PAC
what does PAC stand for
Plasma Arc Cutting
what does psi stand for?
pounds per square inch
name all the positions you weld with a E7018
flat, horizontal, vertical, overhead.
what one piece of equipment must be worn at all time in the weld shop?
Safety glasses
GMAW uses what polarity
DCEP
what two other types of metal can PAC cut that OFC cannot?
Aluminum and Stainless steel
what are two types of fuel you can use for OFC?
acetylene , propane , LPG , natural gas, propylene.
what does the (70) in E7018 represent?
70,000 psi tensile
what type of fire extinguisher is used for electrical fires?
Type C
what is another name for direct current
reversed polarity
you need ionized gas or what to use PAC
Compressed air
what color are fuel hoses?
red
what position is 3F / 3G
Vertical
what does PPE stand for?
Personal protective equipment
what size tip is used to cut 3/8" plate steel with OFC?
0
you must connect what to the workpiece to PAC
the ground clamp
fuel hoses have what kind of threads
reversed
what type of electrodes would need to be in a rod oven?
low hydrogen rods
what is a burn that causes blisters to the skin?
convert 1/4" to decimal
.250
what polarity is used for PAC
DCEN
what is the max safe operating psi for acetylene
15 psi
what position can you weld with a E7024
Flat and horizontal
UV light from welding can cause what?
sunburn
before making a cut with OFC you must do what to the metal first?
pre heat