Exam 7: Flame Cutting

If the cutting stream is too fast, ____.

​What does the term kindling temperature mean?

​What color should most steels be at before a cut is started?

____________________ slag is very porous, brittle, and easily removed from a cut.

​What are some of the various oxyfuel cutting specialties that can be found on a job?

​Why is the oxygen turned on for a moment after a tip is cleaned?

If an excessive amount of preheat flame is used, ____.

The ____________________ may require two oxygen regulators, one for the preheat oxygen and the other for the cutting oxygen stream.

The mixing chamber may be located in ____.

The number of preheat holes determines the ____.

​Combination cutting and welding sets are often used in ____________.

​Which organization has a standard numbering system for sizing cutting tips?

Explain why a cutting torch should never be used to open a used can, drum, tank, or other sealed container.

The distance that the bottom of the cut is behind the top is known as the ____________________.

Most hand torches will not easily cut metal that is more than ____ inches thick.

When a left-handed welder is making a cut with a hand torch, the torch should be braced ____.

Acetylene is used in tips having ____ preheat holes.

Explain what distortion is, and how it can be prevented.

____ is produced by the metal as it burns.

The distance from the inner cones of the flame to the surface of the plate is known as the ____________________ distance.