Deck 23: Fabricating Techniques and Practices

Question 1

The advantage of ____ 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

Answer 1

D

Question 2

____ is dimensioned by its diameter and schedule or strength.

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

Answer 2

A

Question 3

____ are pieces of metal that are temporarily attached to the weldment's parts to enable them to be forced into place.

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

Answer 3

D

Question 4

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

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

Question 5

Some ____ 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 6

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 7

____ 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 8

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 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

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

Question 11

____ 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

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

____ are useful for clamping larger parts and 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 14

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

A) Fabrication
B) Welded structure
C) Weldment
D) Assembly

Question 15

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 16

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

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

Question 17

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

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

Question 18

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 19

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 20

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

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

Question 21

Drill chucks are available in a variety of sizes, the most typical of which are:

A) 1/4 in., 1/2 in., and 3/4 in.
B) 1/2 in., 3/4 in., and 5/8 in.
C) 3/4 in., 1 in., and 1-1/4 in.
D) 1 in., 1-1/2 in., and 2 in.

Question 22

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 23

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 24

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

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

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

Question 27

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

Question 28

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 29

The major disadvantage of cordless power tools is ____.

A) high electrocution danger
B) need for a generator
C) need for an external compressor
D) limited battery life

Question 30

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 31

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 32

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

A) Scrap
B) Kerf
C) Cut spacing
D) Gap

Question 33

Because flap discs are flexible, they can be used for ______.

A) weld blending
B) cleaning
C) finishing
D) All of the above

Question 34

What tool can be used to draw a circle?

A) Scribe
B) Contour marker
C) Compass
D) Try-square

Question 35

Which of the following is not an advantage of flap discs?

A) Slow stock removal
B) Less likely to gouge a work piece
C) Produce a smooth finish
D) Can be used to deburr edges

Question 36

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 fit up 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 37

Grinding stones range in diameter from ____ to ____.

A) 2 in., 8 in.
B) 6 in., 12 in.
C) 10 in., 12 in.
D) 12 in., 18 in.

Question 38

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 39

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

Question 40

Which backing material for flap discs provides the most rigid support?

A) Cloth
B) Plastic
C) Aluminum
D) Fiberglass

Question 41

Describe the two types of handheld power shears and how they operate.

Question 42

Power hacksaws use a ____________________ to move back and forth across the stock being cut.

Question 43

Describe the differences between pedestal and bench grinders.

Question 44

The ____________________ gets its name from the way the reciprocating cutting punch takes a small semicircular bite out of the metal each time it moves up and down.

Question 45

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

Question 46

The major advantage of____________________ is that they stay cool even under heavy use.

Question 47

List the advantages of using preformed parts.

Question 48

____________________ 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.

Question 49

The ____________________ is the portion of the flap disc that does the work of removing material.

Question 50

Flap discs, which are made up of strips of abrasive-covered flexible backing material, are sometimes known as ____________________ .

Question 51

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

Question 52

Circular saws are primarily used for ____________________.

Question 53

List the advantages of custom fabricating parts.

Question 54

How can one avoid making a cutting mistake?