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Which risk increases when ethylene glycol exceeds its design temperature?

A)Antifreeze undergoes thermal oxidative degradation
B)Fluid viscosity increases to reduce flow
C)Metal corrosion decreases within the exchanger
D)Enthalpy decreases enhancing heat transfer

💡 Explanation

Ethylene glycol degradation accelerates with rising temperatures because thermal DECOMPOSITION reactions occur leading to acid formation; therefore, internal corrosion accelerates, rather than maintains integrity, because breakdown will reduce its effectiveness.

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