Deck 15: Welding Processes and Reading Welding Representations

Question 1

Weld-all-around symbol is attached to the reference line at the junction of the leader when a welded connection must be performed all around a feature.

Answer 1

TRUE

Question 2

Welding is a process of joining any two or more pieces of metal by heating the material to a temperature high enough to cause softening or melting.

Answer 2

TRUE

Question 3

The three types of welding tests are destructive, nondestructive, and passive.

Answer 3

FALSE

Question 4

Weld length is the length of a weld that is not continuous.

Question 5

"Weldment" is another term for welding assemblies.

Question 6

Welding sizes are given in either inches or centimeters.

Question 7

Oxygen gas welding can only be performed with natural gas fuel.

Question 8

Weld symbol indicates the type of weld and is part of the welding symbol.

Question 9

All joints have an "arrow" side and an "other" side.

Question 10

Weld tolerance can also be applied to a welding symbol tail by placing the tolerance value and a note giving a reference to the weld feature where the tolerance is applied.

Question 11

The gas tungsten arc welding process is sometimes referred to as TIG welding.

Question 12

The side of the joint to which the arrow points is the arrow side.

Question 13

Solder is an alloy of tin and metal.

Question 14

The components of a welding symbol, the reference line, the leader, and the tail, must always be used.

Question 15

Oxyfuel welding is faster and cleaner than other welding processes.

Question 16

Gas tungsten arc welding is generally limited to thin materials, high integrity joints, or small parts.

Question 17

Oxyfuel welding is most typically used to fasten larger pieces of metals together.

Question 18

When single groove and symmetrical double groove welds penetrate completely through the parts being joined, the weld size can be omitted.

Question 19

The type of weld is associated with the weld shape and/or they type of groove to which the weld is applied.

Question 20

Welding is a more permanent fastening application than screw threads or pins.

Question 21

Soldering is done above 450° C and brazing is done below 450° C.

Question 22

Lap, tee, outside corner, edge, and butt are types of weld joints.

Question 23

Braze welding, brazing, and soldering are more of a bonding process than welding because the base material remains solid while a filler metal is melted into a joint.

Question 24

The strength of a seam weld is expressed as minimum acceptable shear strength in pounds per linear inch.

Question 25

The continuity of a weld is when the desired characteristics of the weld exist throughout the weld length.

Question 26

If the weld is to be deposited on the arrow side of the joint, the proper weld symbol is placed above the reference line.

Question 27

The letter designating a flush contour weld is placed above the flush contour symbol for another side application, or below the flush contour symbol for an arrow side application.

Question 28

When a weld penetration is specified, the depth of penetration is placed in parentheses and placed to the right of the weld symbol.

Question 29

Unless otherwise specified, a weld penetrates through the thickness of the parts at the joint.

Question 30

Intermittent welds that have a pitch of 3 have 3 inches in between welds.

Question 31

Dye penetrant, leak, radiographic, and eddy current are types of destructive tests that can be performed on welds.

Question 32

If a weld has a one letter designation of "M" above the flush contour symbol for another side application, it means that the weld process should be machine welding.

Question 33

Welding is a process of joining two or more pieces of like metals by heating the material to a temperature high enough to cause softening or melting.

Question 34

A square groove weld symbol is assumed to have a root opening if there is a value shown within it.

Question 35

Generally, the surface contour of a weld is raised above the surface face.

Question 36

When a change in the shape or structure of a weld exists, a discontinuity exists.

Question 37

The most traditionally used welding method is the shielded metal arc welding process.

Question 38

The field weld symbol "points" toward the reference line.

Question 39

When a plug weld is given a size, it is the size at the top of the weld, as opposed to the size at the bottom of the weld.

Question 40

The distance from one point on a weld length to the same corresponding point on the next weld is called the pitch.

Question 41

An extremely fast and economical welding process is ____. The welds are very clean and the process can be used with thin material or heavy plate.

A) shielded metal arc welding process
B) gas metal arc welding process
C) oxyfuel welding process
D) gas tungsten arc welding process
E) none of the above

Question 42

The ____ costs less to operate than other methods.

A) shielded metal arc welding process
B) gas metal arc welding process
C) oxyfuel welding process
D) gas tungsten arc welding process
E) none of the above

Question 43

The standard welding symbol of two parallel vertical lines is the symbol that represents a ____ weld.

A) bevel
B) square
C) V
D) triangular
E) none of the above

Question 44

High quality welds can be made rapidly with excellent uniformity on a wide variety of metals and thicknesses when using the ____ welding process.

A) soldering
B) shielded metal arc
C) gas tungsten arc
D) stick electrode
E) both b and d

Question 45

When the flush contour weld symbol is applied without any consideration for how to finish it, the welder chooses which type of finishing should be done.

Question 46

A V groove weld symbol with a "3/8" to the right of the symbol, both of which are under the reference line means ____.

A) the weld depth on the arrow side should be 3/8"
B) the depth that the weld penetrates the surface should be 3/8" on the arrow side
C) the depth that the weld penetrates the surface should be 3/8" on the other side
D) the material that this weld is being placed on is 3/8" thick, and the weld should penetrate the entire separation
E) None of the above. This is an incorrect symbol.

Question 47

The ____ is created when one piece is square and the other piece has a beveled surface.

A) bevel groove weld
B) U groove weld
C) J groove weld
D) square groove weld
E) none of the above

Question 48

A welding symbol, which consists of two lines ending on the underside of the reference line at 90° to one another, has the notation 3/8 to the left of the two lines. What does this signify?

A) A V groove weld penetrates the other side of the surface to a depth of 3/8".
B) A fillet weld penetrates the arrow side of the surface to a depth of 3/8".
C) A bevel weld penetrates the arrow side of the surface to a depth of 3/8".
D) A V groove weld penetrates the arrow side of the surface to a depth of 3/8".
E) None of the above. This is an incorrect symbol.

Question 49

The size of a fillet weld is shown on the ____ side of the reference line as (to) the weld symbol and to the ____ of the symbol.

A) other; left
B) same; left
C) other; right
D) same; right
E) none of the above

Question 50

C, M, H, R, and G are letters associated with the ____.

A) standard location of elements of a welding symbol
B) flush contour weld
C) resistance spot weld
D) welding process
E) none of the above

Question 51

The standard welding symbol, which is shaped like a right triangle with equal sides adjacent to that angle, represents a ____ weld.

A) bevel
B) square
C) V
D) triangular
E) none of the above

Question 52

The location of a weld ____.

A) depends on the type of metal material that is being used
B) is based on the type of welding process used
C) is where the materials actually combine the grain structure from one piece to the other
D) depends on the strength of the welded material
E) none of the above

Question 53

The weld symbol in which a small circle is drawn with its center at the intersection of the leader line and the reference line means ____.

A) it is a field weld
B) it is a plug and slot weld
C) to weld all around
D) to spot weld
E) none of the above

Question 54

A fillet weld with the notation "1/4?6?1/2" next to its graphic symbol means ____.

A) one weld leg length is 1/4" and the other weld leg length is 1/2"
B) one weld leg length is 1/4" and the other weld leg length is 1/2 that amount
C) one weld is 1/4" thick, and next weld in line is 1/2" thick
D) one weld (1/4") is on this side, and the other weld (1/2") is on the other side
E) none of the above

Question 55

A ____ is formed in the internal corner of the angle formed by two pieces of metal.

A) bevel weld
B) square weld
C) V weld
D) J weld
E) none of the above

Question 56

Associated with ____ applications are soldering, brazing, and braze welding.

A) shielded metal arc welding process
B) gas metal arc welding process
C) oxyfuel welding process
D) gas tungsten arc welding process
E) none of the above

Question 57

The ____ has a list of materials that generally provides a key to the assembly.

A) welding symbol
B) welding reference
C) welding assembly
D) welding equipment
E) none of the above

Question 58

____ are made in holes in a piece of metal that is lapped over another piece of metal.

A) Field welds
B) U groove welds
C) Plug welds
D) Flush contour welds
E) none of the above

Question 59

____ is popular because of low cost equipment and supplies, flexibility, portability, and versatility.

A) Shielded metal arc welding process
B) Gas metal arc welding process
C) Oxyfuel welding process
D) Gas tungsten arc welding process
E) none of the above

Question 60

Some specific common welded joints used in steel construction are exempt from tests and qualifications. The AISC and AWS refer to these joints as prequalified.

Question 61

Compression, bending, torsion, and shear are examples of the types of ____ used on welds.

A) welding processes
B) weld strength designations
C) destructive tests
D) strengthening of joints
E) none of the above

Question 62

A welding symbol consists of a flange weld with three numbers associated with it. The first number is 1/8, the second number is 3/8, and they are connected by a "+". The third number, 3/32 is shown below the first two numbers. What does this symbol mean?

A) The radius of the weld is 3/8", the distance to the weld surface from the end of the fillet is 1/8", and the depth of penetration of the weld is 3/32".
B) The radius of the weld is 3/32", the distance to the weld surface from the end of the fillet is 3/8", and the depth of penetration of the weld is 1/8".
C) The radius of the weld is 1/8", the distance to the weld surface from the end of the fillet is 3/32", and the depth of penetration of the weld is 3/8".
D) The radius of the weld is 1/8", the distance to the weld surface from the end of the fillet is 3/8", and the depth of penetration of the weld is 3/32".
E) None of the above. This is an incorrect symbol.

Question 63

A welding symbol that appears below the reference line consists of a right triangle with one of the sides touching the reference line. To the left of the triangle is the notation 3/4. To the right of the triangle is the notation 10-16. What does this symbol signify?

A) Intermittent fillet welds, 10" long with 3/4" leg lengths, are to be placed on the arrow side with a distance of 6" in between each one, or a 16" pitch.
B) Intermittent fillet welds, 10" long with 3/4" leg lengths, are to be placed on the arrow side with a distance of 16" in between each one.
C) 10 intermittent fillet welds, each with 3/4" leg lengths, are to be placed on the arrow side with a distance of 16" in between each one.
D) 16 intermittent fillet welds, each with 3/4" leg lengths, are to be placed on the arrow side with a distance of 10" in between each one.
E) None of the above. This is an incorrect symbol.

Question 64

A symbol in which a circle is below the reference line and tangent to it has the number 200 mm shown to the right of the circle. Directly below the circle is the number 6 in parentheses. The letters "SMAW" are shown in the tail. What does this symbol signify?

A) Spot welds 200 mm in diameter are to be placed on the arrow side of the object. There are to be 6 welds, each placed with the shielded metal arc welding process.
B) 6 spot welds are to be placed on the arrow side of the object 200 mm apart with the welds placed with the shielded metal arc welding process.
C) Seam welds are to be placed on the arrow side of the object, 200 mm apart with the welds penetrating a distance of 6 mm.
D) A weld all around with a thickness of 200 mm is to be placed with a penetration of 6 mm.
E) None of the above. This is an incorrect symbol.

Question 65

The ____ uses a high temperature gas flame to preheat the metal to a kindling temperature, at which time a stream of pure oxygen is injected.

A) gas tungsten arc welding process
B) shielded metal arc welding process
C) stick electrode welding process
D) braze welding process
E) none of the above

Question 66

A welding symbol that is applied to a flange is placed on the top of the reference line. To the left of the symbol is the notation "1/16 + 3/16". Above this notation is the notation "5/16". What does this welding symbol signify?

A) A flange weld 1/16" in depth is placed on the arrow side. The radius of the fillet is 3/16" and the distance from the tangent of the radius to the weld surface is 5/16".
B) A flange weld 3/16" in depth is placed on the other side. The radius of the fillet is 1/16" and the distance from the tangent of the radius to the weld surface is 5/16".
C) A flange weld 1/16" in depth is placed on the other side. The radius of the fillet is 5/16" and the distance from the tangent of the radius to the weld surface is 3/16".
D) A flange weld 1/16" in depth is placed on the other side. The radius of the fillet is 3/16" and the distance from the tangent of the radius to the weld surface is 5/16".
E) None of the above. This is an incorrect symbol.

Question 67

____ is a process of resistance welding where the base materials are clamped between two electrodes and a momentary electric current produces the heat for welding at the contact spot.

A) Square groove welding
B) Spot welding
C) Plug welding
D) Flange welding
E) none of the above

Question 68

A V groove weld symbol shows (7/16) to the left of the weld symbol along with a 3/8 to the left of (7/16), both of which are under the reference line. The notation "OAWMA" is in the tail. This welding symbol means ____.

A) the weld depth on the arrow side should be 3/8", and the root penetration should be 7/16". The depth of the chamfering should be 1/16". The welding process is to be by oxyhydrogen welding with machine welding.
B) the depth of the chamfering should be 3/8" on the arrow side, the root penetration should be 1/16", and the total weld depth should be 7/16". The welding process is to be by oxyacetylene welding with manual welding.
C) the depth that the weld penetrates the surface should be 7/16" on the arrow side and the root penetration should be 3/8". The welding process is to be by oxyacetylene welding with manual welding.
D) the weld depth on the arrow side should be 7/16" and the root penetration should be 3/8". The depth that the weld penetrates the surface should be 1/16". The welding process is to be by oxyacetylene welding with manual welding.
E) None of the above. This is an incorrect symbol.

Question 69

The depth of penetration of flare-formed groove welds is assumed to extend to ____.

A) the ends of the members
B) the tangent points of the members
C) the distance equal to the width of the members
D) the closest flush surface of the members
E) none of the above

Question 70

A J groove weld is to be made at a joint on the arrow side. The weld is to undergo a nondestructive radiographic test and the angle at which the test is to be made is 25° from vertical. Which of the following describes how this welding symbol will look?

A) The reference line has the symbol for a J groove weld under it. The notation "RT" is on the top of the reference line. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked.
B) The reference line has the notation "RT" under it along with the symbol for a J groove weld. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked.
C) Two parallel reference lines are used and they are both connected to the leader line. The lower reference line has the notation "RT" under it, and the upper reference line has the symbol for a J groove weld under it. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked.
D) Two parallel reference lines are used and they are both connected to the leader line. The upper reference line has the notation "RT" under it, and the lower reference line has the symbol for a J groove weld under it. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked.
E) none of the above

Question 71

A welding symbol has a circle on the reference line with its center at the intersection of the reference line and leader line. Another circle has its center at the middle of the reference line. Next to this circle is the notation "40". A vertical line starts at the center of the first circle and is drawn upwards, and a small filled in equilateral triangle is attached to the top with one side on the vertical line. What does this welding symbol signify?

A) A weld is to be made all around. The kind of weld is not specified. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
B) 40 spot welds are to be made all around in the field.
C) 40 welds are to be made all around. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
D) A weld is to be made all around in the field. The weld will have a minimum shear strength of 40 pounds per linear inch of weld.
E) None of the above. This is an incorrect symbol.

Question 72

A V groove weld symbol showing (3/8) along with a 1/2 to the left of the symbol, both of which are under the reference line means ____.

A) the weld depth on the arrow side should be 3/8", and the root penetration should be 1/2"
B) the depth that the weld penetrates the surface should be 3/8" on the arrow side and the root penetration should be 1/2"
C) the depth that the weld penetrates the surface should be 1/2" on the other side and the root penetration should be 3/8"
D) the depth that the weld penetrates the surface should be 1/2" on the arrow side and the root penetration should be 3/8"
E) None of the above. This is an incorrect symbol.

Question 73

The (A) ____ is a detailed statement of the legal requirements for a specific classification or type of product.

A) AWS publication
B) ANSI publication
C) AISC publication
D) welding specification
E) none of the above

Question 74

A series of 3/4" in diameter plug welds is to be made on the other side. The angle of the welds is to be 35°, the depth of each weld is to be 3/16", and the pitch is to be 6. What will this welding symbol look like?

A) A small horizontal rectangle is placed with the bottom length on the reference line. Inside the rectangle is the notation 3/4, above the rectangle is the notation 35°, to the right of the rectangle is the notation 6, and to the left of the rectangle is the notation 3/16.
B) A small horizontal rectangle is placed with the bottom length on the reference line. Inside the rectangle is the notation 3/16, above the rectangle is the notation 35°, to the left of the rectangle is the notation 6, and to the right of the rectangle is the notation 3/4.
C) A small horizontal rectangle is placed with the bottom length on the reference line. Inside the rectangle is the notation 3/16, above the rectangle is the notation 35°, to the right of the rectangle is the notation 6, and to the left of the rectangle is the notation 3/4.
D) A small horizontal rectangle is placed with the top length on the reference line. Inside the rectangle is the notation 3/16, below the rectangle is the notation 35°, to the right of the rectangle is the notation 6, and to the left of the rectangle is the notation 3/4.
E) none of the above

Question 75

A reference line has the notation "MT6" under it. What does this designation mean?

A) The maximum torsion destructive test is performed on 6 inches of the weld on the arrow side of the object.
B) The magnetic particle nondestructive test is performed on 6 inches of the weld on the arrow side of the object.
C) The metal arc welding process is performed on 6 inches of the weld on the arrow side of the object.
D) The machine welding method of the welding process is performed on 6 inches of the weld on the arrow side of the object.
E) none of the above

Question 76

A welding symbol consists of a small horizontal rectangle whose upper length is on the reference line. Below the rectangle is the designation 25°. To the left of the rectangle is the notation 3/4. What does this symbol mean?

A) This is a plug weld, which is to fill a hole in one piece of metal that is lapped over another piece of metal. The hole is 3/4 inch wide at the top. The weld will have an overall angle of 25° from the top of the weld to the bottom of the weld.
B) This is a slot weld, which is to fill a slot in one piece of metal that is lapped over another piece of metal. The slot is 3/4 inch wide at the base. The weld will have an overall angle of 25° from the base of the weld to the top of the weld.
C) This is a plug weld, which is to fill a hole in one piece of metal that is lapped over another piece of metal. The hole has a 3/4 inch wide diameter. The weld will have an overall angle of 25° from the base of the weld to the top of the weld.
D) This is a flush weld, which is to fill an outside corner of two pieces of material. The corner is 3/4 inch wide at the base. The weld will have an overall angle of 25° from the base of the weld to the top of the weld.
E) None of the above. This is an incorrect symbol.

Question 77

A small horizontal rectangle is e placed with the bottom length on the reference line. Inside the rectangle is the notation 9/16, above the rectangle is the notation 25°, to the right of the rectangle is the notation 12, and to the left of the rectangle is the notation 5/8. What does this welding symbol signify?

A) A series of 5/8" in diameter plug welds is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12.
B) A series of slot welds 5/8" in width is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12.
C) A series of 5/8" in diameter plug welds is to be made on the arrow side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12.
D) A series of 9/16" in diameter plug welds is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 5/8", and the pitch is to be 12.
E) None of the above. This is an incorrect symbol.

Question 78

For ____ welding symbols, the leader arrow connects the welding symbol reference line to the outer surface of one of the members of the joint at the center line of the desired weld, and the member that the arrow points to is considered the arrow side member.

A) resistance
B) seam
C) plug
D) spot
E) all of the above

Question 79

A welding symbol consists of a circle whose center is at the middle of the reference line. Two lines go through the circle parallel to the reference line, one above the reference line and one below it. To the left is the notation 0.22 and to the right is the notation 3.44. What does this welding symbol signify?

A) This symbol means that a continuous spot weld is to be placed between or upon overlapping members. The width of the weld is to be 0.22 inches, and the length of the weld is to be 3.44 inches.
B) This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 3.44 inches, and the length of the weld is to be 0.22 inches.
C) This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 3.44 inches, and the penetration of the weld is to be 0.22 inches.
D) This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 0.22 inches, and the length of the weld is to be 3.44 inches.
E) None of the above. This is an incorrect symbol.

Question 80

If a joint is to have a 1/2" fillet welds 3" long with 12" weld pitch, what will the welding symbol be?

A) The rectangular fillet welding symbol has a notation of 1/2 on the left side of the triangle, and a notation of 312 on the right side of the triangle.
B) The triangular fillet welding symbol has a notation of 1/2 on the left side of the triangle, and a notation of 3-12 on the right side of the triangle.
C) The triangular fillet welding symbol has a notation of 1/2 on the right side of the triangle, and a notation of 312 on the left side of the triangle.
D) The triangular fillet welding symbol has a notation of 1/2 on the left side of the triangle, and a notation of 312 on the right side of the triangle.
E) none of the above