120102f Flashcards by Megan Read

The purpose of welding symbols is to
A) make the drafting job complete
B) convey necessary, welding information from designer to welder
C) specify the type of weld to use
D) convey necessary, weld dimensions

B) convey necessary, welding information from designer to welder

How well did you know this?

Not at all

Perfectly

Define weld symbol

A pic graph that indicates the desired type of weld

How well did you know this?

Not at all

Perfectly

List four types of welds included in the basic weld symbols

Surfacing
Fillet
Plug or slot
Groove

How well did you know this?

Not at all

Perfectly

Define welding symbol

A welding symbol is an assembled symbol that combines multiple weld symbols into one. Giving all the information necessary for preparing and or welding the joint.

How well did you know this?

Not at all

Perfectly

List eight elements of a welding symbol

Reference line
Arrow line
Basic weld symbols
Dimensions and other data
Supplementary symbols
Finish symbols
Tail
Specifications process or other references

How well did you know this?

Not at all

Perfectly

Briefly describe and explain those supplementary welding symbols for each of the following
A) weld all around
B) field weld
C) contour and finish
D) Melt through

A) a joint that requires welding all around one side or both sides of shown is designated by an open circle where one arrow line joins the reference line
B) fields are indicated by a solid black flag, pointing to the weld symbol located where the airline joins the reference line
C) a contour symbol is used to indicate the desired shape of the weld surface as concave, flat or convex. It may be accompanied by a letter (M, C or G for machined, chipped or ground) to indicate how the shape is attained.
D) a solid semi circle opposite a groove weld symbol indicates that penetration through the thickness of the material is required. This weld is done from the same side as the groove weld.

How well did you know this?

Not at all

Perfectly

Of the eight elements of a welding symbol, which two must always appear

A reference line
Arrow line

How well did you know this?

Not at all

Perfectly

Briefly explain the following terms
A) arrow side
B) other side
C) both sides

A) the arrow side of the welding symbol refers to the bottom of the reference line closest to the reader when reading the drawing. It refers to welding done on the side of the weld joint to where the airline points.
B) The other side of the welding symbol refers to the top side of the reference line farthest from the reader. It refers to the welding done on the side of the weld joint opposite to where the airline points.
C) with the exception of the melt through symbol, weld symbols the appear on both sides of the reference line mean that the welding is done on both sides of the weld joint

How well did you know this?

Not at all

Perfectly

What is the purpose of a broken arrow line?

A broken airline is used with bevel groove, and J groove weld symbols to indicate which side of the joint requires the preparation. The break is preferred, but maybe ignored if the joint design makes it obvious which side needs preparation.

How well did you know this?

Not at all

Perfectly

The tail on a welding symbol is used for
A) determining arrow side or other side
B) joints using fillet we only
C) information that cannot be put into symbol form
D) indicating which side of the joint must be prepared

C) information that cannot be put into symbol form

How well did you know this?

Not at all

Perfectly

List three weld symbols that have one leg perpendicular to the reference line

Fillet weld symbol
Bevel groove weld symbol
J groove weld symbol

How well did you know this?

Not at all

Perfectly

In a correctly, drawn, welding symbol the reference line must
A) have a single arrow only
B) be drawn horizontally
C) be drawn with a tail
D) have all weld symbols on the arrow side

B) be drawn horizontally

How well did you know this?

Not at all

Perfectly

A field weld is shown on the welding symbol by a
A) solid black circle
B) notation in the tail
C) ring around the weld symbol
D) solid black flag

D) solid black flag

How well did you know this?

Not at all

Perfectly

A surfacing weld symbol is always drawn on the ________ side of the reference line
A) arrow
B) other
C) right
D) left

A) arrow

How well did you know this?

Not at all

Perfectly

A weld symbol must’ve picked the
A) three most essential elements of the weld
B) desired shape of the weld to be applied
C) joint dimensions and welding process
D) member that is to be prepared and where it is welded

B) desired shape of the weld to be applied

How well did you know this?

Not at all

Perfectly

Question 16 on page 37. Draw the welding symbol for each description.
A) single J groove weld, other side, fillet weld, arrow side
B) fillet weld, both sides, arrow side made flat by chipping
C) fillet weld, arrow side, single bevel groove weld other side
D) single U groove weld, all around, arrow side
E) fillet weld all around, other side, field weld to specification J – 2
F) single square groove weld, arrow side
G) double Vee groove weld, finished flat by welding arrow side
H) single J groove weld arrow side, single U groove weld other side
I) single Vee groove weld other side, back weld arrow side.
J) single bevel groove weld arrow side, melt through is to be ground flat
K) surface to be built by welding
L) plug weld on other side, machine flat
M) slot weld on arrow side to specification 23
N) double square groove weld, arrow side, made convex by chipping, other side made flat by grinding
O) staggered intermittent fillet weld to specification A3
P) double J groove weld with fillet weld on arrow side
Q) fillet weld on other side, single bevel, groove weld and fillet weld on arrow side
R) single Vee groove weld other side, single U groove weld arrow side
S) chain, intermittent fillet welds, 50 mm long, 200 mm pitch, both sides, arrow side ground flat
T) double bevel groove weld with fillet weld on other side
U) double U groove weld, arrow side welded flat
V) single bevel groove weld other side, single J groove weld arrow side
W) double J groove welds with fillet welds both sides
X) single square groove weld and fillet weld on arrow side single bevel groove weld on other side

Find all answers to question 16 on page 49

How well did you know this?

Not at all

Perfectly

Complete question 17 on pages 38 and 39
Describing the welds represented by the welding symbols in figure 66

A) single J groove weld, other side, fillet weld arrow side
B) fillet weld both sides, arrow side made flat by chipping
C) fillet weld arrow side, single bevel groove weld other side
D) single U groove weld, all around, arrow side
E) fillet weld all around, other side field weld to specification J – 2
F) single square groove weld, arrow side
G) double Vee groove, weld, finished flat by welding arrow side
H) single J groove weld arrow side, single U groove, weld other side
I) single Vee grove weld other side, back weld arrow side
J) single bevel groove weld arrow side, melt through is to be ground flat
K) surface to be built up by welding
L) plug welded on other side, machine flat
M) slot weld on arrow side to specification 23
N) double square groove weld, arrow side, made convex by chipping, other side made flat by grinding
O) staggered intermittent fillet welded to specification a3
P) double groove welded with fillet welded on arrow side
Q) welded on other side, single bevel, groove weld and fillet weld on arrow side
R) single Vee groove weld other side, single U groove weld arrow side
S) chain intermittent fillets welds, 50 mm long, 200 mm pitch, both sides, arrow side, ground flat
T) double bevel groove weld with fillet weld on other side
U) double U groove weld, arrow side welded flat
V) single bevel groove weld other side, single J groove weld arrow side
W) double J groove welds with fillet welds both sides
X) single square groove weld and fillet weld on arrow side single bevel groove weld on other side

How well did you know this?

Not at all

Perfectly

Complete all parts of question 18 on page 40–46

Answers to be found on page 51

How well did you know this?

Not at all

Perfectly

Complete question 19 on page 42 to 43

Answers to be found on page 52

How well did you know this?

Not at all

Perfectly

Complete question 20 on page 44

A) First step: U groove preparation is welded on the arrow side in the field. Second step.: joint is back gouged to sound metal with U groove configuration, and welded in the field
B) first step: single bevel groove preparation is welded all around from the arrow side in the field with full penetration as indicated by the melt through symbol
Second step: Philly weld is applied all around on the arrow side in the field

How well did you know this?

Not at all

Perfectly

What is this weld symbol for?
a) weld around corner
b) test entire weld
c) weld all around
d) see rotated view

c) weld all around

How well did you know this?

Not at all

Perfectly

What is this weld symbol for?
a) back/backing
b) melt through
c) weld all around
d) surfacing

b) melt through

How well did you know this?

Not at all

Perfectly

What is this weld symbol for?
a) edge
b) consumable insert (square)
c) weld all around
d) plug

b) consumable insert (square)

How well did you know this?

Not at all

Perfectly

What is this weld symbol for?
a) backing or spacer (rectangle)
b) consumable insert (square)
c) weld all around
d) plug/slot

a) backing or spacer (rectangle)

How well did you know this?

Not at all

Perfectly

What is this weld symbol for? a) backing or spacer (rectangle) b) consumable insert (square) c) weld all around d) flush or flat contour marking

d) flush or flat contour marking

What is this weld symbol for? a) convex contour marking b) consumable insert (square) c) weld all around d) flush or flat contour marking

a) convex contour marking

What is this weld symbol for? a) convex contour marking b) consumable insert (square) c) concave contour marking d) flush or flat contour marking

c) concave contour marking

What is this weld symbol for? a) fillet weld b) melt through c) weld all around d) fillet weld both sides

a) fillet weld the dashed line is only showing where the fillet weld could be. It is not a reference line showing a fillet weld on both sides

What is this weld symbol for? a) fillet weld b) melt through c) weld all around d) plug or slot weld

d) plug or slot weld

What is this weld symbol for? a) fillet weld b) stud weld c) weld all around d) plug or slot weld

b) stud weld

What is this weld symbol for? a) fillet weld b) stud weld c) spot or projection d) plug or slot weld

c) spot or projection

What is this weld symbol for? a) fillet weld b) stud weld c) seam weld d) plug or slot weld

c) seam weld

What is this weld symbol for? a) fillet weld b) stud weld c) back or backing d) plug or slot weld

c) back or backing

What is this weld symbol for? a) fillet weld b) surfacing c) back or backing d) plug or slot weld

b) surfacing

What is this weld symbol for? a) edge weld b) surfacing c) back or backing d) plug or slot weld

a) edge weld

What is this weld symbol for? a) edge weld b) square groove weld c) back or backing d) plug or slot weld

b) square groove weld

What is this weld symbol for? a) scarf groove weld b) square groove weld c) back or backing d) plug or slot weld

a) scarf groove weld

What is this weld symbol for? a) scarf groove weld b) square groove weld c) vee groove weld d) plug or slot weld

c) vee groove weld

What is this weld symbol for? a) scarf groove weld b) square groove weld c) vee groove weld d) bevel groove weld

d) bevel groove weld

What is this weld symbol for? a) J groove weld b) U groove weld c) vee groove weld d) bevel groove weld

b) U groove weld

What is this weld symbol for? a) J groove weld b) U groove weld c) vee groove weld d) bevel groove weld

a) J groove weld

What is this weld symbol for? a) J groove weld b) U groove weld c) flared vee groove weld d) bevel groove weld

c) flared vee groove weld

What is this weld symbol for? a) J groove weld b) U groove weld c) flared vee groove weld d) flared bevel groove weld

d) flared bevel groove weld

A weld symbol indicates:

the desired type of weld

A supplementary weld symbol is never used without: a) basic weld symbol b) contour weld symbol c) arrow line d) reference line

a) basic weld symbol

The welding symbol is an assembled symbol that combines multiple weld symbol into one. List 3 of the 8 symbols.

1. reference line 2. arrow line 3. basic weld symbols 4. dimensions and other data 5. supplementary symbols 6. finish symbols 7. tail 8. specifications, process or other references

True or false The construction of weld symbols and welding symbols must adhere to a set of basic rules to support standardized scheme of delivering information

True

__________ forms the base for welding symbols. It is always drawn horizontally. a) tail line b) reference line c) arrow line d) broken arrow line

b) reference line

The ________ may extend from either end of the reference line at any angle other than horizontal. More than one may be used. a) tail line b) reference line c) arrow line d) broken arrow line

c) arrow line

Weld symbols originate from the _____ and are placed above, below or on both sides of the ______ depending on the location of the welds. a) tail line b) reference line c) arrow line d) broken arrow line

b) reference line

What are the 3 symbol orientations?

arrow side other side both sides

______ welds that are to be placed on the side of the joint where the arrow line points must have the corresponding weld symbol on the bottom of the reference line.: a) arrow side b) other side c) both sides

a) arrow side

______ welds are to be placed on the side of the joint opposite where the arrow line points have the weld symbol on the top of the reference line a) arrow side b) other side c) both sides

b) other side

________ welds are placed on both sides of the joint, the weld symbols are placed on both sides of the reference line. a) arrow side b) other side c) both sides

c) both sides

__________ is used with J groove and bevel groove preparations when it is necessary to indicate which member of the joint is to be prepared. a) tail line b) reference line c) arrow line d) broken arrow line

d) broken arrow line

A ______ weld does not indicate the welding of a joint and has arrow side significance only. a) surfacing weld symbol b) contour weld symbol c) basic weld symbol d) broken arrow line

a) surfacing weld symbol - the symbol is drawn only on the arrow side of the reference line with the arrow drawn to clearly point to the surface on which the weld is being deposited.

________ is an isosceles triangle drawn with the left leg perpendicular to the reference line. a) slot b) butt c) vee d) fillet

d) fillet

All angular lines on weld symbols and the tail are drawn at _____ to the reference line a) 25° b) 35° c) 45° d) 55°

c) 45°

There are 5 types of groove weld symbols, what are they

1. square groove weld 2. vee groove weld 3. bevel groove weld 4. U groove weld 5. J groove weld

What weld is the square groove weld symbol used for: a) plug/ slot b) butt c) vee d) fillet

b) butt joints when no plate edge prep is required, although dimensioning may be used to specify the amount of penetration when no prep is specified.

_____ is used when only one side of the joint requires preparation. Left leg is always vertical a) Bevel groove weld b) U groove weld c) Vee groove weld d) J groove weld

a) Bevel groove weld * When a double bevel joint is shown, the vertical legs are drawn in line with each other.

The _____ symbol is drawn on a short vertical line that touches the reference line. a) Bevel groove weld b) U groove weld c) Vee groove weld d) extended Vee groove weld

b) U groove weld This configuration is common where heavy material is to be welded or when the joint is back gouged for welding the second side.

CSA standards use a dotted U or J to indicate prep of the groove by ____ process. a) CAC-A b) CAC c) acetone cleaning d) grinding

a) CAC-A Carbon arc - air process

The ______ requires preparation of one side of the joint only. a) Bevel groove weld symbol b) U groove weld symbol c) Vee groove weld symbol d) J groove weld symbol

d) J groove weld symbol

What 2 symbols are shown a) Bevel groove weld symbol b) U groove weld symbol c) Vee groove weld symbol d) J groove weld symbol

a) Bevel groove weld symbol d) J groove weld symbol * The vertical leg is on the left side regardless of where the arrow line is.

Weld beads that are used as a back or backing on a single groove joints are indicated with the back or backing weld symbol. The symbol is a _____ placed on the reference line. a) outline of a triangle b) outline of a rectangle c) outline of a square d) outline of a semi circle

d) outline of a semi circle

A backing weld is completed ______ a) first before welding the butt weld b) first before welding the groove weld c) first before welding the seam weld d) first before welding the stud

b) first before welding the groove weld * when a single reference lines are used a note is required on the tail of the welding symbol to indicate whether the weld is a back or a backing weld

a back weld is done_____ a) last after welding the butt weld b) last after welding the groove weld c) last after welding the seam weld d) last after welding the stud

b) last after welding the groove weld * when a single reference lines are used a note is required on the tail of the welding symbol to indicate whether the weld is a back or a backing weld

These symbols are only used when additional info about the weld is required a) Basic weld symbols b) Dimensional symbols c) Supplementary symbols d) Finish symbols

c) Supplementary symbols

Supplementary symbols include: a) weld all around b) melt through c) the tail d) all of the above

d) all of the above The full list: - weld all around - melt through - the tail - field weld - joints with backing or spacers - contour and finishing

A joint that requires _______ one side (or both if shown) is designated by an open circle where the arrow joins the reference line a) weld all around b) melt through c) spot/projection d) seam

a) weld all around

Field symbols indicate joints to be completed on the worksite. Usually due to the use of subassemblies. it is indicated by: a) two half circles b) circle with an X through it c) rectangle d) flag

d) flag

CSA W59 recommends that the field weld symbol point towards the tail of the weld symbol where other symbols are located. True / False

True

R indicates: a) material identification b) material specifications to be located in the tail c) backing to be removed after welding d) material identification & removed after welding

c) backing to be removed after welding

MR indicates: a) material identification b) material specifications to be located in the tail c) backing to be removed after welding d) material identification & removed after welding

d) material identification & removed after welding

The melt through symbol is used when groove welds are done from one side only and full penetration is required. Which symbol is for melt through

When the surface contour of a weld is specified, a contour symbol is added to the weld symbol. Three contour symbols are:

1. flat, flush 2. convex and 3. concave.

The ______ is added to the end of the reference line opposite the arrow line when reference is made to: * specification data, * the cutting or welding process, * other reference material about the weld that cannot be placed in symbol form and * information pertaining to the weld that is located elsewhere on the drawing, which saves repeating the information in the welding symbol. a) flag b) tail c) reference line d) dashed line

b) tail

Companies have developed their own codes. eg. if their company typically uses 1/4" fillet welds some may use TYP(typical) or CO STD (company standard) in the tail rather than specifying it each time. True or False

True

CSA uses the abbreviation of GTSM in the tail of the symbol to specify: a) gouge to sound metal b) grind to sound metal

a) gouge to sound metal

What process does OAW stand for?

Oxy-acetylene welding

What process does PAW stand for?

Plasma arc welding

What process does CAC stand for?

carbon arc cutting

What process does CAC-A stand for?

Air carbon arc cutting

What process does OFC stand for?

Oxyfuel cutting

The weld symbols must be placed in a logical order of progression, starting from the reference line. True or False

True

Multiple reference lines give added capabilities to the welding symbols. They provide information relative to: a) sequence of welding operations b) supplementary data for that weld symbol c) test symbols for exam after weldment completion d) all of the above

d) all of the above

The operation that you complete first is shown on the reference line nearest ______ a) the arrow b) the tail c) middle of the reference line d) this doesn't matter the order is labeled on the drawing

a) the arrow

To distinguish the correct weld sequence you need to know if the semi-circle weld is a backing weld (done first) or a back weld (done last). True / False

True

When multiple reference lines are applied to the basic weld symbol, the weld all around and field weld symbols may be added to one or all of the reference lines. The tail may also be added True or False

True

Dimensions for the size of a weld are placed to the ____ weld symbol. a) above the b) below the c) left of the d) right of the

c) left of the * This may include the depth of preparation and penetration, the effective throat and/or the actual weld size.

The units of measure in the weld symbols are: a) the same as the drawing b) scaled c) imperial d) metric

a) the same as the drawing

Dimensions for the length of weld are placed to the _____ of the weld symbol. a) above the b) below the c) left of the d) right of the

d) right of the * This is most common with fillet welds, especially for intermittent welding

Dimensions for joint spacing and edge preparation for _____ welds are located within the groove weld symbol. a) fillet b) butt c) edge d) groove

d) groove

Surface weld dimensions are located: a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

c) left of the weld symbol * on the arrow side of the reference line

The size of a _____ weld refers to the diameter of its hole at the base of the weld. a) fillet b) plug c) edge d) groove

b) plug

The diameter of a plug weld can be found: a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

c) left of the weld symbol

What is a term that describes the centre to centre spacing?

pitch

Pitch dimensions can be found to the a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

d) right of the weld symbol

Dimensions for _____ welds are either supplied in the general notes on the drawing, or they are included in the welding symbol to indicate their size and length. a) fillet b) plug c) edge d) groove

a) fillet

All fillet welds are to be _____ in size unless otherwise noted. a) 1/8" b) 1/4" c) 3/8" d) 5/16"

c) 3/8"

The size of _____ leg fillet welds is shown to the left of the weld symbol. This refers to the length of both legs of the triangle formed by the fillet a) mirrored b) dual c) equal d) unequal

c) equal

The size of fillet welds with unequal legs is to the _____ of the weld symbols a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

c) left of the weld symbol

The length of a fillet weld is shown to the ____ of the weld symbol a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

d) right of the weld symbol

Fillet welds do not always have to be welded continuously across a member. To save time and money, they may be welded intermittently on one side or on both sides. What are the 3 types of intermittent welds?

intermittent fillet weld chain intermittent staggered intermittent

______ welds are placed intermittently on one side of the joint. a) intermittent fillet b) chain intermittent c) staggered intermittent

a) intermittent fillet weld

Dimensioning is on the _____ of the intermittent fillet weld symbol, a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

d) right of the weld symbol

_______ fillet welds are located on both sides of the joint with the welds located directly opposite each other. a) intermittent fillet b) chain intermittent c) staggered intermittent

b) chain intermittent

Staggered intermittent fillet welds are staggered or offset from one side to the other along the length of the joint True or False

True

Staggered intermittent fillet welds symbols are found staggered on opposite sides of the reference line True or False

True

Welds across solid members have weld symbols that can not cross through a solid member in a joint. True or False

True

removed

_____ usually refers only to the depth of preparation for the groove weld. a) pitch b) weld size c) effective throat d) throat size

b) weld size

The _______ of groove welds is the total thickness of material fused in the weld. a) pitch b) weld size c) effective throat d) throat size

c) effective throat

a) What does E indicate? b) What does S indicate?

E = effective throat specifications S = depth of preparation

Effective throat specifications should be: a) above the depth of preparation b) below the depth of preparation c) left of the depth of preparation d) right of the depth of preparation

d) right of the depth of preparation

Dimensions for the root opening and bevel angle are placed inside the groove symbol with the root opening dimension closest to the reference line. True or False

True

A general note can be made specifying specific info to use through out a drawing. eg. All Vee groove welds seal have a 60° groove angle and a root opening of 1/16" unless otherwise noted. Are the dimensions still listed in the weld symbol?

No, they can be committed except where they differ from the instructions in the general note.

Groove weld dimensions are found: a) above the weld symbol b) below the weld symbol c) left of the weld symbol d) right of the weld symbol

c) left of the weld symbol

A _____ weld with a specified root penetration is indicated by showing the depth of preparation and the effective throat in brackets to the left of the weld symbol a) fillet b) butt c) groove d) surface

c) groove

No ?. see images on both ? & answer to see how to lay out dimensions with combo weld symbols. Dimensioning of combination welding symbols.

Dimensioning of combination welding symbols - the square groove symbols indicate penetration with fillet welds

What are NDE symbols?

Non destructive examination

The AWS has assigned individual letter designation to all common non-destructive testing methods. What do each of the following stand for? a) LT b) MT c) PT d) RT e) UT f) PA g) VT

a) LT - Leak test b) MT - Magnetic particle test c) PT - Penetrant test d) RT - Radiographic test e) UT - Ultrasonic test f) PA - Phased array ultrasonics g) VT - Visual test

Standard supplementary symbols for all around and field operations remain the same as for welds. True / False

True

NDE test symbols can be found: a) arrow side b) other side c) centred on the reference line d) all of the above

d) all of the above

If the NDE symbols have no arrow or other side significance they must be: a) on the arrow side b) on the other side c) centred on the reference line d) all of the above

c) centred on the reference line

What does this symbol mean? a) HAZ b) radial weldment c) direction of radiation d) line of neutrality

c) direction of radiation

What is the benefit of combining welding and NDE symbols?

It ensures that fabricators obtain full info for welding and indicates the quality of work required.

Dimensions applied to testing symbols may indicate the _____ of section to be tested or the percentage of section to be tested. a) depth b) length c) width d) strength

b) length

Does the image indicate a) the percentage of each weld to be tested b) the percentage of testing for all welds

a) the percentage of each weld to be tested

There are two symbols shown in the picture with the testing specification. What do they mean? Circle around joint - Flag -