Deck 4: Blueprint Reading and Welding Symbols

Question 1

_____ drawings are made of one or more two-dimensional drawings called "views" that are drawn as if you were looking directly at one side of the object. ​

Answer 1

Orthographic

Question 2

_____ refers to the process of analyzing drawings, material specifications, and other design documents to determine all the materials that will be needed to fabricate a system. ​

A)Hydronic system ​
B)Drawing scale ​
C)Mechanical drawing ​
D)Material takeoff​

Answer 2

D

Question 3

_____ lines show the same features as object lines except that the corners, edges, and curved surfaces cannot be seen because they are hidden behind the surface of the object. ​

Answer 3

Hidden

Question 4

Isometric drawings are _____ drawings that use lines drawn at 30-degree angles to the right and left of vertical so that the top, right, and left sides can all be shown in a single drawing. ​

A)perspective​
B)orthographic​
C)phantom​
D)pictorial​

Question 5

​ What is a consumable insert?

Question 6

Mechanical drawings are also known as _____. ​

A)isometric drawings ​
B)orthographic drawings ​
C)material takeoff ​
D)blueprints​

Question 7

_____ lines show the edge of an object, the intersection of surfaces that form corners or edges, and the extent of a curved surface. ​

A)Object​
B)Hidden​
C)Center​
D)Extension​

Question 8

​ The _____ is used to define the ratio between the drawing size and the size of the actual part that the drawing represents.

Question 9

The term blueprint is an old term used to refer to any set of _____. ​

Question 10

A fillet weld is approximately _____. ​

A)circular ​
B)rectangular ​
C)square ​
D)triangular ​

Question 11

What type of pump is used in most piping systems? ​

Question 12

_____ lines are drawn so that their ends touch the object being measured, or they may touch the extension line from the object being measured. ​

Question 13

If the needed dimensions cannot be found on a drawing, try to obtain them by _____ the drawing itself. ​

A)measuring​
B)looking at​
C)calculating​
D)sketching​

Question 14

Why are perspective drawings the most picturelike? ​

Question 15

_____ lines are the lines that come out from an object and locate the points being dimensioned. ​

A)Object​
B)Hidden​
C)Center​
D)Extension​

Question 16

_____ valves are used only in the full open or closed position. ​

A)Shutoff​
B)Throttling​
C)Fitting​
D)Elbow​

Question 17

Most pumps used in piping systems are of the   _____ type. ​

A)circulating ​
B)centrifugal ​
C)suction ​
D)discharge ​

Question 18

What does the Alphabet of Lines refer to? ​

Question 19

What are piping and welding symbols used for? ​

Question 20

____ are used to connect information to the place on a drawing that the information applies to. ​

A)Section lines​
B)Break lines​
C)Leaders​
D)Arrow lines​