One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 18th
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Multiple-choice question: In the calcium carbide process VCM conversion and synthesis system, the high pressure of the gas mixture is due to ( ). A. Insufficient pressure of the feed gas B. Low purity of the feed gas C. Low amount of acetylene D. Catalyst has lost its activity Answer: D. Catalyst has lost its activity
In the calcium carbide process VCM conversion synthesis system, the high pressure of the mixed gas is due to (A). A. Insufficient pressure of the feed gas B. Low purity of the feed gas C. Low amount of acetylene D. Catalyst has lost its activity