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