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1. |
Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm is maintained during cracking mainly to |
A. | increase the yield of light distillates. |
B. | suppress coke formation. |
C. | enhance the octane number of gasoline. |
D. | reduce gum content in gasoline. |
Answer» C. enhance the octane number of gasoline. | |