Deck 22: Welding Joint Design and Welding Symbols

Question 1

For most welding processes, plates that are thicker than ____ may be grooved on both the inside and outside of the joint.

A) 1/4 inch
B) 3/8 inch
C) 1/2 inch
D) 5/8 inch

Answer 1

B

Question 2

In a(n) ____ joint the metal surfaces are placed together so the edges are even.

A) edge
B) outside corner
C) tee
D) lap

Answer 2

A

Question 3

The ____ joint is often the best choice for horizontal butt welding.

A) double V
B) square
C) double J
D) bevel

Answer 3

D

Question 4

In the ____ position, the pipe is parallel to the horizon and the weld is made vertically around the pipe.

A) Inclined with a restriction ring 6GR
B) Horizontal fixed 5G
C) Vertical 2G
D) Inclined 6G

Question 5

The strength of spot welds is shown as the minimum shear strength in pounds (newtons) per spot and is shown ____ the weld symbol.

A) to the left of
B) to the right of
C) above
D) below

Question 6

Which of the following is true about choosing a joint design?

A) The ability of a welded joint to withstand stress depends mostly on weld integrity not joint design.
B) Base metal does not play a part in joint design.
C) The rate of travel, penetration, deposition rate, and heat input affect the welds used on some joint designs.
D) The least suitable welding position for most joints is the flat position because it is generally not as strong.

Question 7

In the ____ position, the pipe is vertical to the horizon and the weld is made horizontally around the pipe.

A) Horizontal rolled 1G
B) Horizontal fixed 5G
C) Vertical 2G
D) Inclined 6G

Question 8

____ can ensure 100% joint fusion at the root and remove discontinuities of the root pass.

A) Tack welding
B) Single bevels
C) Double bevels
D) Back gouging

Question 9

In the ____ position, the pipe is rolled either continuously or intermittently so that the weld is performed within 0 to 15 degrees of the top of the pipe.

A) Horizontal rolled 1G
B) Horizontal fixed 5G
C) Vertical 2G
D) Inclined 6G

Question 10

On larger welding jobs where would the welder find missing information about the joint design?

A) Ask some of the other welders who have made the same part before.
B) Call the draftsman who made the drawing.
C) Look in the book to see what would be the best joint to pick for this weldment.
D) On the welding drawings and in the specifications.

Question 11

In a(n) ____ joint the edges of the metal meet so that the thickness of the joint is approximately equal to the thickness of the metal.

A) tee
B) lap
C) butt
D) outside corner

Question 12

Holes in the arrow side member of a joint for plug welding are indicated by placing the weld symbol ____ the reference line.

A) next to
B) above and below
C) below
D) above

Question 13

Plates in the flat position are usually ____ unless they can be repositioned or are required to be welded on both sides.

A) not grooved
B) grooved on both sides
C) grooved on only one side
D) grooved with a single bevel

Question 14

On thin sections it is often possible to make full penetration welds using a(n) ____ joint.

A) square butt
B) lap
C) tee
D) outside corner

Question 15

In a(n) ____ joint the edge of a piece of metal is placed on the surface of another piece of metal.

A) tee
B) lap
C) outside corner
D) edge

Question 16

In a(n) ____ joint the edges of the metal overlap so the thickness of the joint is approximately equal to the combined thickness of both pieces of metal.

A) tee
B) lap
C) outside corner
D) edge

Question 17

If the weld is to be deposited on the other side of the joint (far side), the weld symbol is placed ____ the reference line.

A) next to
B) above and below
C) below
D) above

Question 18

In a(n) ____ joint the edges of the metal are brought together at an angle, usually around 90 degrees to each other.

A) butt
B) tee
C) outside corner
D) edge

Question 19

Holes in the other side member of a joint for plug welding are indicated by placing the weld symbol ____ the reference line.

A) above and below
B) next to
C) below
D) above

Question 20

In the ____ position, the pipe is fixed in a 45 degree inclined angle, and the weld is made around the pipe.

A) Inclined with a restriction ring 6GR
B) Horizontal fixed 5G
C) Vertical 2G
D) Inclined 6G

Question 21

The strength value of a seam weld is placed ____ the weld symbol.

A) to the right of
B) to the left of
C) above
D) below

Question 22

Which of the following is true about grooves?

A) There are six groove types.
B) The groove may not be cut with a saw.
C) The groove can only be made on one plate.
D) Joint strengths can be improved by making a groove preparation before the joint is welded.

Question 23

​Which type of weld joint can be fitted together so that the joint forms a V-groove or square butt joint?

A) ​butt
B) ​tee
C) ​outside corner
D) ​edge

Question 24

The purpose of a(n) ____________________ is to join parts together so that the stresses are distributed.

Question 25

​Which type of force on a weld joint would be trying to twist the joint?

A) ​tensile
B) ​torsion
C) ​shear
D) ​compression

Question 26

​What does the term prequalified joint mean?

A) ​It means that the welder must be qualified before they can make the weld.
B) ​It means that the weld has been inspected and is ready to be welded.
C) ​It refers to a joint that has been tested and found to be reliable.
D) ​The boss has looked at the weld and feels it is ready to be tested.

Question 27

​Which of the following is not a classification of a type of weld?

A) ​surface
B) ​plug
C) ​face
D) ​seam

Question 28

____________________ are a shorthand language for the welder.

Question 29

The term ____________________ refers to the way pieces of metal are put together or aligned with each other.

Question 30

​What does the term faying surface relate to?

A) ​The surface of a joint that will be melted during the weld.
B) ​The frayed edges of welder's pants, shirt, or other clothing.
C) ​The surface that cannot be seen directly such as the inside of a pipe weld joint.
D) ​It is the outside of the pipe or sides of a weld joint that have been cleaned for welding.

Question 31

The faying surface can be shaped before welding to increase the weld's strength; this is called ____________________.

Question 32

​The forces causing stresses in welded joints are ____.

A) ​joint position, layout, base metal, and groove type
B) ​tensile, compression, bending, torsion, and shear
C) ​tensile, stretching, heat, and penetration
D) ​tensile, velocity, chemistry, stretch, and compression

Question 33

​Usually, the larger the weld pool, ____.

A) ​the slower the joint can be completed
B) ​the faster the joint can be completed
C) ​the stronger the joint
D) ​the weaker the joint

Question 34

​The terms arrow side, other side, and both sides are used to indicate the ____.

A) ​weld location with respect to the joint
B) ​dimensions of the part
C) ​type of joint
D) ​root opening

Question 35

​Which of the following would not be a NDT type test of a weld.

A) ​tensile
B) ​visual
C) ​leak
D) ​penetrant

Question 36

When the length of a seam weld is indicated on the symbol, it is shown ____ the weld symbol.

A) to the left of
B) to the right of
C) above
D) below

Question 37

​What type of edge preparation for a butt joint on a thick section of magnesium would need to be made?

A) ​U-groove
B) ​Single bevels
C) ​V-groove
D) ​Back gouging

Question 38

____________________ joints are usually welded on only one side.

Question 39

​Which of the following would not be found on a welding symbol?

A) ​length of the weld and height of reinforcement
B) ​filler metal and number of welds
C) ​weld shape and location
D) ​type of metal and color of paint to be used

Question 40

​What has to be done to ensure that the weld has 100% penetration on thick plate or pipe?

A) ​The part must be preheated to above 350°F (175°C) before welding starts.
B) ​The welding machine needs to be set on its maximum amperage setting.
C) ​Make the molten weld pool as large as possible so it will melt all the way through.
D) ​The edges of the weld plate or pipe must have some type of groove made before welding.

Question 41

Describe how the members of a tee joint come together.

Question 42

List the reasons for preparing the faying surfaces for welding.

Question 43

The ____________________ of seam welds is designated as the minimum acceptable shear strength in pounds per linear inch.

Question 44

How might joint design influence welding cost?

Question 45

It is easier for a crack to propagate through a continuous weld than it is on an ____________________ weld where it has to restart at the beginning of each weld.

Question 46

A(n) ____________________ is designated by a right triangle.

Question 47

The ____________________ is added to the basic welding symbol when it is necessary to designate the welding specifications, procedures, or other supplementary information needed to make the weld.

Question 48

Should the backing strip be left on the finished weld or removed following welding? How is that indicated?

Question 49

The size of the root face is important to ensure good ____________________.

Question 50

Describe the four basic plate welding positions for grooves and fillet welds.