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Torch technique is determined by metal ____ or by depth of bevel
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
The cylinder valve is cracked to remove debris (dust, chips) lodged in the outlet nozzle
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
The four basic welding positions are
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
The correct diameter filler metal is approximately _________ the thickness of the base metal
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
provides an extra boost of current to help establish an arc when using electrodes that are hard to start
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
_____ arc welding consists of a spool of hollow wire filled with flux that is fed through the gun. This process does not require external shielding gas. It is commonly used to weld carbon, low-alloy and stainless steels, and cast iron.
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
determines whether current flows into the workpieces or toward the electrode in a DC circuit
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
has a very distinctive, nauseating odor
True
acetylene
flux core
flat, horizontal, vertical, overhead
thickness
hot start
equal to
polarity
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