Quiz
Chapter 7: Flame Cutting
Perguntas do quiz (25)
1More people use the oxyfuel cutting torch than any other welding process.
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- BFalso
2Low carbon steels are difficult to cut.
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3Goggles or other suitable eye protection must be used for flame cutting.
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4Oxygen need not be completely mixed with the fuel gas before they leave the tip and create the flame.
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5Chrome plating causes spatter to stick to the tip, prolonging cleanup.
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6Materials that are round or covered in rust require less preheat flame.
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7Acetylene can be used in any tip.
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8A tiny movement such as a heartbeat can cause a ripple in the cut.
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9A slight forward torch angle keeps the tip clean for a longer period of time.
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10A cutting torch should never be used to cut open a sealed container.
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11The mixing chamber may be located in ______.
- Athe torch body or the tip
- Ba separate location in the weldin shop
- Cthe portable mixing machine
- Dthe oxygen tube
12Which of the following determines the amount of preheat flame required to make a cut?
- AArc length, material thickness and cutting tip diameter
- BAmperage, cutting tip diameter, and type of fuel gas
- CMaterial shape, arc length, and amperage
- DType of fuel gas, material thickness, shape and surface condition
13Acetylene is used in tips having ______ preheat holes.
- Aone to three
- Bone to six
- Cthree to five
- Dthree to eight
14When removing a cutting tip, if the tip is stuck in the torch head, _______.
- Acut of the tip and discard it
- Bdiscard the torch head
- Ctap the back of the head with a plastic hammer
- Dtap the side of the tip with a plastic hammer
15If the cutting tip seat or the torch head seat is damaged, _____.
- Ait must be discarded
- Bit can be repaired using a plastic hammer
- Cit can be repaired using a rearmer
- Dit can be cut apart and welded back together
16If a large cutting tip pops when the acetylene is turned off, ______.
- Aturn the oxygen off first
- Bturn the acetylene back on
- Cit is defective and must be discarded
- Dit must be repaired
17When a left-handed welder is making a cut with a hand torch, the torch should be braced _______.
- Awith the left hand
- Bwith both hands
- Cwith a clamp
- Dwith the right hand
18The kindling temperature of iron is _______.
- A600 degrees Fahrenheit
- B1000 degrees Fahrenheit
- C1200 degrees Fahrenheit
- D1600 degrees Fahrenheit
19When metal is burned away, ______.
- Aoxygen forms an iron oxide
- Boxygen forms iron dioxide
- Cthe iron turns to cast iron
- Dthe iron turns to oxygen
20_____ is produced by the metal as it burns.
- ACarbon
- BIron
- CHeat
- DAsh
21If the cutting stream is too fast, _______.
- Athe cutting stream may gouge the side of the cut
- Bthe top edge may be melted or rounded off
- Cthe cut may be incomplete
- Dthe sides of the kerf may be dished
22If the pressure setting is too high, ______.
- Athe cutting stream may gouge the side of the cut.
- Bthe top edge may be melted or rounded off
- Cthe cut may be incomplete
- Dthe sides of the kerf may be dished
23______ contains little or no unoxidized iron.
- ASoft slag
- BHard slag
- CMagnesium
- DZinc
24Most hand torches will not easily cut metal that is more than _____ inches thick.
- Athree to five
- Bfive to seven
- Cseven to ten
- Dten to twelve
25______ is when metal bends or twists out of shape as a result of being heated during the cutting process.
- AHardening
- BBending
- CDishing
- DDistortion
Informações
- Descrição
- Technical Welding WT-38 (Chapter 7: Flame Cutting) Quiz sobre Chapter 7: Flame Cutting, criado por Andrew Hewko em 20-02-2015.
- Autor
- Andrew Hewko
- Idioma
- English
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- 642
- Etiquetas
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