[Ammonia Synthesis Knowledge] Daily Question (24) 2010.01.13

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When replying to a post, please hide the answers; no scoring will be given if they are not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 Multiple-choice questions (multiple selections allowed) 1. After long-term use, the ammonia synthesis catalyst ( ). A Severe loss of catalyst support B Increased porosity C Decreased average pore size D Reduced surface area 2. When using an oxygen respirator, one should pay attention to ( ). A. It is strictly prohibited for individuals to enter the toxic area. B. The emergency escape device can be worn by a single person to help exit the toxic area. C. Exit the toxic area immediately when the pressure is below 8 MPa. D. Exit the toxic area immediately when the pressure is below 3 MPa. 3. When treating acute ammonia inhalation poisoning, what should be done? A. Provide oxygen therapy; B. Administer respiratory stimulants; C. Perform compression ventilation; D. Perform mouth-to-mouth resuscitation. Answers: 1. D; 2. ABD; 3. ABD