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All the Pews on One Arrow

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Oxy-Fuel Cutting Test Answers

1. d 2. b 3. a 4. b 5. a 6. a 7. b 8. a 9. b 10. b 11. b 12. b 13. a 14. a 15. a 16. b 17. a 18. a 19. a 20. d 21. c 22. a 23. b 24. c 25. a
Oxy-Fuel Equipment Cutting Test-KEY
1. What fuel gas is most frequently used?
a. Mapp b. Propane c. Natural Gas d. Acetylene

2. A combination torch is used for cutting only a. True b. False

3. If acetylene is used in a tip with more than eight preheat holes or in a two-piece tip the cutting tip will overheat and explode.

a. True b. False

4. A cutting torch is used for cutting, welding, and heating.

a. True b. False

5. Most hand torches can cut metal up to seven inches thick.

a. True b. False

6. It is possible to cut steel that is four feet thick.

a. True b. False

7. Acetylene should be used in a two-piece cutting tip.

a. True b. False

8. Acetylene cutting tips should be one piece with 1 to 6 preheat holes.

a. True b. False

9. The chance of a flashback is less with low pressure regulator settings that with high pressure settings. a. True b. False

10. The oxyfuel gas cutting torch works as a result of the metal being rapidly melted. a. True b. False

11. Hard slag is easier than soft slag to remove.

a. True b. False

12. Distortion is not a problem if the correct fuel gas is used.

a. True b. False

13. By looking at the drag lines in a cut, you can determine whether the cut was made correctly or incorrectly.

a. True b. False

14. The two major methods for controlling distortion while make a cut is making two parallel cuts at the same time and speed and making a short cut and skipping a strip to keep the plate from separating.

a. True b. False

15. The advantaged of a combination welding and cutting torch is it can be used for cutting, welding and heating.

a. True b. False

16. When cutting thick, round, dirty, or rusty, metals it is not necessary to use more preheat flames. a. True b. False

17. Oxygen is turned on while a welder is cleaning a tip to blow out debris.

a. True b. False

18. A welder can correctly set the gas pressure without a chart by watching the flame.

a. True b. False

19. If a metal is to be cut by oxyfuel gas cutting process the metal must have the ability to be oxidized. a. True b. False

Match the following words to the correct definition
a. kindling temperature b. kerf c. slag d. oxide
20. Rust. d) oxide

21. The material left after a cut. c) slag

22. Temperature that a material will burn. a) kindling temperature

23. The width of cut a torch makes. b) kerf

a. MPS gases b. hand cutting c. psig
24. Pounds of pressure (gas). c) psig

ame: ______________________ Date: ______________25. Mapp gas a) MPS gases

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