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Which outcome arises when early steam engines exceeded design temperature limits within the boiler?

A)Piston seizure due to thermal expansion
B)Boiler rupture from reduced tensile strength
C)Valve timing errors from linkage distortion
D)Fuel inefficiency from incomplete combustion

💡 Explanation

When boiler temperature exceeds design limits, the boiler material's tensile strength decreases due to increased atomic vibration, leading to potential rupture. Therefore, boiler rupture results, rather than piston seizure, timing errors, or fuel inefficiency, which require different thermal/mechanical mechanisms.

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