VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesHistoryQuestion
Question
History

Which outcome occurs when early Chinese cast iron rapidly cools?

A)Internal stresses promote cracking
B)Ductility noticeably improves instead
C)Uniform grain-size distribution results
D)Carbon preferentially forms graphite

💡 Explanation

Internal stresses cause cracking because differential cooling yields uneven contraction, placing some areas in tension rather than uniform shrinkage. Therefore, brittle failure occurs, rather than enhanced ductility or controlled grain size which would reduce internal stresses.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse History