Refining Knowledge (Technology) Daily Question (57)11.20 Hydrogen Production

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This post was last edited by chengkang on 2009-11-22 18:47 Welcome everyone to actively participate in the study of professional basic knowledge in the Refining and Processing Technology Exchange Area* and discuss! According to the unified requirements of the forum, the maximum rating for this activity is 10 wealth, and ratings of charm are prohibited. At the same time, friendship and repeated ratings are declined. Please be careful when posting, editing is invalid! Those who have different opinions on the reference answers provided can post for discussion the next day. Appropriate rewards will be given to those who provide answers or personal opinions to the reference answers to the daily questions! The important thing is to participate, and you will get prizes if you participate! In order to prevent some members from plagiarizing other members' answers, please hide your posts when answering questions. For specific hiding methods, see: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 H9 Q8 x: O/ {9 e: F P.S.: Oil refining knowledge (technology) daily question urgently solicits questions from friends: http://bbs.hcbbs.com/thread-553526-1-1.html Answerers are expected to actively participate! 1. Multiple choice questions 1. Light oil hydrogen production devices generally use ( ) desulfurization. A: Dry method B: Wet C: Wet method and dry method 2. The transformation reaction is a ( ) reaction. A: Strong endothermic B: Micro endothermic C: Heat release 3. What is the role of steel in impact force and its ability to resist damage? ( ) A: BrittleB: Toughness C: Plasticity 4. The content of carbon monoxide at the outlet that changes during hydrogen production ( ) A: ≤1% B: ≤2%C: ≤3% 5. Carbon monoxide content at the low-variation outlet of hydrogen production ( ) A: ≤0.1%B: ≤0.2% C: ≤0.3% 2. True or False Question 1. The cobalt-molybdenum hydrogenation catalyst needs to be reduced before use to become active. 2. The cobalt-molybdenum hydrogenation reaction is an endothermic reaction. 3. Increasing the conversion temperature can reduce the residual methane at the conversion outlet. 4. Zinc oxide catalyst should be reduced before use to become active. 5. All conversion catalysts purchased should be reduced to become active. Answer: AABCC False False True False False