One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 449

2016-02-29View Original

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Multiple-choice question: In the production of polyvinyl chloride by the suspension method, the heat exchanger used in the stripper slurry of the negative-pressure stripper technology is ( ). A. Spiral plate type B. Tubular type C. Simple-wall type. Answer: A. Spiral plate type

Reply #22016-02-29

A Spiral plate type~~~~~~~~~~~

Reply #32016-02-29

I have seen spiral plate heat exchangers; I choose A.

Reply #42016-02-29

In the suspension process for PVC production, the heat exchanger used in the vacuum stripping tower is (A) A spiral plate type, B tubular type, C shell and tube type

Reply #52016-02-29

In the suspension process for PVC production, the heat exchanger used in the vacuum stripping tower is (B) A spiral plate type B tubular type C shell and tube type

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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 449

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