intro to weld chapter 08

The production of the plasma requires a(n) ____ power supply.

direct current

Heat distortion is a greater problem for cuts on ________________.

thicker metal

In stacked cutting of sheets using the PAC process, sheets are held together using ____.

C-clamps

In plasma arc gouging, the torch is held at approximately a ____ degree angle to the metal surface.

45

What effect does the swirling of the plasma gas have?

It causes the plasma stream to become more dense

The temperature created when the arc is concentrated to form a plasma is about ____degrees Fahrenheit.

43,000

High-powered plasma cutting machines have amperages as high as ____ amps, and some very large automated cutting machines may have 1000-ampere capacities.

200

When air is used for the plasma gas, it must be clean and dry so a ______ must be used.

filter dryer

The sides of the plasma stream are not parallel, so one side of the cut will have a bevel of ______ degree(s).

½ to 3

What will happen if the gas flow is too high?

Turbulence will cause a poor cut