Welding Level 1 Module 2 Review Exam 2025 Questions & Answers with 100% Correct Answers | Verified
For gas welding, either the face shield or the lenses of the safety glasses must be an approved shade__filter - b. 3 to 6 Most worksite fires caused by welding or cutting are started by - d. Cutting Torches When mixed with air or oxygen, __will explode at much lower concentrations than any other fuel - c. Acetylene When pure oxygen is combined with fuel gases, the pure oxygen produces - d. A high temperature flame needed for flame cutting Oxygen has a strong garlic-like odor so leaks can be readily detected - b. False The smallest standard oxygen cylinder holds about__cubic feet of oxygen - d. 85 cubic feet Acetylene gas must be withdrawn from a cylinder at an hourly rate that does NOT exceed__of the cylinder capacity - d. 1/7th Of the fuel gases listed,__burns with the hottest flame - d. MAPP The amount of liquefied gas remaining in a cylinder is determined by the__of the cylinder - c. Weight The regulators used on fuel gas cylinders usually have red markings and usually have__on all connections - b. Left handed threads The attachment on the top of a fuel gas cylinder that allows the gas to flow only in one direction is called a - d. Check Valve
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welding level 1 module 2 review exam 2025 question