Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CWB1 > Joint Design and Preparation > Flashcards

Joint Design and Preparation Flashcards

1
Q

Two common faults with T-joints are: (Multiple choice)
Question 1 options:

A) Overlap, convex weld bead profile.

B) Undercut, concave weld bead profile

C) Lack of fusion, unequal leg lengths

D) Excessive spatter, porosity.

A

B) Undercut, concave weld bead profile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The five basic types of joints are: (Multiple choice)
Question 2 options:

A) Groove, fillet, plug and slot, surfacing, and edge.

B) Edge, lap, butt, T, and corner.

C) Groove, T, plug and slot, surfacing, and edge.

D) Flange, branch, groove, T, and corner.

A

B) Edge, lap, butt, T, and corner.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

T-joints are prone to distortion, though this can be minimized by: (Multiple choice)
Question 3 options:

A) the use a single bevel edge preparation.

B) the use of a double bevel edge preparation.

C) tack welding at both ends and on both sides.

D) tack welding at both ends only.

A

C) tack welding at both ends and on both sides.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Intermittent fillet welds are mostly used on lap and T-joints and sometimes used on: (Multiple choice)
Question 4 options:

A) Corner joints.

B) Edge joints.

C) Square butt joints.

D) Flanged butt joints.

A

C) Square butt joints.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fillet welds are used to make: (Multiple choice)
Question 6 options:

A) Butt, corner, and edge joints.

B) Groove, T, and edge joints.

C) Flange, plug, and lap joints.

D) Lap, T, and corner joints.

A

D) Lap, T, and corner joints.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a surfacing weld? (Multiple choice)
Question 9 options:

A) A weld that penetrates into the surface of a joint.

B) A weld that finishes flush with the joint surface.

C) A weld that penetrates through the inner joint surfaces.

D) A weld that is applied to a surface, not making a joint.

A

D) A weld that is applied to a surface, not making a joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

For equal leg convex fillet welds, the measured leg size is the fillet weld size. (True/False)
Question 10 options:
True
False

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The term “Cladding” refers to: (Multiple choice)
Question 11 options:

A) Creating buildup intended to provide a buffer or transition for another surface weld.

B) Creating a hard or tough surface to control wear.

C) To change dimensions such as thickness.

D) Creating a corrosion-resistant or heat-resistant layer.

A

D) Creating a corrosion-resistant or heat-resistant layer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Lap joints and T-joints must be supported in an angled position to obtain a true flat position. (True/False)
Question 12 options:
True
False

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The _______ position is used to weld from the upper side of the joint, with the workpiece positioned so that the weld joint and face are horizontal to the ground. (Multiple choice)
Question 13 options:

A) vertical

B) overhead

C) horizontal

D) flat

A

D) flat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Vertical welding is considered the most difficult to master because gravity can cause the weld puddle to drip and solidify as “grapes” or “icicles.” (True/False)
Question 14 options:
True
False

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The welding positions required to weld a pipe fixed at a 45-degree incline are: (Multiple choice)
Question 15 options:

A) Flat, vertical, and overhead.

B) Flat, horizontal, and vertical

C) Horizontal, vertical, and overhead.

D) Flat and horizontal.

A

C) Horizontal, vertical, and overhead.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

4G is a groove weld in the overhead position. (True/False)

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The inclination of axis for overhead groove welds is: (Multiple choice)
Question 16 options:

A) 0-15 degrees.

B) 0-80 degrees.

C) 15-80 degrees.

D) 80-90 degrees

A

B) 0-80 degrees.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When a prequalified joint is specified to AWS D1.1: (Multiple choice)
Question 18 options:

A) welding procedure data sheets are not required and mechanical testing is also not required.

B) welding procedure data sheets are required; however, mechanical testing is not required.

C) it is acceptable in accordance to CSA W59, as all prequalified joints are universal.

D) both welding procedure data sheets and mechanical testing are required.

A

B) welding procedure data sheets are required; however, mechanical testing is not required.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

One reason for following the rule of “minimum weld metal” is to: (Multiple choice)
Question 19 options:

A) reduce joint preparation time.

B) increase the heat input.

C) reduce stresses and distortion.

D) prequalfy the joints.

A

C) reduce stresses and distortion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

There are different types of plasma torches. What type of operation is used for cutting?

A) Transferred arc.

B) Non-transferred arc.

C) High pressure arc.

D) High volume arc.

A

A) Transferred arc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

In addition to fast and accurate cuts, the advantage of water jet cutting includes: (Multiple choice)
Question 21 options:

A) No heat affect, no dross, and most metals and non-metals can be cut.

B) Minimal heat affect, no dross, and most metals can be cut.

C) No heat affect, no dross, low initial cost, and most metals and non-metals can be cut.

D) No heat affect, quiet operation, portability, and most metals can be cut.

A

A) No heat affect, no dross, and most metals and non-metals can be cut.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

An acceptable grit size for intermediate grinding and blending of coarse grit lines would be: (Multiple choice)
Question 22 options:

A) 100 - 150

B) 50 - 80

C) 24 - 40

D) 180 - 240

A

B) 50 - 80

20
Q

Compared to flame cutting of steels, shears are: (Multiple choice)
Question 23 options:

A) slower, generate no fumes, and produce no heat effects on the steel.

B) faster, generate no fumes, and produce no heat effects on the steel.

C) slower, require a more skilled operator, and generate more fumes.

D) faster, generate flying debris, and produce no heat effects on the steel.

A

B) faster, generate no fumes, and produce no heat effects on the steel.

21
Q

Which are edge preparation methods that typically do not result in heat effects on the steel include? (Multiple choice)
Question 24 options:

A) Machining, plasma arc cutting, and laser cutting.

B) Mechanical cutting, machining, and flame cutting.

C) Machining, water jet cutting, and laser cutting.

D) Mechanical cutting, machining, and water jet cutting.

A

D) Mechanical cutting, machining, and water jet cutting.

21
Q

There are two types of corner joints: (Multiple choice)
Question 1 options:

A) Inside corner, outside corner.

B) Top corner, bottom corner.

C) Open corner, closed corner.

D) Inside corner, opposite corner.

A

C) Open corner, closed corner.

22
Q

When welding the two members of a butt joint of different thicknesses or widths, the end of the thicker section must be tapered at a slope of no more than 1 in 2.5 (1:2.5). (True/False)
Question 2 options:
True
False

A

True

23
Q

Two common faults when using lap joints are: (Multiple choice)
Question 3 options:

A) Overlap, convex weld bead profile.

B) Incomplete fusion, incomplete joint penetration.

C) Lack of fusion, unequal leg lengths.

D) Excessive spatter, porosity.

A

B) Incomplete fusion, incomplete joint penetration.

24
Q

The two main types of fillet welds are: (Multiple choice)
Question 4 options:

A) Slot and plug.

B) Regular and irregular.

C) Partial penetration and full penetration.

D) Continuous and intermittent.

A

D) Continuous and intermittent.

25
Q

The term “Buttering” refers to: (Multiple choice)
Question 6 options:

A) Creating buildup intended to provide a buffer or transition for another surface weld.

B) Creating a hard or tough surface to control wear.

C) To change dimensions such as thickness.

D) Creating a corrosion-resistant or heat-resistant layer.

A

A) Creating buildup intended to provide a buffer or transition for another surface weld.

25
Q

With plug and slot welds with the inside fillet being welded around the plug or slot, filling the joint is often unnecessary. (True/False)

A

True

26
Q

Edge welds are neither groove welds nor fillet welds. (True/False)
Question 8 options:
True
False

A

True

27
Q

Which weld types are recognized in CSA welding standards? (Multiple choice)
Question 11 options:

A) Groove, fillet, plug and slot.

B) Seam, fillet, butt and corner.

C) Flange, groove, fillet.

D) Lap, butt, plug and slot.

A

A) Groove, fillet, plug and slot.

28
Q

The main difficulty with horizontal welding is that gravity tends to cause the weld puddle to: (Multiple choice)
Question 12 options:

A) cool rapidly.

B) flow to the lower side of the joint.

C) flow to the upper part of the joint.

D) pull away from the edges of the weld.

A

B) flow to the lower side of the joint.

29
Q

The designation 3G refers to: (Multiple choice)
Question 15 options:

A) The horizontal position groove weld.

B) The vertical position groove weld.

C) The flat position groove weld.

D) The overhead position groove weld.

A

B) The vertical position groove weld.

30
Q

5G is a groove weld in a pipe with the axis of the pipe fixed in the overhead position. (True/False)
Question 13 options:
True
False

A

False

31
Q

Weld joints designated with “J” preparations are usually used on very thick material only. Why? (Multiple choice)
Question 18 options:

A) “J” preparations afford only limited access to the root of the joint.

B) “J” preparations are more difficult to fit and align than other preparations.

C) “J” preparations reduce the amount of weld metal needed to fill thick joints.

D) “J” preparations increase the amount of weld metal needed to fill thick joints.

A

C) “J” preparations reduce the amount of weld metal needed to fill thick joints.

32
Q

When oxyfuel gas cutting, the top edge is sharp but undercutting is present just below the top surface and heavy drag lines appear with a pronounced backward rake. What corrective action should be taken? (Multiple choice)
Question 20 options:

A) Reduce the travel speed.

B) Increase the torch height.

C) Reduce the preheat flames.

D) Reduce the cutting oxygen pressure.

A

A) Reduce the travel speed.

33
Q

Select two fuel gasses used for oxyfuel cutting. (Multiple choice)
Question 21 options:

A) Hydrogen and oxygen.

B) Propane and nitrogen

C) Acetylene and propane.

D) Acetylene and helium.

A

C) Acetylene and propane.

34
Q

The disadvantages of water jet cutting include: (Multiple choice)
Question 22 options:

A) High initial cost, straight line cutting only, limited to cutting thin steel plate thicknesses and disposal of spent water contaminated with abrasives.

B) Limited to cutting ferrous materials only, high initial cost, and frequent nozzle replacement.

C) High initial cost, frequent nozzle replacement, disposal of spent water contaminated with abrasives and high noise level.

D) High noise level, limited to cutting metals only.

A

C) High initial cost, frequent nozzle replacement, disposal of spent water contaminated with abrasives and high noise level.

35
Q

The air carbon arc gouging process has been specified to perform back-gouging on a complete penetration joint to be welded from both sides. The equipment required to perform this work includes: (Multiple choice)
Question 23 options:

A) Oxyfuel equipment, a carbon and graphite copper clad electrode, and a compressed air line delivering up to 690 KPa (100 psi).

B) A plasma arc cutting machine, set up with a gouging tip, and a compressed air line delivering up to 690 KPa (100 psi).

C) A shielded metal arc welding machine, a carbon and graphite copper clad electrode, and a compressed air line delivering up to 690 KPa (100 psi).

D) A shielded metal arc welding machine, a carbon and graphic copper clad electrode, and a compressed air line delivering up to 345 KPa (50 psi).

A

C) A shielded metal arc welding machine, a carbon and graphite copper clad electrode, and a compressed air line delivering up to 690 KPa (100 psi).

36
Q

Butt joints are effective for all types of stresses because they are capable of 100% penetration. (True/False)
Question 1 options:
True
False

A

True

36
Q

A neutral flame is typically used for oxyfuel cutting of steels. The neutral flame can be defined as a flame with a: (Multiple choice)
Question 24 options:

A) short white flame and an oxygen to acetylene ratio of 1.5 to 1.0.

B) short acetylene feather and an oxygen to acetylene ratio of 0.9 to 1.0.

C) defined white cone with an oxygen to acetylene ratio of 1.0 to 1.0.

D) long acetylene feather and an oxygen to acetylene ratio of 0.7 to 1.0.

A

C) defined white cone with an oxygen to acetylene ratio of 1.0 to 1.0.

37
Q

On a square butt joint, increasing the root opening increases the: (Multiple choice)

Question 18 options:

A) Depth of preparation.

B) Depth of penetration.

C) Heat input required.

D) Joint preparation required.

A

B) Depth of penetration.

38
Q

Advantages of laser cutting include: (Multiple choice)
Question 20 options:

A) Narrow kerf width, square edges, clean and smooth cutting surface, minimum heat-affected zone, minimum distortion, cutting of metals and non-metals.

B) No heat-affected zone, no distortion, cutting of most metals, cutting of thick steel plates.

C) Low capital cost of equipment, minimum heat-affected zone, no distortion, cutting of metals and non-metals.

D) Clean and smooth cutting surface, square edges, minimum heat-affected zone, cutting of metals and non-metals, capacity to cut thick materials.

A

A) Narrow kerf width, square edges, clean and smooth cutting surface, minimum heat-affected zone, minimum distortion, cutting of metals and non-metals.

39
Q

In North America, when oxy-fuel cutting, the fuel gas supply hoses are always: (Multiple choice)
Question 21 options:

A) Red

B) Orange

C) Blue

D) Green

A

A) Red

40
Q

The plasma arc cutting process utilizes a high velocity jet of compressed gas, ionized by the high heat generated by a: (Multiple choice)
Question 22 options:

A) high voltage, constricted direct current arc. The high heat melts the material in its path, and it does not rely on a chemical reaction (exothermic reaction).

B) high voltage, constricted direct current arc. The process relies on a chemical reaction (exothermic reaction) and is limited to the cutting of carbon steels.

C) high current, low voltage arc. The process relies on a chemical reaction (exothermic reaction) and is limited to the cutting of carbon steels.

D) high current, low voltage arc. The high heat melts the material in its path and it does not rely on a chemical reaction (exothermic reaction).

A

A) high voltage, constricted direct current arc. The high heat melts the material in its path, and it does not rely on a chemical reaction (exothermic reaction).

41
Q

Plasma arc cutting requires selecting appropriate shielding gases for cutting various types of materials. For the cutting of aluminum plate: (Multiple choice)
Question 23 options:

A) argon shielding gas should be selected.

B) oxygen should be selected.

C) nitrogen should be selected.

D) compressed air should be selected.

A

C) nitrogen should be selected.

42
Q

Compared to flame cutting of steels, shears are: (Multiple choice)
Question 24 options:

A) slower, generate no fumes, and produce no heat effects on the steel.

B) faster, generate no fumes, and produce no heat effects on the steel.

C) slower, require a more skilled operator, and generate more fumes.

D) faster, generate flying debris, and produce no heat effects on the steel.

A

B) faster, generate no fumes, and produce no heat effects on the steel.

CWB1 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions