WorksheetsPlasma Cutting
Total questions: 20
Worksheet time: 11mins
What is plasma?
1st state of matter
2nd state of matter
3rd state of matter
4th state of matter
(a) is considered an example of plasma.
How hot is plasma?
20,000 degrees Farenheit
30,000 degrees Farenheit
40,000 degrees Farenheit
50,000 degrees Farenheit
What metal can you cut using a plasma cutter?
Aluminum
Stainless Steel
Mild Steel
Galvanized Steel
What is required for oxy-acetylene cutting to occur?
Copper
Iron
Nickel
Aluminum
Does plasma cutting require a preheat?
Yes
No
Which process is more portable?
Oxyacetylene Cutting
Plasma Cutting
Which polarity will you attach the work clamp to?
Positive
Negative
What do you look at to choose the nozzle you'll be using?
The amps
The volts
The watts
T/F: The torch will work if you have assembled it incorrectly.
True
False
T/F: The drag shield should NEVER touch the work piece.
True
False
T/F: You will keep the same nozzle/amps even with different thicknesses of metal
True
False
Should you replace the nozzle and the electrode at the same time?
Yes
No
What are some of the PPE items have when you should have when plasma cutting? Choose all that apply
Shade 5 lens
Safety Glasses
Shade 9 hood
Synthetic gloves
Welding jacket and leather shoes
What is a kerf?
The safety trigger
The top of the nozzle
The sides of the torch body
The width of the cut
What happens to the kerf if you plasma cut too slow?
The kerf will stay the same
The kerf will get smaller
The kerf will get wider
None of the above
How far can sparks from plasma cutting fly?
10 feet
20 feet
30 feet
40 feet
Which of the following is NOT CORRECT about ventilation for plasma cutting?
It is required.
Don't worry about ventilation.
Always have air movement when cutting.
Turn on the ventilation when cutting.
What is dross?
Melted metal from your cut
Used floss
Metal stored in the back of the shop
Broken tools
T/F: If you are going too slow, dross will only build up on the top of your work piece.
True
False
