WeldingA,B,C

Question 1

The 5 basic joints

Answer 1

Butt,lap,corne,edge,tee (BCTEL)

Question 2

The four weld types

Answer 2

1 surfacing, 2 plug or slot,3 fillet 4 groove

Question 3

Which is the only wled that has a 2 step process

Answer 3

Surfaceing

Question 4

What are surfacing welds used for

Answer 4

Whenever a wear surface can be reclaimed economically, or to repair earth moving equipment to it’s original thickness

Question 5

What are plug and slot welds most common on

Answer 5

Lap joints

Question 6

Plug or slot welds can be fillet welded to?

Answer 6

Add additional strength where required

Question 7

Fillet welds are found on what joint types

Answer 7

Tee, lap, corner (TLC)

Question 8

What is the size of a fillet weld determined by

Answer 8

Length of the largest egual leg

Question 9

The size of an unequal fillet weld leg is determined by

Answer 9

The shortest leg

Question 10

4 variations of fillet welds?

Answer 10

1 continuous
2 intermittent
3 chain intermittent
4 staggered intermittent

Question 11

Which fillet weld variation is used where max. Strength/rigidity is required

Answer 11

Continuous fillet weld on both sides of the joint

Question 12

The center to center distance of a fillet weld is known as the

Answer 12

Pitch

Question 13

Groove weld are most common in which joint

Answer 13

Butt joint

Question 14

What are the 5 variations of groove welds

Answer 14

1 square all have double 2 bevel Variations
3 vee
4 u
5 J

Question 15

Maximum material thickness for square grooves (both single and double)

Answer 15

Single 3.2mm or ⅛

Double 6.4mm or ¼

Question 16

Maximum material thickness for square grooves (both single and double)

Answer 16

Single 3.2mm or ⅛

Double 6.4mm or ¼

Question 17

Bevel groove are often used when you only have access to

Answer 17

One member of the joint

Question 18

Thickness range of the vee groove weld

Answer 18

9.6mm (⅜) to 25.4 (1”)

Question 19

Which weld requires less filler metal vee or U groove

Answer 19

U groove.
Because of the smaller included angle

Question 20

Which has better accessibility for welding J groove or a bevel

Answer 20

J Groove
(But it costs more to prepare)

Question 21

Corner joint variations

Answer 21

Flush
Half open
Open

Question 22

Edge joint advantages(2)/limitation (1)

Answer 22

Less danger of burn through
Reduce distortion by its built in rigidity
. Limitation
Cannot withstand heavy dynamic loads

Question 23

Can tee joints achieve sufficient joint penetration without joint prep.

Answer 23

True

Question 24

Where are the plates set in a butt joint

Answer 24

The same plane

Question 25

2 codes and standards for welding fab.

Answer 25

CSA ASME

Question 26

What is tensile strangth

Answer 26

The ultimate pull a material will stand without fracture

Question 27

What is yield strength

Answer 27

The stress point where permanent deformation takes place after the fracture point

Question 28

What is ductility

Answer 28

The ability of a material to stretch or deform under a load without breaking

Question 29

What is elasticity

Answer 29

The ability for a material to return to its original shape and dimension once a load has been removed

Question 30

What is malleability

Answer 30

The ability of a metal to be cold worked without a great deal of resistance

Question 31

What is Impact strength

Answer 31

The ability of a metal to withstand a sharp high velocity blow

Question 32

What is Toughness

Answer 32

Ability of a metal to withstand a rabidly applied load without breaking

Question 33

What is hardness

Answer 33

The ability of a material to resist penetration or indention