Multiple Choice
Which of the following is true of breaking and remelting tungsten?
A) It should be melted with a DCEN current.
B) It should be broken squarely.
C) It should be melted by striking an arc on a piece of carbon.
D) It should not be melted by striking an arc on copper, as it will contaminate the tungsten.
Correct Answer:
Verified
Correct Answer:
Verified
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