Difference between revisions of "AY Honors/Welding/Requirements"
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<b>1. <translate><section begin=req1 />Identify all parts of the following: | <b>1. <translate><section begin=req1 />Identify all parts of the following: | ||
Revision as of 22:24, 30 November 2020
Welding
Authority:
Category:
Skill Level:
Year Introduced:
_AY_Honor.png){kind=small}
Requirements
Instructor Required
1. Identify all parts of the following:
- a. Welding and cutting torches
- b. Oxygen and acetylene gauges and their differences
- c. Oxygen and acetylene hoses and their differences
- d. Oxygen and acetylene tanks and their differences
2. Explain the safe working pressures of oxygen and acetylene, as per your instructor's directions, for various procedures.
3. While blindfolded, demonstrate ability to hook up an entire oxyacetylene kit, including tanks, gauges, hoses, and torches, and light the same.**
4. As per your instructor's directions, weld two mild steel test plates (1/8 inch x 1 inch x 8 inches) (0.3 cm x 2.5 cm x 20.3 cm) in horizontal, and vertical positions.
5. Use a cutting torch and demonstrate your skill by making one 12 inches (30.5 cm) straight-line cut, one circle cut of at least 3 inches (7.6 cm) in diameter and one 3 inch (7.6 cm) star cut. The cuts are to be made on mild steel plate at least 1/4 inch (0.6 cm) thick.
6. Demonstrate your ability to braze a cast-iron object with at least 1/4 inch (0.6 cm) double bevel butt weld 2 inches (5 cm) long.
7. Explain the safety precautions and safety equipment normally used in electric welding in relation to eyes, hands, and exposed skin areas. Why should the tank valves never be oiled?
8. Explain the difference between oxyacetylene and electric arc welding.
9. Demonstrate ability to select from an electrode guide the proper amperage and electrode for various types and thicknesses of metal.
10. Demonstrate ability to weld flat, vertical, horizontal, and overhead on (1/8 inch x 1 inch x 8 inches) (0.3 cm x 2.5 cm x 20.3 cm) mild steel test plates.
