One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 26th
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Single-choice question: In the calcium carbide process VCM distillation system, the constant pressure at the tail gas side is achieved through automatic control of emissions using ( ). A Pressure Transmitter ； B Drain valve C Exhaust automatic control system D Pressure swing adsorption unit Answer: C Exhaust automatic control system
In the calcium carbide process VCM distillation system, the constant tail gas pressure is achieved through automatic control of emissions using (C). A Pressure Transmitter ； B Drain valve C Exhaust automatic control system D Pressure swing adsorption unit