Unit 3b (Oxy-acetylene Torches)
10 Questions
| Attempts: 1684
You must complete Unit 3B (Oxy-Acetylene Torches) with a score of 90% or higher before continuing to Unit 3C (Toolbox Meetings).
Questions and Answers
- 1.
Typical setup is: - Tank/Cylinders - Regulators - Hoses - Torch - Fire Extinguisher- A.
True
- B.
False
- 2.
Oxygen is a _______ gas.
- A.
Combustible
- B.
Non-Combustible
- C.
Flammable
- D.
Explosive
- 3.
Acetylene is a _______ gas.
- A.
Stable
- B.
Unstable
- 4.
In regards to regulators, you should do all of the following EXCEPT:
- A.
Use for line checks.
- B.
Use to control output pressure.
- C.
Keep petrolium products away.
- D.
Avoid cleaning.
- 5.
A flashback arrestor is sometimes required.
- A.
True
- B.
False
- 6.When using a cutting torch, all but which of the following should be worn?
- A.
Earplugs
- B.
Leather Welder Gloves
- C.
Shaded Glasses
- D.
Snug-fitting Clothes
- 7.
When opening an Acetylene bottle, open the valve slowly, no more than _____ turns.
- A.
1
- B.
1 1/3
- C.
1 1/2
- D.
2
- 8.
When shutting down, the following should be done in what order? 1. Close cylinders. 2. Close acetylene valve on torch, followed by the oxygen. 3. Relieve line pressure valves. 4. Re-open torch valves and allow for line to bleed off. 5. Cap cylinders, wrap up hoses, and store properly.
- A.
1, 2, 3, 4, 5
- B.
2, 1, 4, 3, 5
- C.
1, 2, 4, 3, 5
- D.
2, 1, 3, 4, 5
- 9.
To which parts of the torch are the arrows pointing?
- A.
Cutting attachment, oxygen blast trigger, preheat oxygen.
- B.
Torch handle, cutting tip, preheat oxygen.
- C.
Cutting tip, flow arrestors, preheat oxygen.
- D.
Flow arrestors, control valves, cutting attachment.
- 10.
In regards to storage, cylinders that are full must be stored upright where they are protected from damage. However, empty cylinders may be stored horizontally and on the ground.
- A.
True
- B.
False
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