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← TechnologyWhich outcome occurs when a PLC controlling timed chemical injections in a batch reactor experiences a transient voltage spike?
A)Inaccurate reagent dosing occurs✓
B)Agitator motor speed decreases
C)Temperature regulation stabilizes longer
D)Pressure relief valve opens prematurely
💡 Explanation
Inaccurate reagent dosing occurs because electromagnetic interference causes bit errors in the PLC’s memory, leading to incorrect timer values via register corruption rather than other mechanical failures. Therefore, wrong amounts are dosed rather than a motor slowdown under excessive load.
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