Question 1

What is the advantage of the fast freeze flux of some FCA welding electrodes?

Accepted Answer

A)  It allows a larger weld bead in all positions to fill the joint faster. 
B)  The freezing effect cools the weld off faster so the weld is not as hot. 
C)  When the flux freezes fast, it is easier to remove since it is cold. 
D)  There is less flux and that is why it cools so quickly. 
A)  It allows a larger weld bead in all positions to fill the joint faster. 
B)  The freezing effect cools the weld off faster so the weld is not as hot. 
C)  When the flux freezes fast, it is easier to remove since it is cold. 
D)  There is less flux and that is why it cools so quickly.

Question 2

How many tack welds are needed to hold a pipe joint in alignment for welding?

Accepted Answer

A)  4, one at the 12:00, 3:00, 6:00, and 9:00 o'clock positions. 
B)  5 to 6 
C)  It depends on the size of the tack welds. 
D)  The number will vary depending on the pipe's diameter. 
A)  4, one at the 12:00, 3:00, 6:00, and 9:00 o'clock positions. 
B)  5 to 6 
C)  It depends on the size of the tack welds. 
D)  The number will vary depending on the pipe's diameter.

Question 3

Unless a backing ring is used, most root passes are made with the _____ process.

Accepted Answer

The answer of Unless a backing ring is used, most...

Question 4

The ends of the tack welds must be ground to a ___________.

Accepted Answer

The answer of The ends of the tack welds must...

Question 5

It is faster to make the root weld using the downhill technique if ______________________.

Accepted Answer

A)  you can see all of the joint so you can follow it 
B)  the root opening is narrow so the weld has something to support it 
C)  the voltage is lowered by 5 to 10 volts 
D)  the root opening is uniform and not too wide or narrow 
A)  you can see all of the joint so you can follow it 
B)  the root opening is narrow so the weld has something to support it 
C)  the voltage is lowered by 5 to 10 volts 
D)  the root opening is uniform and not too wide or narrow

Question 6

If the contact tube tip melts, the copper from the tip might enter the weld pool and make a _____________________ in the weld.

Accepted Answer

The answer of If the contact tube tip melts, the...

Question 7

The maximum diameter of any single porosity shall not exceed ______________.

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm) 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm)

Question 8

Any part of the root face that has undercut or trapped slag or any area with more than ____ buildup can be ground down.

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm) 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm)

Question 9

According to the API code, the maximum offset for pipes of the same nominal diameter is ____.

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm) 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm)

Question 10

Which step is critical when making a code quality weld?

Accepted Answer

A)  Cleaning 
B)  Tack welding 
C)  Fitting 
D)  All of the above 
A)  Cleaning 
B)  Tack welding 
C)  Fitting 
D)  All of the above

Question 11

The cover pass cannot be any wider than ____ wider than the groove being welded.

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm) 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  1/8 in. (3 mm)

Question 12

What is another name for the cover pass?

Accepted Answer

A)  Top 
B)  Finish 
C)  Cap 
D)  Fillup 
A)  Top 
B)  Finish 
C)  Cap 
D)  Fillup

Question 13

Which tool might be used when assembling a joint for a code quality weld?

Accepted Answer

A)  High-low gauge 
B)  Micrometer 
C)  Vernier caliper 
D)  Outside and inside calipers 
A)  High-low gauge 
B)  Micrometer 
C)  Vernier caliper 
D)  Outside and inside calipers

Question 14

When using the spray metal transfer method, what can happen if the tip gets too close to the work?

Accepted Answer

A)  The wire may arc out and cause a lot of spatter to be thrown from the weld. 
B)  The shorter stickout will cause the weld to get hotter due to the reduced resistance in the shorter wire and the weld will become wider and more fluid. 
C)  The tip may be melted. 
D)  A flood of sparks as the weld pool is overheated will erupt. 
A)  The wire may arc out and cause a lot of spatter to be thrown from the weld. 
B)  The shorter stickout will cause the weld to get hotter due to the reduced resistance in the shorter wire and the weld will become wider and more fluid. 
C)  The tip may be melted. 
D)  A flood of sparks as the weld pool is overheated will erupt.

Question 15

Arc strikes outside of the weld groove are _____________.

Accepted Answer

A)  potential defects. 
B)  easy to grind off if needed. 
C)  usually small and are no problem. 
D)  can be left if they are less than 1 in. (25 mm) from the groove. 
A)  potential defects. 
B)  easy to grind off if needed. 
C)  usually small and are no problem. 
D)  can be left if they are less than 1 in. (25 mm) from the groove.

Question 16

Why are the ends of tack welds ground to a featheredge?

Accepted Answer

The ends of tack welds must be

Question 17

Filler passes only need to have complete fusion to the previous weld and do not need to have ________.

Accepted Answer

The answer of Filler passes only need to have complete...

Question 18

Why should the pipe coupon being flame cut be caught with a pair of pliers?

Accepted Answer

A)  To keep the root face from being nicked and damaged 
B)  If the coupon hits the floor, it can be knocked out of round. 
C)  The round pipe coupon can roll under a table or welder and be hard to get out. 
D)  So you do not have to bend down and pick it up 
A)  To keep the root face from being nicked and damaged 
B)  If the coupon hits the floor, it can be knocked out of round. 
C)  The round pipe coupon can roll under a table or welder and be hard to get out. 
D)  So you do not have to bend down and pick it up

Question 19

How is the root pass made on pipe?

Accepted Answer

The root pass is made as a stringer bead

Question 20

What should the gun angle and travel direction be for making a 1G weld from the 1:30 to 10:30 positions?

Accepted Answer

A)  A 45°forehand angle in the direction of travel. 
B)  A 14°to 20°forehand angle in the direction of travel. 
C)  A 30°to 90°backhand angle in the direction of travel. 
D)  A 60°backhand angle in the opposite direction of travel. 
A)  A 45°forehand angle in the direction of travel. 
B)  A 14°to 20°forehand angle in the direction of travel. 
C)  A 30°to 90°backhand angle in the direction of travel. 
D)  A 60°backhand angle in the opposite direction of travel.

Exam 14: Gas Metal Arc and Flux Cored Arc Welding of Pipe

What is the advantage of the fast freeze flux of some FCA welding electrodes?

How many tack welds are needed to hold a pipe joint in alignment for welding?

Unless a backing ring is used, most root passes are made with the _____ process.

The ends of the tack welds must be ground to a ___________.

It is faster to make the root weld using the downhill technique if ______________________.

If the contact tube tip melts, the copper from the tip might enter the weld pool and make a _____________________ in the weld.

The maximum diameter of any single porosity shall not exceed ______________.

Any part of the root face that has undercut or trapped slag or any area with more than ____ buildup can be ground down.

According to the API code, the maximum offset for pipes of the same nominal diameter is ____.

Which step is critical when making a code quality weld?

The cover pass cannot be any wider than ____ wider than the groove being welded.

What is another name for the cover pass?

Which tool might be used when assembling a joint for a code quality weld?

When using the spray metal transfer method, what can happen if the tip gets too close to the work?

Arc strikes outside of the weld groove are _____________.

Why are the ends of tack welds ground to a featheredge?

Filler passes only need to have complete fusion to the previous weld and do not need to have ________.

Why should the pipe coupon being flame cut be caught with a pair of pliers?

How is the root pass made on pipe?

What should the gun angle and travel direction be for making a 1G weld from the 1:30 to 10:30 positions?

Introduction to Welding

Safety in Welding

Shielded Metal Arc Equipment, Setup, and Operation

Shielded Metal Arc Welding of Plate

Shielded Metal Arc Welding of Pipe

Shielded Metal Arc Welding Aws Sense Certification

Flame Cutting Equipment, Setup, and Operation

Plasma Arc Cutting Equipment, Setup, and Operation

Related Cutting Processes

Gas Metal Arc Welding Equipment, Setup, and Operation

Gas Metal Arc Welding

Flux Cored Arc Welding Equipment, Setup, and Operation

Flux Cored Arc Welding

Gas Metal Arc and Flux Cored Arc Welding Aws Sense Certification

Gas Tungsten Arc Welding Equipment, Setup, and Operation

Gas Tungsten Arc Welding of Plate

Gas Tungsten Arc Welding of Pipe

Gas Tungsten Arc Welding Plate and Pipe Aws Sense Certification

Shop Math and Weld Cost

Reading Technical Drawings

Welding Joint Design and Welding Symbols

Fabricating Techniques and Practices

Welding Codes and Standards

Testing and Inspection

Welding Metallurgy

Weldability of Metals

Filler Metal Selection

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding Equipment, Setup, and Operation

Oxyacetylene Welding and Brazing, Braze Welding, and Soldering

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