120301C Smaw & Oxy Cutting Mild Steel

Front 1

Recommended bevel angle for single Vee groove butt joints on 3/8" (9.6mm) material

Back 1

30 deg

Front 2

Quick and efficient method to check the width of root face

Back 2

Welding electrode core wire

Front 3

What is root face?

Back 3

Land

Front 4

Why should you ensure that your tack welds are of good quality?

Back 4

They become part of the weld

Front 5

Why do you use E4310 (E6010) electrodes for root pass?

Back 5

Deep penetration characteristics and fast freeze puddle

Front 6

How long should the tack welds be?

Back 6

1/4" - 3/8" (6.4mm - 9.6mm)

Front 7

What is the recommended included angle for a single Vee groove weld on 3/8" (9.6mm) plate?

Back 7

60 deg

Front 8

What is the recommended land and gap for SMAW of 3/8" (9.6mm) plate with single Vee joint prep, using E4310 (E6010) for root bead?

Back 8

3/32" - 1/8" (2.5mm - 3.2mm) for both land and gap.

Front 9

What is a blister?

Back 9

Shrinkage cavities

Front 10

Rule of thumb for prep of open groove welds

Back 10

Land equals gap

Front 11

What is the moisture content of ER4310 (E6010)?

Back 11

3% - 7%

Front 12

Amperage range for 1/8" (3.2mm) E4310 (E6010) for 3G and recommend starting point

Back 12

65-140 90 +/- 10

Front 13

What should the electrode angle be for 3G

Back 13

1/2 the included joint angle

Front 14

What is the electrode inclination for 3G?

Back 14

0 deg - 10 deg BH to FH for all passes

Front 15

What does a keyhole tell you on the root pass?

Back 15

Both root edges have melted

Front 16

What is 1G, 2G, 3G, and 4G

Back 16

All are groove welds

Flat, horizontal, vertical, and overhead

Front 17

What does GF mean?

Back 17

Groove and fillet weld combined into one weld

Front 18

How much weld reinforcement should you leave on cap pass?

Back 18

Approx. 10% of material thickness

Front 19

What is the main purpose of the first fill pass?

Back 19

To penetrate into the root and melt our any slag or undercut

Front 20

Recommended electrode inclination for root pass on a 45 deg overhead open root groove weld using E4310 (E6010)?

Back 20

0 deg - 10 deg BH

Front 21

Recommended electrode inclination for fill and cap pass on 45 deg overhead groove weld using E4918 (E7018)?

Back 21

0 deg - 10 deg BH or FH

Front 22

Common problem with inclination in 4G position

Back 22

Electrode melting off and inclination becomes too forehand

Front 23

What happens if you use too much manipulative movement when doing the root pass with E4310 (E6010) in the 4G position

Back 23

Generally fused but appears concave

Front 24

Required spacing between the plates for the 4GF test assembly?

Back 24

1/2" (13.0mm)

Front 25

Where is the first pass placed in the 4GF weld?

Back 25

At the junction forming a 90 deg angle

Front 26

Where should the stop/starts on the root bead be on 4GF weld according to CSA standard W47.1

Back 26

Fillet 4 1/2" (114mm)

Groove 1 1/2" (38mm)

Front 27

What are three methods of removing the backing strip from the 4GF weld?

Back 27

CAC-A

PAC

Mechanical means

Front 28

What does CAC-A stand for?

Back 28

Air carbon arc cutting

Front 29

What does PAC stand for?

Back 29

Plasma arc cutting

Front 30

What are two methods to pierce a hole in a steel plate?

Back 30

Traveling and still

Front 31

Why should you remove the soapstone line with your cut when cutting a W shape?

Back 31

To ensure the cut will fit the W shape once it's complete

Front 32

What happens with incorrect inclination on fill pass on the 4G weld?

Back 32

Undercutting bevel, high crown bead with trapped slag

Front 33

Rule of thumb with inclination

Back 33

Maintain inclination perpendicular to plate surface

Front 34

What is the amperage range and recommended starting point for 1/8 (3.2mm) E4310 (E6010) for the 45deg 4G?

Back 34

80-140 90 +/- 10