One Question per Day on Synthetic Ammonia (Series 36)

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This post was last edited by penghh1985 on 2016-3-9 09:17. I. Multiple-choice questions (each question has 4 options, of which only 1 is correct; fill in the correct option in the brackets). Continuing from Series 35, 176: When carrying out transformations, increasing the amount of ( ) can improve the CO conversion rate. A. CO2 B. H2O(g) C. H2S D. CH4 177. Given a fixed gas composition and catalyst, the temperature at which the maximum ( ) is attained is referred to as the optimal temperature under those conditions. A. Flow rate B. Pressure C. Reaction time D. Reaction speed 178. ( ) The active adsorption on the catalyst surface is the controlling step in the ammonia synthesis process. A、H2 B、N2 C、NH3 D、CH4 179、During conversion, an effective way to adjust the temperature of the catalyst bed is by changing the amount of ( ). A、CO B、CO2 C、CH4 D、H2O(g) 180. The function of a hot water tower is to recover the （） and sensible heat from the shift gas, thereby increasing the temperature of the hot water. . A、H2S B、H2O(g) C、CO D、CO2 Answer: B D B D B. The scoring starts at 3 points, with 1 point added for each correct answer.