Joining Questions Set 2:
What gas is used to provide protection in carbon arc welding?
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The selection of the diameter of electrodes in arc welding is based on
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Why is oxygen blown on the metal surface during laser beam welding?
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Which of the welding processes uses non-consumable electrodes?
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In submerged arc welding, what happens to the unused flux?
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In TIG welding of steel, which polarity produces the maximum penetration?
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After the welding temperature is reached, _____
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Which of the following statements about inertia welding is not true?
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The heat generated to form the weld in a resistance spot welding process performed on two plates of 1.5 mm thickness using a 6 mm diameter electrode and a current of 15,000 A with an interface resistance of 0.0001 Ω is:
Solution:
What does the first letter E or R in an electrode specification indicate?
Solution:
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