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← ScienceWhich 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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