Exam 7: Flame Cutting

If the pressure setting is too high, ____.

In a cutting torch, ____________________ is mixed with the fuel gas to form a high-temperature preheating flame.

When cutting ____________________ diameter pipe, the torch tip is held straight up and down and moved from the center to each side.

If ____________________ is used in tips designed for other fuel gases, the tip may overheat.

____ contains little or no unoxidized iron.

Which of the following metals are easy to cut using oxyfuel gas cutting?

Which of the following determines the amount of preheat flame required to make a cut?

​When mild steel is cut, it forms a light gray colored oxide which primarily consists of ____.

When metal is burned away, ____.

Most cutting tips are made of ____.

Explain the chemistry of a cut.

The ____________________ is the lowest temperature at which a material will burn.

The kindling temperature of iron is ____.

When cutting pipe freehand, if the pipe is larger than three inches in diameter, ____.

If the cutting tip seat or the torch head seat is damaged, ____.

​All pressure regulators _______.

Explain the difference between soft slag and hard slag.

The space produced during the cutting process is the ____.

A machine cutting torch is sometimes referred to as a(n) ____.

____ is when metal bends or twists out of shape as a result of being heated during the cutting process.