Frage 1
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The Industrial Revolution, from 1750 to 1850, introduced a method of joining pieces of iron together known as forced welding.
Frage 2
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Hammer welding preceded resistance welding.
Frage 3
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Pressure and heat are both necessary to create a weld.
Frage 4
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In some instances, pressure alone may sufficient to force separate pieces of material to combine and form one piece.
Frage 5
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GTA welding is the cleanest of all the manual welding processes.
Frage 6
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Gas metal arc welding and flux cored arc welding are very different welding processes, but they use very similar welding equipment.
Frage 7
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The highest paid welders are those who have the education and skills to read blueprints and do the required work to produce a weldment to stick specifications.
Frage 8
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Generally seventeen months of training are required to learn to weld.
Frage 9
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A formal apprenticeship is usually required to become a general welder.
Frage 10
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3/4 inch equals 28 millimeters.
Frage 11
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_________ welding was introduced first.
Antworten
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Forged or hammer
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Resistance
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Fusion
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Oxyacetylene
Frage 12
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Oxyacetylene welding is also refereed to as _________.
Antworten
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gas welding or torch welding
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gas metal arc welding, or just gas welding
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gas flux cored arc welding
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shielded metal arc welding or torch arc welding
Frage 13
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An advantage of ______ welding is that a variety of metal types and metal thicknesses can be joined with one machine.
Antworten
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oxyacetylene
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shielded metal arc
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gas metal arc
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flux cored arc
Frage 14
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______ welding can be used to weld metal ranging in thickness from thin-gauge sheet metal to heavy plate by making only a few changes in the welding setup.
Antworten
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Oxyacetylene
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Shielded metal arc
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Gas metal arc
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Flux cored arc
Frage 15
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______ welding is extremely fast and economical because it an produce long welds rapidly that require very little post weld cleanup.
Frage 16
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GMA and _____ welding are the first choice for many welding fabricators because these processes are cost effective, produce high quality welds and are flexible and versatile.
Frage 17
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______ cutting uses a stiff, highly ionized, extremely hot column of gas to almost instantly vaporize the metal being cut.
Antworten
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Laser beam
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Air carbon arc
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Oxyfuel arc
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Plasma Arc
Frage 18
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In selecting the joining process, one consideration relates to the ______, such as whether the parts are made out of a standard metal or an exotic alloy.
Frage 19
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Welders' helpers ______.
Antworten
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clean slag from the welds, and help position weldments
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operate machines or automatic equipment used to make welds
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often help the welder by making small welds to hold parts in place
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design, specify, and oversee the construction of complex weldments
Frage 20
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Welding operators _________.
Antworten
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clean slag from the welds, and help position weldments
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operate machines or automatic equipment used to make welds
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often help the welder by making small welds to hold parts in place
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demonstrate good management skill by planning jobs ans assinging workers
Frage 21
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Welding shop owners ______.
Antworten
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have a high degree of skill and knowledge of small business management
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operate machines or automatic equipment used to make welds
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often help the welder by making small welds to hold parts in place
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demonstrate good management skills by planning jobs and assigning workers
Frage 22
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Welding shop supervisors _________.
Antworten
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have a high degree of skill an knowledge of small business management
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operate machines or automatic equipment used to make welds
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position all the parts in their proper places and make ready for the tack welders
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demonstrate good management skills by planning jobs and assigning workers
Frage 23
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Welding engineers _____.
Antworten
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clean slag from the welds, and help position weldments
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position all the parts in their proper places and me ready for the tack welders
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often help the welder by making small welds to hold part in place
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design, specify, and oversee the construction of complex weldments
Frage 24
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A ________ is required to know all the welding process and metallurgy as well as have good math, reading, communication, and design skills.
Antworten
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welding engineer
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welding inspector
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weld's helper
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welder operator
Frage 25
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In many industries, ______ must be able to pass a performance test to specific code or standard.
Antworten
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the welding engineer, the welder, and the welding operator
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the welding engineer, the welding inspector, and the welding shop owner
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the welder, the welding operator, and the tack welder
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the welding operator, the tack welder, and the welder's helper