1.

In hot box process, core box is heated up to what temperature?

A. 220°F – 300°F
B. 250°F – 320°F
C. 350°F – 500°F
D. 420°F – 550°F
Answer» D. 420¬¨¬®‚Äö√†√ªF ‚Äö√Ñ√∂‚àö√ë‚àö¬® 550¬¨¬®‚Äö√†√ªF


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