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16 Cards in this Set

  • Front
  • Back
Abrasive blasting materials.
Sand
Aluminum oxide
Chilled iron grit
Steel balls
Cut wire
Granular aluminum odixe
Corn cob
Nutshell
Two types of abrasive blasting.
Air blasting
Wet blasting
Battery (Lead-Acid) Manufacture hazardous materials.
Sulfuric Acid
Arsenic (contaminant)
Arsine (remelt operations)
H2 gas
Cement manufacture stages.
Clinker manufacture
Limestone and clay are blended and ground then baked in a kiln.
Cement manufacture stages.
Clinker grinding.
The clinker is ground in a mill, screened and then stored.
Cement manufacture composition.
Calcium oxide.
Silicon dioxide.
Aluminum trioxide
Degreasing types:
Cold
Soak cleaning
Vapor phase degreasing
Vapor phase degreasing
Solvent is heated to boiling. Solvent vapors condense on part and drip off.
Chemicals used in dry cleaning:
Stoddard solvent
Perchloroethylene
Fluorocarbon 113
Anodizing.
Work piece is the anode. Pb is the cathode. Process conducted in a chromic acid bath.
Foundry steps
Making pattern - Making the casting.
Melting and refining metal - heat in cupola, pour into mold, shakeout, and fettle to remove unwanted metal.
Petroleum refinery chemicals:
Benzene and H2S.
Glass industry chemical hazards:
Silica
Soda
Lime
IR
HF for etching.
Tannery chemical hazards:
Dry-salting.
Soaking pits: Caustic soda.
Beam house: Lime
Pickling: H2SO4 or HCL
Other acids, NH3, caustics.
Contact dermatitis from the hides.
Three common forms of welding.
Electric arc
Flame
Electric resistance
Arc Welding
Common dangers are UV and IR.
Fumes: Iron oxide, chromium, nickel, lead, cadmium, beryllium.