Andrew Hewko
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Technical Welding WT-38 (Chapter 7: Flame Cutting) Quiz on Chapter 7: Flame Cutting, created by Andrew Hewko on 20/02/2015.

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Andrew Hewko
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Chapter 7: Flame Cutting

Chapter 7: Flame Cutting

Question 1 of 25

1

More people use the oxyfuel cutting torch than any other welding process.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 25

1

Low carbon steels are difficult to cut.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 25

1

Goggles or other suitable eye protection must be used for flame cutting.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 25

1

Oxygen need not be completely mixed with the fuel gas before they leave the tip and create the flame.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 25

1

Chrome plating causes spatter to stick to the tip, prolonging cleanup.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 25

1

Materials that are round or covered in rust require less preheat flame.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 25

1

Acetylene can be used in any tip.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 25

1

A tiny movement such as a heartbeat can cause a ripple in the cut.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 25

1

A slight forward torch angle keeps the tip clean for a longer period of time.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 25

1

A cutting torch should never be used to cut open a sealed container.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 25

1

The mixing chamber may be located in ______.

Select one of the following:

  • the torch body or the tip

  • a separate location in the weldin shop

  • the portable mixing machine

  • the oxygen tube

Explanation

Question 12 of 25

1

Which of the following determines the amount of preheat flame required to make a cut?

Select one of the following:

  • Arc length, material thickness and cutting tip diameter

  • Amperage, cutting tip diameter, and type of fuel gas

  • Material shape, arc length, and amperage

  • Type of fuel gas, material thickness, shape and surface condition

Explanation

Question 13 of 25

1

Acetylene is used in tips having ______ preheat holes.

Select one of the following:

  • one to three

  • one to six

  • three to five

  • three to eight

Explanation

Question 14 of 25

1

When removing a cutting tip, if the tip is stuck in the torch head, _______.

Select one of the following:

  • cut of the tip and discard it

  • discard the torch head

  • tap the back of the head with a plastic hammer

  • tap the side of the tip with a plastic hammer

Explanation

Question 15 of 25

1

If the cutting tip seat or the torch head seat is damaged, _____.

Select one of the following:

  • it must be discarded

  • it can be repaired using a plastic hammer

  • it can be repaired using a rearmer

  • it can be cut apart and welded back together

Explanation

Question 16 of 25

1

If a large cutting tip pops when the acetylene is turned off, ______.

Select one of the following:

  • turn the oxygen off first

  • turn the acetylene back on

  • it is defective and must be discarded

  • it must be repaired

Explanation

Question 17 of 25

1

When a left-handed welder is making a cut with a hand torch, the torch should be braced _______.

Select one of the following:

  • with the left hand

  • with both hands

  • with a clamp

  • with the right hand

Explanation

Question 18 of 25

1

The kindling temperature of iron is _______.

Select one of the following:

  • 600 degrees Fahrenheit

  • 1000 degrees Fahrenheit

  • 1200 degrees Fahrenheit

  • 1600 degrees Fahrenheit

Explanation

Question 19 of 25

1

When metal is burned away, ______.

Select one of the following:

  • oxygen forms an iron oxide

  • oxygen forms iron dioxide

  • the iron turns to cast iron

  • the iron turns to oxygen

Explanation

Question 20 of 25

1

_____ is produced by the metal as it burns.

Select one of the following:

  • Carbon

  • Iron

  • Heat

  • Ash

Explanation

Question 21 of 25

1

If the cutting stream is too fast, _______.

Select one or more of the following:

  • the cutting stream may gouge the side of the cut

  • the top edge may be melted or rounded off

  • the cut may be incomplete

  • the sides of the kerf may be dished

Explanation

Question 22 of 25

1

If the pressure setting is too high, ______.

Select one of the following:

  • the cutting stream may gouge the side of the cut.

  • the top edge may be melted or rounded off

  • the cut may be incomplete

  • the sides of the kerf may be dished

Explanation

Question 23 of 25

1

______ contains little or no unoxidized iron.

Select one of the following:

  • Soft slag

  • Hard slag

  • Magnesium

  • Zinc

Explanation

Question 24 of 25

1

Most hand torches will not easily cut metal that is more than _____ inches thick.

Select one of the following:

  • three to five

  • five to seven

  • seven to ten

  • ten to twelve

Explanation

Question 25 of 25

1

______ is when metal bends or twists out of shape as a result of being heated during the cutting process.

Select one of the following:

  • Hardening

  • Bending

  • Dishing

  • Distortion

Explanation

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