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