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Which risk increases when an industrial ammonia synthesis reactor exceeds its design temperature limit?

A)Catalyst sintering reduces active surface
B)Increased reactor pressure inhibits equilibrium
C)Feedstock impurities poison the catalyst
D)Increased kinetic energy reduces output

💡 Explanation

Exceeding temperature limits accelerates catalyst sintering which reduces effective surface area, because heightened thermal energy overcomes interparticle forces, therefore activity decreases, rather than pressure or poisoning, which are separate mechanisms.

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