Understanding Plasma Arc Cutting

Front

Which of the following is the primary gas used in most plasma arc cutting operations? Oxygen, Compressed air, Argon, Nitrogen

Back

Compressed air

Front

What is the main function of the electrode in a plasma cutter?

Back

To conduct electricity and create the plasma arc

Front

Which component of a plasma cutter directs the flow of plasma to the workpiece?

Back

Nozzle

Front

Which of the following is a common application of plasma arc cutting?
Options: Welding plastic pipes, Cutting stainless steel sheets, Drilling holes in wood, Soldering electronic components

Back

Cutting stainless steel sheets

Front

What should be checked regularly to ensure the safe operation of a plasma cutter?

Back

The condition of cables and hoses

Front

Which of the following best describes the plasma cutting process? Options: Melting metal with a laser beam, Using a high-velocity jet of ionized gas to cut through metal, Grinding metal with an abrasive wheel, Joining metals by heating them

Back

Using a high-velocity jet of ionized gas to cut through metal

Front

Why is it important to replace worn nozzles in a plasma cutter?

Back

To maintain cut quality and prevent torch damage

Front

A student notices irregular cuts and excessive dross on the workpiece. Which maintenance action should be taken first?

Back

Inspect and clean the nozzle and electrode

Front

If a plasma cutter is not starting the arc, which component should be checked for proper connection?

Back

Ground clamp

Front

How does the choice of gas affect the plasma cutting process for different materials?

Back

It influences cut quality and speed for specific metals