Deck 23: Fabricating Techniques and Practices

Question 1

____ are dimensioned by giving the length of their legs and their thickness.

A) Angles
B) Sheets
C) Pipes
D) Plates

Answer 1

A

Question 2

____ is usually 3/16 in.(4.8 mm) or thicker and measured in inches and fractions of inches.

A) Plate
B) Sheet
C) Pipe
D) Tubing

Answer 2

A

Question 3

What should you do if you are going to be welding around other workers who are not welders?

A) Tell them about the sparks.
B) Tell them about the arc light.
C) Tell them of other hazards.
D) All of the above

Answer 3

D

Question 4

____ is dimensioned by its diameter and schedule or strength.

A) Pipe
B) Angle
C) Plate
D) Sheet

Question 5

A ____ line will make a long, straight line on metal and is best used on large jobs.

A) chalk
B) soapstone
C) metal scribe
D) center punch

Question 6

____ is/are usually 3/16 in.(4.7 mm) or less and measured in gauge or decimals of an inch.

A) Sheets
B) Plates
C) Pipes
D) Tubing

Question 7

Most assembly drawings are done as two, three, or more ____ views.

A) assembly
B) pictorial
C) exploded
D) orthographic

Question 8

____ are useful for clamping larger parts.These clamps have a sliding lower jaw that can be positioned against the part before tightening the screw-clamping end.

A) Pipe clamps
B) Cam-lock clamps
C) Bar clamps
D) C-clamps

Question 9

____ are available in a range of sizes with a number of various jaw designs.Their versatility and gripping strength make them very useful.

A) Cam-lock clamps
B) Locking pliers
C) Pipe clamps
D) Specialty clamps

Question 10

At the very basic level, ____ can be just placing two pieces of metal flat on a table and tack welding them together for practice welding.

A) nesting
B) assembly
C) grinding
D) laying out

Question 11

____ sizes are always given as the outside diameter.

A) Sheet
B) Plate
C) Tubing
D) Pipe

Question 12

Holding the ____ slightly above the surface allows it to be struck repeatedly, making marks to form a line that is easily seen for cutting.

A) chalk
B) soapstone
C) punch
D) metal scribe

Question 13

____ clamps are specialty clamps that are often used in conjunction with a jig or a fixture.They can be preset, allowing for faster work.

A) Cam-lock
B) Specialty
C) Pipe
D) Bar

Question 14

____ have been specially designed for welding.Some of these clamps have a spatter cover over the screw, and others have their screws made of spatter-resistant materials such as copper alloys.

A) Locking pliers
B) Pipe clamps
C) C-clamps
D) Bar clamps

Question 15

As the number of parts that make up a weldment ____, the problem of compounding the errors ____.

A) increases, decreases
B) increases, stays the same
C) increases, increases
D) decreases, stays the same

Question 16

____ clamps are very similar to bar clamps.The advantage of these clamps is that the ends can be attached to a section of standard 1/2-in.(13 mm) pipe.

A) Specialty
B) Bar
C) Cam-lock
D) Pipe

Question 17

Schedule ____ for a pipe is often considered a standard strength.

A) 10
B) 40
C) 80
D) 180

Question 18

No matter how large or complicated the welded structure, it is assembled ____ piece(s) at a time.

A) one
B) two
C) three
D) four

Question 19

If a ____ is used for marking lines, it should be sharpened properly to increase accuracy.

A) center punch
B) chalk
C) soapstone
D) metal scribe

Question 20

Only ____ type(s) of metal(s) is/are usually used in most weldments.

A) one
B) two
C) three
D) four

Question 21

The opposite end of the spectrum from preformed parts is ____________________ in which all or most of the assembly is handmade.

Question 22

____ are pieces of metal that are temporarily attached to the weldment's parts to enable them to be forced into place.Anytime these pieces of metals are used, they must be removed and the area ground smooth.

A) Hammers
B) Anvils
C) Jacks
D) Cleats or dogs

Question 23

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

Question 24

​One advantage of tools like the ____ is that all sides of a cut in structural shapes and pipe can be laid out from one side without relocating the tool.

A) ​pipe clamp
B) ​contour marker
C) ​template
D) ​metal scribe

Question 25

​What layout tool can be used to mark a straight line by dragging it along the straight edge of plate while holding a piece of soapstone against the end of the tool?

A) ​straight edge
B) ​12' tape measure
C) ​framing square
D) ​combination square

Question 26

​What is the process of laying out parts so that the least amount of scrap is produced?

A) ​nesting
B) ​compressing
C) ​pre-packing
D) ​close packing parts

Question 27

​What problem might be caused if the root opening is larger than normal?

A) ​More filler metal will be needed and the heat-affected zone will be larger.
B) ​You might have to use a higher amperage setting to melt both sides of the root to get good fusion.
C) ​Using a very short arc will help solve the problem.
D) ​Nothing if you are a good welder and can fill the larger gap.

Question 28

​What is the term used to describe the process of bringing together all of the parts for a weldment?

A) ​assembly
B) ​fabrication
C) ​part requisition
D) ​bill-of-materials listing

Question 29

____ will do a better job than cleats or dogs if the weldment's parts must be moved more than about 1/2 in.

A) Jacks
B) Hammers
C) Anvils
D) Abrasive grinding disks

Question 30

​Which of the following would not be considered a preshaped part for an assembly?

A) ​machined
B) ​bent
C) ​bar stock
D) ​precut

Question 31

____________________ is the process of assembling the parts to form a weldment.

Question 32

​What tool can be used to draw a circle?

A) ​scribe
B) ​contour marker
C) ​compass
D) ​try-square

Question 33

____, such as those for pipe welding, are available for many different types of jobs.Such clamps make it possible to do faster and more accurate assembling.

A) Bar clamps
B) Pipe clamps
C) C-clamps
D) Specialty clamps

Question 34

​What is the term use to identify anything that was created primarily by welding?

A) ​fabrication
B) ​welded structure
C) ​weldment
D) ​assembly

Question 35

​What should be a concern as a weldment becomes larger as more parts are added?

A) ​That it is well supported so it does not fall.
B) ​That it does not get too tall and the top cannot be reached by using a ladder.
C) ​That you will have to stand on part of the weldment to reach the other parts to weld them.
D) ​It may be too large to see over.

Question 36

​When would a portable fan be needed?

A) ​Anytime you are welding outside of a welding shop.
B) ​When the shop ventilation is not enough to blow away the welding fumes.
C) ​When you are welding around others to blow away the extra heat.
D) ​When you are making a GTA weld on thick stainless steel piping.

Question 37

​What is the name for the space caused by most metal cutting processes that remove a small amount of metal?

A) ​scrap
B) ​kerf
C) ​cut spacing
D) ​gap

Question 38

​Why might it be easy to cut the wrong line on a part laid out for cutting?

A) ​One person laid it out and another made the cut.
B) ​The light in many shops is not very bright and it is hard to see the lines to be cut.
C) ​There is no way to identify between a cut, bend, layout, and centerline when making a PAC.
D) ​Sometimes scratches on the plate might look like the layout lines of a part to be cut.

Question 39

​Research for welding in space dates back to the ____ with experiments done on board the U.S.Skylab.

A) ​1940s
B) ​1950s
C) ​1960s
D) ​1980s

Question 40

​What can be done if a number of parts are made within tolerance so that the parts' overall finished size will be within its tolerance?

A) ​Make the part a little smaller so that the parts can be used.
B) ​Adjust the weld joint fitup within its tolerance to compensate for the parts' tolerance.
C) ​Change the design to allow the parts to be used so that the cost of new parts can be avoided.
D) ​Discard the parts and start the project over with new more accurately cut parts.

Question 41

When only one or two parts are being cut, the kerf width may not need to be added to the part dimension.This space may be taken up during assembly by the ____________________ required for a joint.

Question 42

____________________ are devices that are made to aid in assemblies and fabrication of weldments.These devices are helpful when a number of similar parts are to be made.

Question 43

_________________________ is the amount that a part can be bigger or smaller than it should be and still be acceptable.

Question 44

List the factors to consider regarding the number of tack welds.

Question 45

List the factors that affect the process of laying out a part.

Question 46

How can one avoid making a cutting mistake?

Question 47

The ____________________ is the space created as material is removed during a cut.

Question 48

List the advantages of using preformed parts.

Question 49

List the advantages of custom fabricating parts.

Question 50

The advantage of using ____________________ is that once the detailed layout work is completed, exact replicas can be made anytime they are needed.

Question 51

The placement of parts together in a manner that will minimize the waste created is called ____________________.

Question 52

____________________ is the process of adjusting the parts of a weldment so that they meet the overall tolerance because not all parts fit exactly as they were designed.