2082075
Beschreibung
Quiz von Andrew Hewko, aktualisiert more than 1 year ago
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Erstellt von Andrew Hewko
vor mehr als 9 Jahre
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Frage 1
Frage
More people use the oxyfuel cutting torch than any other welding process.
Antworten
- True
- False
Frage 2
Frage
Low carbon steels are difficult to cut.
Antworten
- True
- False
Frage 3
Frage
Goggles or other suitable eye protection must be used for flame cutting.
Antworten
- True
- False
Frage 4
Frage
Oxygen need not be completely mixed with the fuel gas before they leave the tip and create the flame.
Antworten
- True
- False
Frage 5
Frage
Chrome plating causes spatter to stick to the tip, prolonging cleanup.
Antworten
- True
- False
Frage 6
Frage
Materials that are round or covered in rust require less preheat flame.
Antworten
- True
- False
Frage 7
Frage
Acetylene can be used in any tip.
Antworten
- True
- False
Frage 8
Frage
A tiny movement such as a heartbeat can cause a ripple in the cut.
Antworten
- True
- False
Frage 9
Frage
A slight forward torch angle keeps the tip clean for a longer period of time.
Antworten
- True
- False
Frage 10
Frage
A cutting torch should never be used to cut open a sealed container.
Antworten
- True
- False
Frage 11
Frage
The mixing chamber may be located in ______.
Antworten
-
the torch body or the tip
-
a separate location in the weldin shop
-
the portable mixing machine
-
the oxygen tube
Frage 12
Frage
Which of the following determines the amount of preheat flame required to make a cut?
Antworten
-
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
Frage 13
Frage
Acetylene is used in tips having ______ preheat holes.
Antworten
-
one to three
-
one to six
-
three to five
-
three to eight
Frage 14
Frage
When removing a cutting tip, if the tip is stuck in the torch head, _______.
Antworten
-
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
Frage 15
Frage
If the cutting tip seat or the torch head seat is damaged, _____.
Antworten
-
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
Frage 16
Frage
If a large cutting tip pops when the acetylene is turned off, ______.
Antworten
-
turn the oxygen off first
-
turn the acetylene back on
-
it is defective and must be discarded
-
it must be repaired
Frage 17
Frage
When a left-handed welder is making a cut with a hand torch, the torch should be braced _______.
Antworten
-
with the left hand
-
with both hands
-
with a clamp
-
with the right hand
Frage 18
Frage
The kindling temperature of iron is _______.
Antworten
-
600 degrees Fahrenheit
-
1000 degrees Fahrenheit
-
1200 degrees Fahrenheit
-
1600 degrees Fahrenheit
Frage 19
Frage
When metal is burned away, ______.
Antworten
-
oxygen forms an iron oxide
-
oxygen forms iron dioxide
-
the iron turns to cast iron
-
the iron turns to oxygen
Frage 20
Frage
_____ is produced by the metal as it burns.
Antworten
-
Carbon
-
Iron
-
Heat
-
Ash
Frage 21
Frage
If the cutting stream is too fast, _______.
Antworten
-
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
Frage 22
Frage
If the pressure setting is too high, ______.
Antworten
-
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
Frage 23
Frage
______ contains little or no unoxidized iron.
Antworten
-
Soft slag
-
Hard slag
-
Magnesium
-
Zinc
Frage 24
Frage
Most hand torches will not easily cut metal that is more than _____ inches thick.
Antworten
-
three to five
-
five to seven
-
seven to ten
-
ten to twelve
Frage 25
Frage
______ is when metal bends or twists out of shape as a result of being heated during the cutting process.
Antworten
-
Hardening
-
Bending
-
Dishing
-
Distortion
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