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← HistoryWhich outcome resulted from early failures to properly 'season' newly cast cannon barrels during the Ming Dynasty?
A)Catastrophic explosions during proofing tests✓
B)Accelerated bore wear from powder fouling
C)Frequent misfires near the gun platform
D)Reduced cast iron density under firing
💡 Explanation
Cast iron cannons required a seasoning process involving controlled firing to stabilize the metal—without tempering, internal stresses caused brittle fracture during high-pressure firing, leading to catastrophic explosions because of stress relief exceeding material strength; therefore explosions happen and rather than bore wear happening more likely.
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