204A

Question 1

An electrode inclination of 0 degrees with normal arc ark length produce’s a:

A. narrow, high-crowned stringer bead.
B. medium width bead with smooth metal flow.
C. medium width bead with shallow penetration.
D. a narrow, rough- surfaced deposit.

Answer 1

B. medium width bead with smooth metal flow.

Question 2

state the recommended joint preparation for groove welds on 10mm (3/8) plate in these positions.

A. the 1G position without backing ___________________________
B. 3G position without backing ___________________________
C. 3GF position with backing ___________________________
D. 2G position without backing ___________________________

Answer 2

A. 30 degree bevel on both sides; 2.5 mm - 3.2 mm ( 3/32” - 1/8”) land gap
B. 30 degree bevel on both sides; 2.5 mm - 3.2 mm ( 3/32” - 1/8”) land gap
C. 13mm (1/2”) spacing; single bevel preparation; no land
D. 30 degree bevel on both sides; 2.5 mm - 3.2 mm ( 3/32” - 1/8”) land gap

Question 3

what is the purpose of tacking the ends from the backside of your open groove weld coupons?

Answer 3

too ensure root bead fusion at the end of the plates.

Question 4

Unless it is otherwise specified, what grade of steel is the permanent backing material to be used?

Answer 4

If the backing is permanent, the grade of material is to be the same as the material being joined.

Question 5

what is the purpose of backing material on welds with backer?

A. to introduce alloying elements into weld metal
B. to make welds as narrow as possible
C. to support and shape molten weld metal at the root of the joint
D. to allow the use of E4310 (6010) on the root bead

Answer 5

C. to support and shape molten weld metal at the root of the joint

Question 6

what do you have to be very careful of when welding a joint with permanent backer?

A. use the lowest possible current setting to avoid burning through the backing material
B. Avoid E4918 (E7018) electrodes
C. Always leave a gape between the backing material and the base metal
D. you need to ensure full fusion between the base metal and the backing.

Answer 6

D. you need to ensure full fusion between the base metal and the backing.

Question 7

What is a good rule for pass placement when multi-pass welding?

Answer 7

always achieve penetration into the narrowest portion of the joint.

Question 8

what action increases penetration on the root of a 2G weld?

A. shorten arc length
B. lengthen the arc length
C. decrease electrode angle toward the top member
D. increase travel speed

Answer 8

A. shorten arc length

Question 9

for complete penetration on an open root groove weld using E4310 (E6010) electrodes, you must?

A. maintain a short arc length
B. travel across the joint as quickly as possible
C. use a stepping action only
D. carry a continuous keyhole

Answer 9

D. carry a continuous keyhole

Question 10

what weld position generally results in the highest amount of distortion?

A. 1G
B. 2G
C. 3G
D. 4G

Answer 10

B. 2G

Question 11

when you deliberately shorten arc length, you can expect to increase:

A. penetration and decrease puddle fluidity fluidity
B. bead width and decrease penetration.
C. burn-off rate and decrease amperage
D. puddle fluidity and decrease burn off rate.

Answer 11

A. penetration and decrease puddle fluidity fluidity

Question 12

Which of the following would most likely produce slag inclusion in multi-pass welds?

A. high current settings with a short arc length
B. high current settings with a normal arc length
C. low current setting with a long arc length
D. recommended current settings with a normal arc length

Answer 12

C. low current setting with a long arc length

Question 13

what is required to ensure that full fusion is obtained on the root pass of a 1G position on 10 mm (3/8) material?

A. progression maintaining a continuous keyhole
B. progression maintaining a normal arc length
C. slight whipping action of the electrode
D. back stepping using a forehand technique

Answer 13

A. progression maintaining a continuous keyhole

Question 14

is it necessary to remove scale and rust from base metal?

A yes
B no

Answer 14

A yes

Question 15

what joint configuration is suggested for a 1G weld with a Vee groove preparation on 10 mm (3/8) material with a 60 degree included angle?

A. Root face preparation is 3.2mm (1/8) smaller then the gap.
B. Root face preparation is 3.2mm (1/8) larger then the gap.
C. Root face preparation is comparable to the gap
D. Root face preparation and gap are not required

Answer 15

C. Root face preparation is comparable to the gap

Question 16

how many passes would you likely use for a 1G weld with a vee groove preparation on 10mm (3/8’) material using 3.2mm (1/8’) E4310 (E6010) for the root and a 2.5 mm E4918 (3/32” E70180) for the fill and cap passes?

A. 1 or 2 passes
B. 3 or 4 passes
C. 5 or 6 passes
D. 6 or 7 passes

Answer 16

B. 3 or 4 passes

Question 17

when doing the root bead of a 1G weld, what action would you take if the keyhole not melting evenly in the groove?

A. using a larger diameter electrode.
B. Immediately adjust the electrode inclination to force the keyhole into center
C. Perform a quick polarity check.
D. Immediately adjust the electrode angle to force the keyhole into the center.

Answer 17

D. Immediately adjust the electrode angle to force the keyhole into the center.

Question 18

what is the main purpose of the hot pass?

A. to fill the joint in preparation for the cap
B. to check the current setting
C. to overcome arc blow
D. to penetrate into the root and melt out slag or undercut

Answer 18

D. to penetrate into the root and melt out slag or undercut

Question 19

most codes and standards do not accept a crack or open defect:

A. of any kind
B. 1.6mm (1/16) length measured in an any direction
C. 3.2mm (1/8) length measured in any direction
D. of any size if there is slag or porosity in the defect

Answer 19

C. 3.2mm (1/8) length measured in any direction

Question 20

What is the root spacing for a CSA 2G with backing test weld?

A. 3.2mm (1/8”)
B. 6.4mm (1/4”)
C. 8mm (5/16”)
D. 13mm (1/2”)

Answer 20

C. 8mm (5/16”)

Question 21

on a 2G weld how much should the coupons be preset to control distortion?

Answer 21

3 - 4 degrees

Question 22

What is the recommended electrode inclination to make a 2G weld with backing?

A. 0 o to 10 o backhand
B. 0 o to 15 o backhand
C. 0 o to 20 o backhand
D. 0 o to 25 o backhand

Answer 22

C. 0 o to 20 o backhand

Question 23

What is the normal electrode inclination for a 2G weld?

A. 0 to 10o forehand
B. 0 to 10o backhand
C. 0 to 20o forehand
D. 0 to 20o backhand

Answer 23

D. 0 to 20o backhand

Question 24

How many stringers are required for the 2G cap on your journeyman practical test?

A. 2 pass
B. 3 pass
C. 4 pass
D. welder discretion

Answer 24

B. 3 pass

Question 25

What is also considered the hot pass on a 2G? A. the root pass B. first fill pass C. the first cap pass D. the last cap pass

Answer 25

B. first fill pass

Question 26

When establishing and maintaining a keyhole on a 2G weld, where should it be? A. with more on the top plate B. with more on the bottom plate C. in the centre of the groove D. with more keyhole where the welder deems necessary

Answer 26

C. in the center of the groove

Question 27

What is the maximum radius allowed on the corners of test specimens for the guided bend test? A. 3mm B. 2mm C. 1/4" D.1/16"

Answer 27

3mm

Question 28

What is the amperage range for an E4310 3.2mm (E6010 1/8") electrode? A. 70 - 120 B. 70 - 140 C. 80 - 120 D. 80 - 140

Answer 28

D. 80 - 140

Question 29

Which electrode is used on an 2G hot pass with an F-4 designation? A. with an E4310 (E6010) B. with an E4918 (E7018) C. with what the welder deems necessary D. none of the above

Answer 29

B. with an E4918 (E7018)

Question 30

hat is the rule of thumb for a 1G SMAW vee groove joint preparation? A. that the land and gap are equal B. the land is slightly bigger than the gap C. the land is slightly smaller than the gap D. tight land and gap

Answer 30

A. that the land and gap are equal

Question 31

What is the recommended spacing on a 2G weld with backing? A. 1/8" (3.2mm) B. 1/4" (6.4mm) C. 5/16" (8mm) D. 3/8" (10mm)

Answer 31

C. 5/16" (8mm)

Question 32

What is the amperage range for an E4918 2.5mm (E7018 3/32") electrode? A. 70 - 100 B. 70 - 120 C. 80 - 120 D. 80 -140

Answer 32

B. 70 - 120

Question 33

The first pass on a 3GF weld would join the backing plate to beveled plate? A. true B. false

Answer 33

B. false

Question 34

What is the recommended electrode inclination for a 1G weld? A. 0 o to 10 o backhand B. 0 o to 10 o forehand C. 10 o to 20 o backhand D. 10 o to 20 o forehand

Answer 34

A. 0 o to 10 o backhand

Question 35

What is a quick and easy way to check the width of a root face? A. use a pocket ruler B. just eye-ball the land C. use an electrode core wire D. use a tape measure

Answer 35

C. use an electrode core wire

Question 36

Under CSA 47.1, a stop start is required on the first 2 passes of a 3GF weld? A. true B. false

Answer 36

A. true

Question 37

How much root face is needed to successfully complete a 2G with backing? A. 3/32"-1/8" B. 5/16" C. 1/2" D. none

Answer 37

D. none

Question 38

What is the recommended root face for a 2G weld? A. 1.6mm to 2.5mm ( 1/16 to 3/32 inch) B. 2.5mm to 3.2mm (3/32 to 1/8 inch) C. 3.2mm to 4.0mm (1/8 to 3/16 inch) D. feather edge, no land preparation

Answer 38

B. 2.5mm to 3.2mm (3/32 to 1/8 inch)

Question 39

By successfully completing a CWB g/f test what classification does it qualify you for? A. T classification B. S classification C. FW classification D. WT classification

Answer 39

B. S classification

Question 40

When using an E4918 (E7018), why does the first fill pass require increased amperage? A. to help keep the weld free from porosity B. to help keep the weld free from slag C. to melt out any undercut D. all the above

Answer 40

D. all the above

Question 41

Which of the following would correct excessive keyhole on the top member when welding the root pass on a 2G weld? A. increase arc length B. use a sawtooth stepping action C. increase amperage D. use a herringbone weave technique

Answer 41

B. use a sawtooth stepping action

Question 42

how many mm are in: A. 1/4" ________ B. 1-1/2" ______ stop starts C. 1/8 _______ D. 6" for backing bar _________ E 4-1/2" _________ F 5/16 __________

Answer 42

A. 6.4mm B. 38 mm C 3.2mm D 150 mm E 114 mm F 8mm