[Knowledge of Ammonia Synthesis] Daily Question (49) 2010.02.07
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When replying to a post, please hide the answers; responses without hiding them will not be graded in principle. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 True or False question: 1. Once the water in a recirculating system turns white, a large amount of disinfectant must be added to control the growth of microorganisms. ( ) 2. Silicate scale can be removed by alternating acid washing and alkali washing. （ ） 3. Whenever a chlorine cylinder leaks, it must be pushed into an accident pit for disposal. ( ) 4. Turbidity refers to the degree of light scattering caused by suspended particles and colloids in water. （ ） 5. The main function of the boiler superheater is to increase the dryness of the steam. ( ) Reference answers will be visible after responding: 1. Wrong 2. Right 3. Wrong 4. Right 5. Wrong
1、Wrong 2、Right 3、Wrong 4、Right 5、Wrong 1# snowdfr
This post was last edited by ZZJJAA70 on 2010-2-6 at 21:06. 1. Once the water in the circulation system turns white, a large amount of disinfectant must be added to control the growth of microorganisms. (X) 2. Silicate scale can be removed by alternating acid washing and alkali washing. (V) 3. Whenever a chlorine cylinder leaks, it must be pushed into an accident pit for disposal. (X) 4. Turbidity refers to the degree of light scattering caused by suspended particles and colloids in water. (V) 5. The main function of the boiler superheater is to increase the dryness of the steam. ( X)
This post was last edited by ynjh on 2010-2-6 22:18. Right, wrong, right, wrong, right
1. Wrong, 2. Right, 3. Wrong, 4. Right, 5. Wrong
Right, wrong, wrong, right, wrong 1# snowdfr
1、Wrong 2、Right 3、Wrong 4、Right 5、Wrong