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What is not a requirement for the SMAW process? |
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what is and incorrect statement about an E7018 electrode? |
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Definition
They are suitable for flat position and horizontal fillet only |
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The distance from the molten tip of the SMAW electrode to the surface of the molten weld pool schould be |
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Which of the following electrodes is not suitable for use in all positions? |
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Which if the following electrodes would you select to produce a weld with shallow penetration? |
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An engine- driven generator without a rectifier produces what form of welding current? |
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Which group of electrodes is low hydrogen type? |
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magnetic forces associated with direct current |
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Duty cylce is a term used to indicate the...? |
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Definition
Percentage of time in a 24 hour cycle that a machine can operate at rated output |
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When the welding machine is set to DCEP, cutrrent flows? |
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Definition
from the work to the electrode |
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Which of the following welding cable sizes is the largest? |
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Definition
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Rectifiers are noted for their ability to..? |
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in north america, alternating current changes direction... |
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Definition
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In order to reduce waste and control cost, you should weld until the electrode is |
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Definition
down to the classification numbers |
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Term
The last digit in the electrode classification E7018 idicates. |
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Definition
Type of current and electrode coating |
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Term
THe E7024 electrode can be used in |
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Definition
flat positon and horizontal fillets only |
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The electrode classification that indicates a deep penetrating electrode that can be used with alternating current (AC) current is |
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Definition
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Back-steeping at the end of a weld made with the SMAW process |
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Definition
help to prevent crater cracking |
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the first two digits of the electrode classification indicate the... |
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Definition
minimum tensile strength of the deposited weld. |
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An E6010 deep penetrating electrode belongs to |
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Definition
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In GMAW, the shielding for the molten matal is accomplished through the use of.. |
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Definition
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GMAW us the abbreviation for |
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Definition
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In GMAW, isufficiant gas flow can cause? |
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Definition
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A warn contact tube results in... |
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Definition
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The benefit of copper coated electrode wires is |
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Definition
better arc starts, increases contact tip life, improved wire feeding |
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What type of power source is used for GMAW? |
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Definition
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In GMAW, which type of metal transfer is restricted to a flat position and horizontal. |
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Definition
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What type of electrode wire is used with GMAW? |
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Definition
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Term
in GMAW, the amperage is controlled by adjusting the |
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Definition
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in gas metal arc welding, electrode extension is defined as the distance from the.. |
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Definition
end of the contact tube to the tip of the wire |
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Term
Which AWS electrode classification is correct for GMAW wire? |
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Definition
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Which of the following is considered an advantage of the GMAW process? |
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Definition
Higher deposition rates than manual processes, easy to use comapared to manual processes, Less electrode waste then with SMAW. |
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ELectric current is transferred to the electrode through the... |
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Definition
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Term
what shielding gas or gas mixture with not produce spray transfer? |
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Definition
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The contact tube should be? |
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Definition
sized to match the the wire diameter |
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What does the 70 indicate in the electrode classification ER70S-3 |
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Definition
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Excessive amounts of weld spatter in the nozzle may cause |
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Definition
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which of the following is not recommended when welding with short-circuiting |
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Definition
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which of the following is not an advantage of the GMAW process |
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Definition
good for use in windy areas |
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Term
The transfer mode that uses low currents, low voltage, and small diameter electrode wire to weld in all positions is called |
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Definition
short circuiting transfer |
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Term
what positions and types of welds can be successfully welded using the spray transfer mode on carbon steel? |
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Definition
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Term
which of the shielding gas or gas mixture is most often used for welding carbon steel with the short-circuiting transfer mode? |
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Definition
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Term
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Definition
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Potential hazards related to arc welding are.. |
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Definition
radiation, fumes, toxic gases. |
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Term
when using a fire extinguisher to eliminate a fire it should be pointed to the |
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Definition
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What type of fire extingusher should be used on an electical fire |
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Definition
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What are the initials of the federal organization created to insure safe and sanitary working conditions for employees |
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The maximum safe working pressure for Acetylene is |
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Definition
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Vaporized metals, such as zinc, cadmium, lead, chromium and berylllium |
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Definition
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Fuel gas hoses are usually colored |
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Definition
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Term
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Definition
a burn to the eye caused by exposure to ultriviolet light from the welding arc |
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Term
one should never enter a welding shop without wearing |
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Definition
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Term
what should one never use on gas cylinders, regualtors, connections and hoses? |
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Definition
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one should never weld or cut directly against |
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Definition
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Term
one should never operate arc welding euipment while |
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Definition
standing on wet or damp floors |
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Term
A burn that caused the skin to blister is referred to as a |
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Definition
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Term
The selection of a corrext lens shade number depends on the |
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Definition
amount of welding current being used |
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Term
federal regualtion requires that hazardous information about a product be provided to all users of the product. The form used to provide this information is called a(n) |
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Definition
Material Safety Data Sheet (MSDS) |
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Term
Which of the following is the only acceptable method for lighing oxyfuel torches? |
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Definition
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Areas that have less then____ cubic feet per welder, or that have cielings less than 16ft high, require forced ventilation. |
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Definition
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A confined space is one that? |
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Definition
is large enough that a person can enter and perform tasks |
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Definition
authorizes the performance of work potentially posing a fire hazard |
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