A major risk when casting large bronze bells in ancient China was bell cracking; which manufacturing constraint amplifies this risk?

💡 Explanation

Uneven mold wall thickness causes differential cooling rates, so differential thermal stress within the solidifying bell is amplified, which increases cracking risk due to uneven shrinkage, therefore leading to structural failure, rather than controlled cooling or degassing.

• Which distortion increases when an astrolabe's projection diverges significantly from the stereographic reference point?
• The medieval creation of complex astronomical instruments was made possible by which advance?
• Which outcome most directly results as water evaporates off of Aztec chinampas?
• When correcting observations for refraction using an astrolabe around 1000 AD, which consequence results from assuming a uniform atmosphere?
• Which consequence arises when anisotropic stress fractures Mughal pietra dura?
• Which instability occurs when excessive livestock traverse an Inca suspension bridge?