Red Seal Metal Fabricator Practice Questions - Red Seal Metal Fabricator (Fitter) Exam

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When oxy-fuel cutting in a fabrication shop, why must oxygen cylinders never be stored with their valves greased or oiled?

Grease lowers the cylinder pressure Oxygen can react violently with hydrocarbons and ignite Grease corrodes the brass valve It voids the cylinder colour code

Correct Answer:

Oxygen can react violently with hydrocarbons and ignite

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