickness × π |
|
What do you do to find the stretch out length of a can with an outside diameter given |
OD - 1 plate thickness × π |
|
|
Bend symbol |
|
W.L. |
Work line |
|
W.P. |
Work point |
|
Temp. |
Template |
|
CL |
Centerline |
|
Dev. L. |
Developed length |
|
T.L. |
True length |
|
M. Dia |
Mean diameter |
|
M. Rad. |
Mean radius |
|
Formula for degree of swing |
Base radius ÷ apex radius x 360 |
|
Apex height formula |
|
|
Parallel line development used on |
Cylindrical shapes such as pipes, shells, and on rectangular shaped like ducting |
|
What is this pattern for? |
True wye |
|
What is this pattern for? |
Branch tee |
|
What is this pattern for? |
45° elbow |
|
What is this pattern for? |
Eccentric lateral |
|
What is this pattern for? |
45° lateral |
|
What is this pattern for? |
Four piece elbow |