Unit 3b - Oxy-acetylene Torches Quiz-2
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Unit 3b (Oxy-Acetylene Torches)
Questions and Answers
- 1.
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In regards to storage, cylinders which 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
- 2.
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Which parts of the torch are the arrows pointing to?- 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"
- 3.
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When shutting down, the following should be done in what order? 1. Close cylinders2. Close acetylene valve on torch, followed by the oxygen3. Relieve line pressure valves4. Re-open Torch valves and allow for line to bleed off5. 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"
- 4.
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A flashback arrestor is sometimes required.- A.
TRUE
- B.
FALSE
- 5.
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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
- 6.
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Acetylene is a ___________ gas.- A.
Stable
- B.
Unstable
- 7.
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Typical setup is:- Tank/Cylinders- Regulators- Hoses- Torch- Fire Extinguiher- A.
TRUE
- B.
FALSE
- 8.
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Oxygen is a _____________ gas.- A.
Combustible
- B.
Non-Combustible
- C.
Flammable
- D.
Explosive
- 9.
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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
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