Basic Knowledge for the Production of Compound Fertilizers and Functional Fertilizers – One Question per Day 19

Thread Content

Multiple-choice questions: 1. The fires of which of the following substances can be extinguished using carbon dioxide extinguishers? ( ) A. Electrical equipment B. Precision instruments C. Valuable production equipment D. Books and archives. 2. Which of the following locations are classified as Class I fire zones? ( ) A. Liquefied gas stations B. Chemical hazard warehouses C. Process units in operation D. Machine rooms and pump rooms containing toxic substances. There is a daily question activity on basic knowledge of production in the area of compound fertilizers and functional fertilizers. We hope that all fellow sailors will participate actively. The purpose of this activity is to review the knowledge we have already learned, and to improve and strengthen everyone’s fundamental theoretical knowledge through answering questions, thereby reinforcing what we already know and helping us recall what we have forgotten. The top 50 answerers will definitely receive a reward. Please reply with the answer hidden; otherwise it will be invalid. To view the hidden method, go to: http://bbs.hcbbs.com/thread-492556-1-1.html Please do not edit after replying! 1. ABCD 2. ABCD