| 1.
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Explain the basic theory of arc welding and describe the health and
safety hazards associated with arc welding. (I)
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| 2.
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Describe the characteristics and uses of direct-current (DC) welding
machines, alternating current (AC) machines and AC- DC arc welding
machines. (II)
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| 3.
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List and describe the types and uses of electrodes. (III)
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| 4.
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Categorize welding electrodes according to the American Welding
Society's (AWS) classification system. (III)
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| 5.
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Specify the safety requirements for welding helmets and protective
clothing. (IV)
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| 6.
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Make button welds, run weld beads and build a pad of beads with
shielded metal-arc welding (SMAW) electrodes. (V)
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| 7.
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Weld in the horizontal, vertical and overhead positions with SMAW
electrodes. (VI)
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| 8.
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Describe the basic setups for the gas metal-arc and gas tungsten-arc
welding processes. (VII)
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| 9.
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Describe the brazing process and perform basic brazing. (VIII)
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| 10.
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Explain the safety precautions governing flame cutting and light and
extinguish the oxyacetylene torch safely. (IX)
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| 11.
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Using the oxyacetylene torch, make straight cuts on carbon steel
plate. (IX)
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