Question 1

​By controlling the torch flame carefully it is possible to ____________.

Accepted Answer

A)  ​make a weld bead vertically on a horizontal plate. 
B)  ​make a weld bead horizontally above the horizontal plate. 
C)  ​accurately control the weld bead in out-of-position welds. 
D)  ​All of the above 
A)  ​make a weld bead vertically on a horizontal plate. 
B)  ​make a weld bead horizontally above the horizontal plate. 
C)  ​accurately control the weld bead in out-of-position welds. 
D)  ​All of the above

Question 2

Suppose you want to practice welding on tubing, but none is available.What can you do?

Accepted Answer

If you want to practice on tubing, but i

Question 3

In a vertical weld, the ____ will constantly be solidifying, forming a new shelf to support the molten weld pool.

Accepted Answer

A)  shelf 
B)  trailing edge 
C)  leading edge 
D)  molten weld pool 
A)  shelf 
B)  trailing edge 
C)  leading edge 
D)  molten weld pool

Question 4

With the ____ weld, the molten weld pool is held to the sheet by surface tension.

Accepted Answer

A)  overhead 
B)  vertical 
C)  flat 
D)  horizontal 
A)  overhead 
B)  vertical 
C)  flat 
D)  horizontal

Question 5

The ____________________ angle and the angle between the inner cone and the metal have a great effect on the speed of melting and size of the molten weld pool.

Accepted Answer

The answer of The ____________________ angle and the angle between...

Question 6

Explain how to make a flat butt joint.

Accepted Answer

To make a flat butt joint, place two cle

Question 7

​What effect on the weld pool would speeding up or slowing down have?

Accepted Answer

A)  ​The weld will move to the right and to the left. 
B)  ​It has no effect on the weld pool, just on how the filler metal is added. 
C)  ​It will make the weld pool larger or smaller. 
D)  ​None of the above 
A)  ​The weld will move to the right and to the left. 
B)  ​It has no effect on the weld pool, just on how the filler metal is added. 
C)  ​It will make the weld pool larger or smaller. 
D)  ​None of the above

Question 8

Burn-through does not happen to molten metal until it reaches the ____________________ temperature.

Accepted Answer

The answer of Burn-through does not happen to molten metal...

Question 9

The ideal angle for the welding torch is ____.

Accepted Answer

A)  15° 
B)  30° 
C)  45° 
D)  60° 
A)  15° 
B)  30° 
C)  45° 
D)  60°

Question 10

​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)  ​To 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)  ​To minimize distortion. 
D)  ​It gives the weld bead a more uniform appearance.

Question 11

A change in the number of sparks given off by the weld as it progresses can be used as an indication of ____.

Accepted Answer

A)  changes in the weld temperature 
B)  changes in the temperature of the atmosphere 
C)  changes in the torch angle 
D)  changes in the flame size 
A)  changes in the weld temperature 
B)  changes in the temperature of the atmosphere 
C)  changes in the torch angle 
D)  changes in the flame size

Question 12

​Why would you not reduce the flame size below its correct setting if the torch flame is too large for the job?

Accepted Answer

A)  ​Lowering the flame can result in the tip overheating. 
B)  ​The flame would go out so you would have to relight the torch. 
C)  ​Because lowering the gas flow will not reduce the flame heat. 
D)  ​You would lower the flame so you would not burn through the metal due to the excessively large flame. 
A)  ​Lowering the flame can result in the tip overheating. 
B)  ​The flame would go out so you would have to relight the torch. 
C)  ​Because lowering the gas flow will not reduce the flame heat. 
D)  ​You would lower the flame so you would not burn through the metal due to the excessively large flame.

Question 13

Some joints, such as the lap joint, may never need 100% ____; however, they do need 100% ____.

Accepted Answer

A)  fusion, penetration 
B)  penetration, accuracy 
C)  depth, accuracy 
D)  penetration, fusion 
A)  fusion, penetration 
B)  penetration, accuracy 
C)  depth, accuracy 
D)  penetration, fusion

Question 14

In a lap joint, heat is conducted away faster in the ____________________ plate.

Accepted Answer

The answer of In a lap joint, heat is conducted...

Question 15

Building up the molten weld pool before it is ended will help prevent crater ____________________.

Accepted Answer

The answer of Building up the molten weld pool before...

Question 16

Which of the following is true of making a proper stop?

Accepted Answer

A)  You should slightly taper down the molten weld pool by flashing the torch off. 
B)  Flashing the torch off prevents the molten weld pool from solidifying. 
C)  If the flame is removed too late from the molten weld pool, it will rapidly oxidize. 
D)  Pockets of oxides add strength to the weld. 
A)  You should slightly taper down the molten weld pool by flashing the torch off. 
B)  Flashing the torch off prevents the molten weld pool from solidifying. 
C)  If the flame is removed too late from the molten weld pool, it will rapidly oxidize. 
D)  Pockets of oxides add strength to the weld.

Question 17

The ____________________ must be protected by the secondary flame to prevent the atmosphere from contaminating the metal.

Accepted Answer

The answer of The ____________________ must be protected by the...

Question 18

​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 it may have 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 it may have 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 19

Welding rod size and ____________________ can be used to control the weld bead characteristics.

Accepted Answer

The answer of Welding rod size and ____________________ can be...

Question 20

____________________ the torch off allows the molten weld pool to cool by moving the hotter inner cone away from the molten weld pool itself.

Accepted Answer

The answer of ____________________ the torch off allows the molten...

Exam 32: Oxyacetylene Welding

​By controlling the torch flame carefully it is possible to ____________.

Suppose you want to practice welding on tubing, but none is available.What can you do?

In a vertical weld, the ____ will constantly be solidifying, forming a new shelf to support the molten weld pool.

With the ____ weld, the molten weld pool is held to the sheet by surface tension.

The ____________________ angle and the angle between the inner cone and the metal have a great effect on the speed of melting and size of the molten weld pool.

Explain how to make a flat butt joint.

​What effect on the weld pool would speeding up or slowing down have?

Burn-through does not happen to molten metal until it reaches the ____________________ temperature.

The ideal angle for the welding torch is ____.

​Why would you use a back stepping welding technique?

A change in the number of sparks given off by the weld as it progresses can be used as an indication of ____.

​Why would you not reduce the flame size below its correct setting if the torch flame is too large for the job?

Some joints, such as the lap joint, may never need 100% ____; however, they do need 100% ____.

In a lap joint, heat is conducted away faster in the ____________________ plate.

Building up the molten weld pool before it is ended will help prevent crater ____________________.

Which of the following is true of making a proper stop?

The ____________________ must be protected by the secondary flame to prevent the atmosphere from contaminating the metal.

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

Welding rod size and ____________________ can be used to control the weld bead characteristics.

____________________ the torch off allows the molten weld pool to cool by moving the hotter inner cone away from the molten weld pool itself.

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

Plasma Arc Cutting

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, Operation, and Filler Metals

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 of Welds

Welding Metallurgy

Weldability of Metals

Filler Metal Selection

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding and Cutting Equipment, Setup, and Operation

Brazing, Braze Welding, and Soldering

Filters

By controlling the torch flame carefully it is possible to ____________.

What effect on the weld pool would speeding up or slowing down have?

Why would you use a back stepping welding technique?

Why would you not reduce the flame size below its correct setting if the torch flame is too large for the job?

Some joints, such as the lap joint, may never need 100% ; however, they do need 100% .

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