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22 Cards in this Set
- Front
- Back
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The maximum permitted soun level for 8 hour a day |
85 dBA |
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Shade for medium amperage welding |
11 |
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Prescription safety glasses |
CSA |
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Ergonomic |
Sd |
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Workers compensation board |
S |
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Never alter or modify ppe |
F |
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Assetilen pressure limitsd |
F |
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Accetilen and coper or brass |
Explosive material |
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Accetilen ignition % in air |
2.5 to 80% |
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3 tube cutting mixing chamber |
In the contact tube |
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Scba |
Self contained breathing apparatus |
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Zinc metal fume |
Galvanized metal alloy in brasses Major cause of metal fume fever |
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Rust inhibitors create |
Phosphine gas |
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Chlorinated hydrocarbon degreasers create |
Phosgene gass Death |
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Hydrogen sulphide |
500ppm can cause immediate unconsciousness or seizers Ohs regulation 8 hour 10ppm limit |
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GFCI |
Ground fault circuit interrupter |
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Acceptable o2 level in the confined space |
19.5 to 23 |
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One of Cutting flame charicteristics |
A high rate of flame propagation Speed at which the flame travels in air |
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Explosive range of acetylene |
In air. 2.5 to 80 In o2. 3.0 to 93 |
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The maximum safe working presure of acetylene |
103 kpa 15 psi |
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Oxygen cylinder valve safety device |
A metal rupture disc Rupture at 22063 kp 3200 psi Usually 70f21c 15200 kpa 2200 psi charged |
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Acetylene cylinder |
Portland cement 75 to 80 porous Fusible metal plug Under 15 psi Acetone. 100c Draw limit. 1/7 per hour Never use copper or red brass fitting or tubing |
