Deck 19: Gas Tungsten Arc Welding Plate and Pipe Aws Sense Certification

Question 1

What is the minimum acceptance criteria for face reinforcement for visual inspection of tee welds?

A) 3/32 in. (2.4 mm)
B) 1/16 in. (1.6 mm)
C) 1/8 in. (3.2 mm)
D) No reinforcement allowed

Answer 1

C

Question 2

With a s ingle V-groove pipe weld, corner cracks are acceptable in clean metal if smaller than ____.

A) 1/8 in. (3 mm)
B) 1/4 in. (6 mm)
C) 3/8 in. (10 mm)
D) 1 in. (25 mm)

Answer 2

A

Question 3

As you walk the cup, you may need to ____________________ in place so it does not move.

Answer 3

clamp the weldment

Question 4

What is the maximum diameter of tungsten that can be used on the AWS SENSE workmanship samples?

A) No restrictions on size
B) 1/16 in. (1.6 mm)
C) 1/8 in. (3.2 mm)
D) 3/32 in. (2.4 mm)

Question 5

No discontinuity on a s ingle V-groove pipe weld may exceed 1/8 in. (3 mm) measured ____________________ on the surface.

Question 6

What is the minimum acceptance criteria for root reinforcement for visual inspection of butt welds?

A) 3/32 in. (2.4 mm)
B) 1/16 in. (1.6 mm)
C) 1/8 in. (3.2 mm)
D) No reinforcement allowed

Question 7

What is the minimum acceptance criteria for undercut for visual inspection of tubing welds?

A) 1/64 in. (0.4 mm)
B) 1/32 in. (0.8 mm)
C) 1/16 in. (1.6 mm)
D) No undercut allowed

Question 8

How much of the surface beside a weld groove must be cleaned for the AWS SENSE workmanship samples?

A) ½ in. (13 mm)
B) 1 in. (25 mm)
C) ¾ in. (19 mm)
D) 2 in. (50 mm)

Question 9

After the surface of an aluminum AWS SENSE workmanship sample has been cleaned, it should be welded within ____.

A) 10 minutes
B) 20 minutes
C) 1 hour
D) 8 hours

Question 10

Describe how the free bend test is performed.

Question 11

Before welding on the AWS SENSE workmanship sample, what temperature must a plain carbon steel part be above?

A) 32°F (0.0°C)
B) 100°F (37°C)
C) 50°F (9.4°C)
D) 0.0°F (-18°C)

Question 12

The American Welding Society allows students to pass the ____________________ by using stainless steel filler metal on mild steel pipe.

Question 13

How should stainless steel be cleaned before starting to weld an AWS SENSE workmanship sample?

A) Acids
B) Alkalines
C) Detergents
D) All of the above

Question 14

What is the minimum acceptance criteria for cracks for visual inspection of butt welds?

A) 3/32 in. (2.4 mm)
B) 1/16 in. (1.6 mm)
C) 1/8 in. (3.2 mm)
D) No cracks allowed

Question 15

Sketch the front view layout for the AWS SENSE GTA practice welds for the butt, lap, and tee joints.

Question 16

What is the minimum acceptance criteria for the depth of porosity for visual inspection of tubing welds?

A) No porosity allowed
B) 1/64 in. (0.4 mm)
C) 25% of the base metal thickness
D) Okay as long as the weld does not leak

Question 17

____________________ are used to join sections of pipe to other sections of pipe or to various pieces of equipment.

Question 18

Describe the metal preparation procedure for the plain carbon steel AWS SENSE workmanship samples.

Question 19

Fillet welds are used to join sections of pipe to ____________________ .

Question 20

What is the minimum acceptance criteria for porosity for visual inspection of lap welds?

A) One porosity per 1 in. (25 mm) of weld
B) One porosity per 2 in. (50 mm) of weld
C) One porosity per 1 1/2 in. (36 mm) of weld
D) No porosity allowed

Question 21

Why is it important that the root pass be made with a flat weld face?

Question 22

List the visual inspection criteria for the stainless steel AWS SENSE workmanship samples.

Question 23

Why is it very important that the pipe welding test specimen be mounted so it does not move or vibrate during welding?