____ cast iron is the hardest and most brittle of the cast irons because almost all of the carbon atoms are combined with the iron atoms.
A) White
B) Gray
C) Alloy
D) Malleable
Correct Answer:
Verified
Q1: Preheating a part before starting the weld
Q2: The lower the carbon content of the
Q3: _ cast iron is the most widely
Q5: For steels containing more than _ carbon,
Q6: Welding stresses occur because as metal is
Q7: The major purpose of preheating and postheating
Q8: _ stainless steels are used for ornamental
Q9: The _ group of stainless steels is
Q10: Preheating is required any time that the
Q11: Since _ stainless steels are not hardenable
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