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Welding Safety Practices

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Questions and Answers

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?

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?

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?

The narrow gap formed in metal as cutting progresses Signup and view all the answers

For cutting thick steel, how should the torch be positioned?

Tip almost vertical to the surface of the metal Signup and view all the answers

What is a common direction to start cutting steel for a right-handed person?

From right to left Signup and view all the answers

What should be worn when working overhead or in a confined space?

Ear protection Signup and view all the answers

What is the recommended method for testing leaks in oxy-fuel apparatus?

Using soapy water Signup and view all the answers

What should you do after work is complete according to the text?

Inspect the area for possible fires or smoldering materials Signup and view all the answers

What type of clothing should not be worn while welding or cutting?

Oily or greasy clothing Signup and view all the answers

What can pass through cracks, along pipes, and through wall or floor openings according to the text?

Flying sparks and falling slag Signup and view all the answers

What should be done if oil or grease is present on oxy-acetylene apparatus?

Not use the apparatus Signup and view all the answers

What should you do before lighting the torch to prevent an accident?

Purge oxygen and acetylene hoses Signup and view all the answers

Why is it important to keep the tip of the torch pointed away from your body?

To avoid saturating clothing with oxygen or acetylene Signup and view all the answers

What is the recommended filter lens number for welding goggles or face shields?

No. 4 filter lens Signup and view all the answers

What should you avoid wearing while welding to prevent burns and injury?

Synthetic fiber clothing Signup and view all the answers

How should you open the valve on the acetylene cylinder?

Open no more than three-fourths of a turn Signup and view all the answers

What should you use to light the torch instead of matches?

Approved lighter Signup and view all the answers