Plasma Arc Cutting Quiz

What is the primary function of plasma arc cutting (PAC)?

• To weld metal pieces together

• To paint metal surfaces

• To pierce, cut, and gouge metal

• To polish metal surfaces

What is created by superheating gas in an electric arc in PAC?

• Plasma

• Steam

• Smoke

• Liquid metal

Which of the following is an advantage of plasma arc cutting?

• Produces a large amount of dross

• Cuts only ferrous metals

• Creates a very minimal heat-affected zone

• Requires no protective equipment

What is one of the main advantages of plasma arc cutting?

• Causes significant distortion

• Produces a wide kerf

• Possesses high cutting speeds

• Requires no electrical power supply

What temperature can the plasma cutting jet reach?

• 10,000°F

• 20,000°F

• 30,000°F

• 40,000°F

What should always be worn for protection during welding or cutting?

• Regular glasses

• Safety goggles with a full face shield or helmet

• Sunglasses

• Earplugs

What is a key safety practice when using a plasma arc cutting torch?

• Use the torch without any protective gear

• Place hands under the workpiece near the cutting jet

• Ensure the PAC power source is turned off before disassembling

• Use flammable gases like in oxyfuel processes

What type of footwear should be worn to protect against flying sparks and molten metal?

• Sandals

• 8" or taller high-top safety shoes or boots

• Sneakers

• Flip-flops

What should be done before cutting or welding containers such as tanks or barrels?

• Fill them with water

• Check for explosive, hazardous, or flammable materials

• Paint them

• Heat them

Why should oxygen never be used to blow off clothing?

• It can make the clothing wet

• It can cause the clothing to shrink

• It can remain trapped in the fabric and ignite

• It can make the clothing heavy