Question 1

Which of the following is true of horizontal welds?

Accepted Answer

A)  The weave pattern required for a horizontal weld is similar to other positions. 
B)  The sheet should not be tipped back at a 45 ° angle for stringer beads. 
C)  They must rely on some part of the weld bead to support the molten weld pool. 
D)  Care must be taken not to allow a shelf to build up under the molten weld pool. 
A)  The weave pattern required for a horizontal weld is similar to other positions. 
B)  The sheet should not be tipped back at a 45 ° angle for stringer beads. 
C)  They must rely on some part of the weld bead to support the molten weld pool. 
D)  Care must be taken not to allow a shelf to build up under the molten weld pool.

Question 2

Why would you use a back stepping welding technique?

Accepted Answer

A)  It is easier to see where you are welding. 
B)  It is easier to make a uniform weld with fewer defects. 
C)  It will help minimize distortion. 
D)  It gives the weld bead a more uniform appearance. 
A)  It is easier to see where you are welding. 
B)  It is easier to make a uniform weld with fewer defects. 
C)  It will help minimize distortion. 
D)  It gives the weld bead a more uniform appearance.

Question 3

A ____ draws off excessive heat.

Accepted Answer

A)  heat sink 
B)  filler rod 
C)  shielding gas 
D)  weld pool 
A)  heat sink 
B)  filler rod 
C)  shielding gas 
D)  weld pool

Question 4

____ seal tips must be tightened with a wrench.

Accepted Answer

A)  O-ring 
B)  Gasket 
C)  Metal-to-metal 
D)  Rubber 
A)  O-ring 
B)  Gasket 
C)  Metal-to-metal 
D)  Rubber

Question 5

Why should the end of the welding rod be kept inside the protective envelope of the flame?

Accepted Answer

A)  To keep the hot end from oxidizing if it is exposed to the air 
B)  To keep it hot so it will melt into the weld pool faster 
C)  It is easier to see there, and you are less likely to touch it to your hand, arm, or leg. 
D)  You can add the rod quicker if it is kept close to the weld pool. 
A)  To keep the hot end from oxidizing if it is exposed to the air 
B)  To keep it hot so it will melt into the weld pool faster 
C)  It is easier to see there, and you are less likely to touch it to your hand, arm, or leg. 
D)  You can add the rod quicker if it is kept close to the weld pool.

Question 6

Why would you move the welding hoses before you start welding?

Accepted Answer

A)  To make sure it is not too stiff from being cold 
B)  To eliminate any twisting of the torch that could make it harder to manipulate the torch 
C)  It will give you a sense of how heavy the torch and hose are before you start welding. 
D)  To make sure you have a good grip on the torch 
A)  To make sure it is not too stiff from being cold 
B)  To eliminate any twisting of the torch that could make it harder to manipulate the torch 
C)  It will give you a sense of how heavy the torch and hose are before you start welding. 
D)  To make sure you have a good grip on the torch

Question 7

Which of the following is true of the lap joint?

Accepted Answer

A)  The filler rod should be added to the bottom sheet. 
B)  Heat is not distributed uniformly in the lap joint. 
C)  If the rod is added directly into the notch, the weld strength will be affected. 
D)  The flame must be directed at the top sheet and away from the bottom sheet. 
A)  The filler rod should be added to the bottom sheet. 
B)  Heat is not distributed uniformly in the lap joint. 
C)  If the rod is added directly into the notch, the weld strength will be affected. 
D)  The flame must be directed at the top sheet and away from the bottom sheet.

Question 8

Which of the following is true of the flat outside corner joint?

Accepted Answer

A)  It must be made with the addition of filler metal. 
B)  It is one of the most difficult to make. 
C)  If the sheets are tacked together properly, filler metal is needed. 
D)  If filler metal is added, it should be added uniformly. 
A)  It must be made with the addition of filler metal. 
B)  It is one of the most difficult to make. 
C)  If the sheets are tacked together properly, filler metal is needed. 
D)  If filler metal is added, it should be added uniformly.

Question 9

Explain how torch angle and the distance between the inner cone and the metal affect the rate of heating.

Accepted Answer

The torch angle and the angle between th

Question 10

What is the minimum tensile strength of a class RG65 welding rod?

Accepted Answer

A)  35,000 to 45,000 psi 
B)  45,000 to 55,000 psi 
C)  55,000 to 65,000 psi 
D)  65,000 to 75,000 psi 
A)  35,000 to 45,000 psi 
B)  45,000 to 55,000 psi 
C)  55,000 to 65,000 psi 
D)  65,000 to 75,000 psi

Exam 31: Oxyfuel Welding Equipment, Setup, and Operation

Which of the following is true of horizontal welds?

Why would you use a back stepping welding technique?

A ____ draws off excessive heat.

____ seal tips must be tightened with a wrench.

Why should the end of the welding rod be kept inside the protective envelope of the flame?

Why would you move the welding hoses before you start welding?

Which of the following is true of the lap joint?

Which of the following is true of the flat outside corner joint?

Explain how torch angle and the distance between the inner cone and the metal affect the rate of heating.

What is the minimum tensile strength of a class RG65 welding rod?

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 of Pipe

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

Oxyacetylene Welding and Brazing, Braze Welding, and Soldering

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