One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 8th
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Single-choice question: In the distillation process of VCM produced by the calcium carbide method, if testing shows that there is vinyl chloride in the water tank at 5°C of freezing temperature but no acetylene, it indicates ( ). A. Leaks in the tubes of the high tower top condenser or the low tower top condenser. B. Leaks in the tubes of the total condenser or the finished product condenser. C. Leaks in the tubes of the total condenser or the low tower top condenser. D. Leaks in the tubes of the high tower top condenser or the finished product condenser. Answer: D
D. Leakage in the tubes of the condenser at the top of the high tower or in the final product condenser
D. Leakage in the tubes of the condenser at the top of the high tower or in the final product condenser
The detection in the frozen 5°C water tank during the VCM distillation process via the calcium carbide method showed the presence of vinyl chloride but no acetylene, which indicates (B). A. Leaks in the tubes of the high tower top condenser or the low tower top condenser. B. Leaks in the tubes of the total condenser or the finished product condenser. C. Leaks in the tubes of the total condenser or the low tower top condenser. D. Leaks in the tubes of the high tower top condenser or the finished product condenser
C. Tube leakage in the total condenser or low tower top condenser
The detection in the frozen 5°C water tank during the VCM distillation process via the calcium carbide method showed the presence of vinyl chloride but no acetylene, which indicates (B). A. Leaks in the tubes of the high tower top condenser or the low tower top condenser. B. Leaks in the tubes of the total condenser or the finished product condenser. C. Leaks in the tubes of the total condenser or the low tower top condenser. D. Leaks in the tubes of the high tower top condenser or the finished product condenser