Welding textbook CH 13 and 14

The accepted name for the empty space that is formed as a result of removing metal with an oxyfuel gas cutting flame is the ____.

• groove

• kerf

• drag

• slot

A cutting tip is usually made from ____ or an alloy.

• steel

• copper

• titanium

• aluminum

A cutting tip is usually connected to the torch tube by ____.

• a threaded nut

• a silver-soldered joint

• accurately machined mating surfaces

• a slip joint using an O-ring seal

A heavy-duty oxygen regulator is the best choice for oxyacetylene cutting because it ____.

• has two stages

• has a larger orifice that permits a higher flow of oxygen

• can handle a pressure of 100–150 psig

• All of the above.

The oxygen pressure required in oxyfuel gas cutting can be as high as 150 psig.

• True

• False

The best way to store torch cutting tips is in a carefully machined steel block.

• True

• False

A piece of angle iron can be used to help cut straight lines more accurately.

• True

• False

Cleaning a cutting tip is done in the same manner as cleaning a welding tip.

• True

• False

Multiple torches can be mounted on a cutting machine.

• True

• False

Mechanical guides control the speed of the cutting operation.

• True

• False