Deck 6: Fabricating Techniques and Practices

Question 1

All metals distort by contraction when heated.

Answer 1

False

Question 2

____ are the welds, usually small in size, that are made during the assembly to hold all of the parts of a weldment together so they can be finish-welded.

A) Fillet welds
B) Tack welds
C) Plug welds
D) Spot welds

Answer 2

B

Question 3

The two most common gauge standards are the Manufacturer's Standard Gauge for Sheet Steel and the ____.

A) American Iron and Steel Institute (AISI)
B) American Welding Society (AWS)
C) American Society for Testing and Materials (ASTM)
D) American Wire Gauge

Answer 3

D

Question 4

In this textbook, the terms "distortion" and "distorted" have the same meaning.

Question 5

To start the assembly, make a selection of the largest or most central part to be the base for your assembly.

Question 6

Pipe clamps are very similar to C-clamps.

Question 7

____ are devices that are made to aid in assemblies and fabrication of weldments.

A) Kerves
B) Volters
C) Fixtures
D) Fitters

Question 8

All cutting processes except shearing remove some metal, leaving a small gap or space. This gap or space is called the ____.

A) kerf
B) warp
C) arc
D) arm

Question 9

A variety of types of ____ can be used to temporarily hold parts in place so that they can be tack welded.

A) angles
B) kerves
C) clamps
D) tacks

Question 10

The metals with the higher values of coefficients of expansion tend to distort more during welding.

Question 11

Every part manufactured has a tolerance.

Question 12

Most welding heat cycling is symmetrical.

Question 13

In addition to straight welding, welders are often required to assemble parts together to form a ____.

A) joint
B) fabrication
C) pipe
D) weldment

Question 14

Lines may be marked with a soapstone, metal marker, a(n) ____, scratched with a metal scribe, or punched with a center punch.

A) chalk line
B) hidden line
C) in-line
D) vertical line

Question 15

Angles, sometimes referred to as angle iron, are dimensioned by giving the length of the legs of the angle and their ____.

A) weight
B) thickness
C) width
D) volume

Question 16

The first step in almost every welding operation is the assembly of the parts to be joined by welding.

Question 17

Large welds may cause great ____ and have larger heat affected zones.

A) weld translation
B) weld distortion
C) weld projection
D) weld resilience

Question 18

Either a scribe or a punch can be used to lay out an accurate line.

Question 19

The opposite end of the spectrum from preformed parts is ____.

A) on-the-job fitting
B) deformed parts
C) custom fabrication
D) outsourcing

Question 20

Contour markers are less accurate than other layout tools.

Question 21

The two factors that affect the degree to which a metal will distort and possibly remain distorted are its rate of thermal expansion and its rate of ____________________.

Question 22

Tubing sizes are always given as the outside ____________________.

Question 23

Circles, arcs, and curves can be laid out by either using a compass or circle ____________________.

Question 24

When making an assembly with precut and formed parts, little or no on-the-job ____________________ may be required.

Question 25

A(n) ____________________ is an assembly whose parts may be joined by a combination of methods including welds, bolts, screws, adhesives, and so on.