Question 1

It is important that tack welds be made _____________________________ so that they do not become weld defects in the finished weld.

Accepted Answer

with the same welding procedure as the finish welds

Question 2

Why is it important to clean the outside and inside surface of the pipe next to the groove?

Accepted Answer

This cleaning is required to prevent surface contamination from causing weld defects.

Question 3

How should the weld progress if the root opening is wider than normal?

Accepted Answer

A)  Downhill 
B)  From the 9:00 to the 6:00 o'clock downhill and from the 9:00 to the 12:00 o'clock position uphill. 
C)  Uphill 
D)  From the 9:00 to the 6:00 o'clock uphill and from the 9:00 to the 12:00 o'clock position downhill. 
A)  Downhill 
B)  From the 9:00 to the 6:00 o'clock downhill and from the 9:00 to the 12:00 o'clock position uphill. 
C)  Uphill 
D)  From the 9:00 to the 6:00 o'clock uphill and from the 9:00 to the 12:00 o'clock position downhill. C

Question 4

For a visual inspection of a pipe weld, what is the acceptable discontinuity for incomplete fusion?

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed

Question 5

Although the welded pipe seam is ___________, it is usually easy to find by looking at the inside surface of the pipe.

Accepted Answer

The answer of Although the welded pipe seam is ___________,...

Question 6

Why is the root pass weld started on top of a tack weld?

Accepted Answer

A)  To eliminate the potential lack of fusion 
B)  To prevent porosity caused by the lack of shielding gas at the instant the weld starts 
C)  So the arc light will show the root opening and make it easier to get aligned with the root opening as the weld moves off of the tack weld 
D)  The root pass can be started anywhere it is comfortable for the welder to begin welding. 
A)  To eliminate the potential lack of fusion 
B)  To prevent porosity caused by the lack of shielding gas at the instant the weld starts 
C)  So the arc light will show the root opening and make it easier to get aligned with the root opening as the weld moves off of the tack weld 
D)  The root pass can be started anywhere it is comfortable for the welder to begin welding.

Question 7

The maximum reinforcement of the cover pass 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 8

For a visual inspection of a pipe weld, what is the acceptable discontinuity for cracks?

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed

Question 9

The hot pass can be made ________________; however, it is more difficult to keep good fusion using the ____________technique.

Accepted Answer

A)  uphill, downhill 
B)  downhill, uphill 
C)  uphill or downhill, uphill 
D)  uphill or downhill, downhill 
A)  uphill, downhill 
B)  downhill, uphill 
C)  uphill or downhill, uphill 
D)  uphill or downhill, downhill

Question 10

A s mall weld coupon may become too hot to allow you to make a good weld, so be sure to give the coupon time to ___________________.

Accepted Answer

cool betwe

Question 11

The inside and outside pipe surfaces must be ground clean back ________ from the joint.

Accepted Answer

The answer of The inside and outside pipe surfaces must...

Question 12

For a visual inspection of a pipe weld, what is the acceptable discontinuity for overlap?

Accepted Answer

A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed 
A)  1/32 in. (0.8 mm) 
B)  1/16 in. (1.6 mm) 
C)  3/32 in. (2.4 mm) 
D)  None allowed

Question 13

Describe how the end of a pipe is to be prepared for welding.

Accepted Answer

The ends of pipe are beveled to between

Question 14

As the 1G weld passes over the top of the pipe and starts downhill, change to a slight ________ angle that will increase to approximately a _______ angle.

Accepted Answer

A)  forehand, 30° 
B)  backhand, 45° 
C)  perpendicular, 90° 
D)  right, 90° 
A)  forehand, 30° 
B)  backhand, 45° 
C)  perpendicular, 90° 
D)  right, 90°

Question 15

What can be done to protect the contact tube tip from damage?

Accepted Answer

A)  Use a high temperature insulating tape to protect the tip. 
B)  Use a slightly larger size contact tube tip for the wire size. 
C)  Spray the contact tube with WD-40 so the wire will feed smoother. 
D)  Recess it inside of the nozzle. 
A)  Use a high temperature insulating tape to protect the tip. 
B)  Use a slightly larger size contact tube tip for the wire size. 
C)  Spray the contact tube with WD-40 so the wire will feed smoother. 
D)  Recess it inside of the nozzle.

Question 16

The root pass welds must start and end on the ______________.

Accepted Answer

The answer of The root pass welds must start and...

Question 17

A small flat surface of 1/16-in. (1.6 mm) wide, called the ______ or ______, is ground or machined on the beveled edge.

Accepted Answer

The answer of A small flat surface of 1/16-in. (1.6...

Question 18

The filler passes should be stopped when the surface is approximately ____________ below the pipe's outer surface.

Accepted Answer

A)  1/32 in. to 3/32 in. (0.8 mm to 2.4 mm) 
B)  1/16 in. to 1/8 in. (1.6 mm to 3 mm) 
C)  1/32 in. to 3/32 in. (0.8 mm to 2.4 mm). 
D)  3/64 in. to 1/8 in. (1.2 mm to 3 mm) 
A)  1/32 in. to 3/32 in. (0.8 mm to 2.4 mm) 
B)  1/16 in. to 1/8 in. (1.6 mm to 3 mm) 
C)  1/32 in. to 3/32 in. (0.8 mm to 2.4 mm). 
D)  3/64 in. to 1/8 in. (1.2 mm to 3 mm)

Question 19

What determines the size, number, and location of tack welds on a pipe joint?

Accepted Answer

The number and size of tack welds will v

Question 20

What is the bevel angle for the end of pipe?

Accepted Answer

A)  15°and 45° 
B)  20°and 45° 
C)  30°and 35° 
D)  45°and 50° 
A)  15°and 45° 
B)  20°and 45° 
C)  30°and 35° 
D)  45°and 50°

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

It is important that tack welds be made _____________________________ so that they do not become weld defects in the finished weld.

Why is it important to clean the outside and inside surface of the pipe next to the groove?

How should the weld progress if the root opening is wider than normal?

For a visual inspection of a pipe weld, what is the acceptable discontinuity for incomplete fusion?

Although the welded pipe seam is ___________, it is usually easy to find by looking at the inside surface of the pipe.

Why is the root pass weld started on top of a tack weld?

The maximum reinforcement of the cover pass is ____________.

For a visual inspection of a pipe weld, what is the acceptable discontinuity for cracks?

The hot pass can be made ________________; however, it is more difficult to keep good fusion using the ____________technique.

A s mall weld coupon may become too hot to allow you to make a good weld, so be sure to give the coupon time to ___________________.

The inside and outside pipe surfaces must be ground clean back ________ from the joint.

For a visual inspection of a pipe weld, what is the acceptable discontinuity for overlap?

Describe how the end of a pipe is to be prepared for welding.

As the 1G weld passes over the top of the pipe and starts downhill, change to a slight ________ angle that will increase to approximately a _______ angle.

What can be done to protect the contact tube tip from damage?

The root pass welds must start and end on the ______________.

A small flat surface of 1/16-in. (1.6 mm) wide, called the ______ or ______, is ground or machined on the beveled edge.

The filler passes should be stopped when the surface is approximately ____________ below the pipe's outer surface.

What determines the size, number, and location of tack welds on a pipe joint?

What is the bevel angle for the end of pipe?

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

Filters

The hot pass can be made ____; however, it is more difficult to keep good fusion using the technique.

As the 1G weld passes over the top of the pipe and starts downhill, change to a slight __ angle that will increase to approximately a _ angle.

A small flat surface of 1/16-in. (1.6 mm) wide, called the or , is ground or machined on the beveled edge.