Which mechanical consequence results when a repeating crossbow's bronze casting cools unevenly?

💡 Explanation

Uneven cooling induces *differential thermal expansion* in the casting. Because frame misalignment results, therefore reliable bolt feeding becomes compromised, rather than only affecting trigger control or draw weight consistency which are secondary concerns.

• Which outcome occurred when meteoric iron was first forged in antiquity without controlled carbon content?
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• Which optical attribute was methodically studied using Alhazen's camera obscura, advancing understanding of vision?
• Which risk increases when bronze tools or weapons are used in highly saline environments during the Bronze Age?
• Which consequence accelerated after the Qin Dynasty's development of composite trigger mechanisms in volume-produced crossbows?
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