[Knowledge of Ammonia Synthesis] Daily Question (73) 2010.03.14
Thread Content
When replying to a post, please hide the answers; no scoring will be given in principle if they are not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 True or False question: 1. After the feed gas system is shut down, the feed gas compressor must also be stopped. （ ） 2. The argon introduced into the two-stage furnace can be completely removed from the cold box. ( ) 3. If the pH of the boiler water is extremely low, an appropriate amount of NaOH can be added to adjust it. （ ） 4. Zinc oxide desulfurization tanks are generally operated in series. （ ） 5. The higher the temperature of the high-pressure steam, the better. ( ) Reference answers will be visible after responding: 1. Wrong 2. Wrong 3. Right 4. Right 5. Wrong
Answer: 1、√ 2、× 3、× 4、√ 5、×
1. Wrong, 2. Wrong, 3. Right, 4. Right, 5. Wrong.
The answer should be: V X V V X.
1. Wrong, 2. Wrong, 3. Right, 4. Right, 5. Wrong.
1. After the feed gas system is shut down, the feed gas compressor must also be stopped. ( √ ) 2. The argon added to the secondary furnace in air can be completely removed from the cold box. (×) 3. If the pH of the boiler water is extremely low, an appropriate amount of NaOH can be added to adjust it. (√) 4. Zinc oxide desulfurization tanks are generally operated in series. (√) 5. The higher the temperature of the high-pressure steam, the better. ( × )