Podcast
Questions and Answers
What is the ideal way to move the cutting torch along the work piece?
What is the ideal way to move the cutting torch along the work piece?
- Too slowly to avoid overheating
- In a zigzag pattern for a smooth cut
- Just fast enough for the flame to penetrate completely (correct)
- Too rapidly for better efficiency
What happens when the torch is moved too rapidly during cutting?
What happens when the torch is moved too rapidly during cutting?
- The metal oxidizes and cuts easily
- Large drag is experienced due to insufficient heat (correct)
- The bottom metal gets sufficient heat for cutting
- A clean cut with negligible drag occurs
How is a good cut characterized?
How is a good cut characterized?
- Overheating and melting through the work piece
- Large amount of slag generated at the bottom
- Moving the torch in a circular motion
- Small kerf width and a sharp edge on the work piece (correct)
What does 'kerf' refer to in metal cutting?
What does 'kerf' refer to in metal cutting?
For cutting thick steel, how should the torch be positioned?
For cutting thick steel, how should the torch be positioned?
What is a common direction to start cutting steel for a right-handed person?
What is a common direction to start cutting steel for a right-handed person?
What should be worn when working overhead or in a confined space?
What should be worn when working overhead or in a confined space?
What is the recommended method for testing leaks in oxy-fuel apparatus?
What is the recommended method for testing leaks in oxy-fuel apparatus?
What should you do after work is complete according to the text?
What should you do after work is complete according to the text?
What type of clothing should not be worn while welding or cutting?
What type of clothing should not be worn while welding or cutting?
What can pass through cracks, along pipes, and through wall or floor openings according to the text?
What can pass through cracks, along pipes, and through wall or floor openings according to the text?
What should be done if oil or grease is present on oxy-acetylene apparatus?
What should be done if oil or grease is present on oxy-acetylene apparatus?
What should you do before lighting the torch to prevent an accident?
What should you do before lighting the torch to prevent an accident?
Why is it important to keep the tip of the torch pointed away from your body?
Why is it important to keep the tip of the torch pointed away from your body?
What is the recommended filter lens number for welding goggles or face shields?
What is the recommended filter lens number for welding goggles or face shields?
What should you avoid wearing while welding to prevent burns and injury?
What should you avoid wearing while welding to prevent burns and injury?
How should you open the valve on the acetylene cylinder?
How should you open the valve on the acetylene cylinder?
What should you use to light the torch instead of matches?
What should you use to light the torch instead of matches?
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