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Chapter 7: Flame Cutting

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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.
Andrew Hewko
Quiz by Andrew Hewko, updated more than 1 year ago
Andrew Hewko
Created by Andrew Hewko almost 10 years ago
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Resource summary

Question 1

Question
More people use the oxyfuel cutting torch than any other welding process.
Answer
  • True
  • False

Question 2

Question
Low carbon steels are difficult to cut.
Answer
  • True
  • False

Question 3

Question
Goggles or other suitable eye protection must be used for flame cutting.
Answer
  • True
  • False

Question 4

Question
Oxygen need not be completely mixed with the fuel gas before they leave the tip and create the flame.
Answer
  • True
  • False

Question 5

Question
Chrome plating causes spatter to stick to the tip, prolonging cleanup.
Answer
  • True
  • False

Question 6

Question
Materials that are round or covered in rust require less preheat flame.
Answer
  • True
  • False

Question 7

Question
Acetylene can be used in any tip.
Answer
  • True
  • False

Question 8

Question
A tiny movement such as a heartbeat can cause a ripple in the cut.
Answer
  • True
  • False

Question 9

Question
A slight forward torch angle keeps the tip clean for a longer period of time.
Answer
  • True
  • False

Question 10

Question
A cutting torch should never be used to cut open a sealed container.
Answer
  • True
  • False

Question 11

Question
The mixing chamber may be located in ______.
Answer
  • the torch body or the tip
  • a separate location in the weldin shop
  • the portable mixing machine
  • the oxygen tube

Question 12

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

Question 13

Question
Acetylene is used in tips having ______ preheat holes.
Answer
  • one to three
  • one to six
  • three to five
  • three to eight

Question 14

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

Question 15

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

Question 16

Question
If a large cutting tip pops when the acetylene is turned off, ______.
Answer
  • turn the oxygen off first
  • turn the acetylene back on
  • it is defective and must be discarded
  • it must be repaired

Question 17

Question
When a left-handed welder is making a cut with a hand torch, the torch should be braced _______.
Answer
  • with the left hand
  • with both hands
  • with a clamp
  • with the right hand

Question 18

Question
The kindling temperature of iron is _______.
Answer
  • 600 degrees Fahrenheit
  • 1000 degrees Fahrenheit
  • 1200 degrees Fahrenheit
  • 1600 degrees Fahrenheit

Question 19

Question
When metal is burned away, ______.
Answer
  • oxygen forms an iron oxide
  • oxygen forms iron dioxide
  • the iron turns to cast iron
  • the iron turns to oxygen

Question 20

Question
_____ is produced by the metal as it burns.
Answer
  • Carbon
  • Iron
  • Heat
  • Ash

Question 21

Question
If the cutting stream is too fast, _______.
Answer
  • 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

Question 22

Question
If the pressure setting is too high, ______.
Answer
  • 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

Question 23

Question
______ contains little or no unoxidized iron.
Answer
  • Soft slag
  • Hard slag
  • Magnesium
  • Zinc

Question 24

Question
Most hand torches will not easily cut metal that is more than _____ inches thick.
Answer
  • three to five
  • five to seven
  • seven to ten
  • ten to twelve

Question 25

Question
______ is when metal bends or twists out of shape as a result of being heated during the cutting process.
Answer
  • Hardening
  • Bending
  • Dishing
  • Distortion
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