Ag Mech II 4.02

For successful cutting in a plasma cutting system, what is imperative to remove from the compressed air?

• radon

• oxygen

• water vapor

• carbon dioxide

Fred is adjusting the arm guide rollers on a metal-cutting band saw to cut a 1/2" piece of metal. How far should he set them from the stock?

• always adjust at 3" from the stock

• as far as possible from the stock

• as close as possible to the stock

• avoid using on stock this thick

Which equipment would be unnecessary for someone operating a portable disc grinder on metal?

• hearing protection

• welding helmet

• safety glasses

• face shield

Before removing scraps from the metal chop saw, the operator should:

• lift the saw blade to the upright position.

• push objects from the saw while the blade is turning.

• make sure the machine is off and the blade is stationary.

• pour water on the scraps to cool them before removing from the saw.

When one makes a cut with a metal chop saw, the blade should always:

• cut approximately 1/4" on the waste side of the marked line.

• cut on the waste side of the marked line.

• cut on the good side of the marked line.

• line up directly with the marked line.

In using a plasma cutting torch, which should Charles have in place on the torch to protect the electrode?

• kerf

• shield

• swirl ring

• torch valve

Which type of electricity is required for a plasma cutting system?

• AC

• CC

• DC

• MC