Podcast
Questions and Answers
What types of welding are mentioned in the text?
What types of welding are mentioned in the text?
- Oxyfuel, laser, and spot
- Gas, electric arc, and electric resistance (correct)
- TIG, MIG, and Stick
- Gas, friction, and ultrasonic
When was welding as we know it today invented?
When was welding as we know it today invented?
- 20th century
- Bronze Age
- 18th century
- 19th century (correct)
What were some of the first successful commercially manufactured aircraft constructed from?
What were some of the first successful commercially manufactured aircraft constructed from?
- Aluminum sheet metal
- Wood and canvas
- Riveted steel plates
- Welded steel tube frames (correct)
Which lighter metals were mentioned as being used in aircraft construction?
Which lighter metals were mentioned as being used in aircraft construction?
What is traditionally defined as a welding process in the text?
What is traditionally defined as a welding process in the text?
Who can learn to weld according to the text?
Who can learn to weld according to the text?
What is the purpose of saturating the cylinders with acetone?
What is the purpose of saturating the cylinders with acetone?
Why should the acetylene pressure gauge never be set higher than 15 psi for welding or cutting?
Why should the acetylene pressure gauge never be set higher than 15 psi for welding or cutting?
What is the main function of a pressure regulator attached to a gas cylinder?
What is the main function of a pressure regulator attached to a gas cylinder?
Which gas is known for its very low chemical reactivity and non-toxic nature?
Which gas is known for its very low chemical reactivity and non-toxic nature?
In what state does helium normally exist?
In what state does helium normally exist?
What does turning the adjustment knob of a pressure regulator 'in' typically do?
What does turning the adjustment knob of a pressure regulator 'in' typically do?
Why is it recommended to stand off to the side away from the face of the gauges when opening the oxygen cylinder valve?
Why is it recommended to stand off to the side away from the face of the gauges when opening the oxygen cylinder valve?
What is the purpose of installing flashback arrestors between the regulator and hose?
What is the purpose of installing flashback arrestors between the regulator and hose?
Why should the acetylene cylinder shutoff valve be opened slowly and then one half of a turn more?
Why should the acetylene cylinder shutoff valve be opened slowly and then one half of a turn more?
Why should cylinders not be depleted in content below 20 psi as a safety practice?
Why should cylinders not be depleted in content below 20 psi as a safety practice?
What is the correct process to blow out both hoses before attaching them to the torch?
What is the correct process to blow out both hoses before attaching them to the torch?
What should be done before connecting the red hose to the torch?
What should be done before connecting the red hose to the torch?
What is the potential consequence of operating torch tips at less than the required volume of gas?
What is the potential consequence of operating torch tips at less than the required volume of gas?
Which factor makes the selection of the tip size important for welding equipment operation?
Which factor makes the selection of the tip size important for welding equipment operation?
What can obstructed tip orifices lead to during welding?
What can obstructed tip orifices lead to during welding?
Which consequence can result from using an incorrect tip size during welding?
Which consequence can result from using an incorrect tip size during welding?
What is a potential issue caused by starvation in torch tips?
What is a potential issue caused by starvation in torch tips?
How can incorrect tip size impact the welding process?
How can incorrect tip size impact the welding process?
What is an important consideration when attempting to weld aluminum for the first time?
What is an important consideration when attempting to weld aluminum for the first time?
How does holding the torch at an angle of about 30° to the surface affect the aluminum welding process?
How does holding the torch at an angle of about 30° to the surface affect the aluminum welding process?
What thickness range is usually recommended for aluminum gas welding?
What thickness range is usually recommended for aluminum gas welding?
Which of the following aluminum alloys is NOT mentioned as weldable in the text?
Which of the following aluminum alloys is NOT mentioned as weldable in the text?
What is recommended as a practice step before attempting butt joint welding in aluminum?
What is recommended as a practice step before attempting butt joint welding in aluminum?
Why is it necessary to observe how aluminum reacts under the welding flame before attempting to weld it?
Why is it necessary to observe how aluminum reacts under the welding flame before attempting to weld it?
