Schematics and Waterline Sketching 060405b

Question 1

What kind of drawing is a diagram of a process or system that shows the major equipment and controls of the system?

Answer 1

Schematic drawing

Question 2

Are measurments shown on a schematic? If not why?

Answer 2

No measurments are shown as the drawing is a representation of the operation or an idea, rather than of the actual construction

Question 3

Which kind of drawing is not drawn to scale?

Answer 3

Schematic

Question 4

Schematic drawings are sometimes refered to what on larger comercial and industrial projects?

Answer 4

Piping and Instrumental Diagrams (P&ID)

Question 5

What is not shown on a schematic?

Answer 5

Pipe lengths, fittings, small utility lines (air and steam) or anything that is not critical to the process represented in the diagram

Question 6

The main thing to realize when reading schematic is what?

Answer 6

They show how the system is suposed to work after it is constructed

Question 7

How are controls shown on a schematic drawing?

Answer 7

As a bubble or balloon with letters and/or numbers in it

Question 8

What are the 4 first letter terms in a schematic drawing and their associated abbreviations?

Answer 8

F = flow

P = pressure

T = temperature

L = level

Question 9

What do the letters on the controls in a schematic drawing mean?

Answer 9

Thr first letter indicates what the instrument is measuring, while the following letter or letters indicate what the instrument is doing with the signal

Question 10

If you draw waterlines orthograpically, how many views will you usually have to draw to convey all the necessary measurments and information?

Answer 10

At least 2