【Daily Question】【AC Version for Static Equipment...Question 9】November 22, 2018 – Multiple-choice questions on medium-related judgments

Thread Content

bk14.jpg【Daily Question】 【AC Version for Static Equipment...Question 9】 November 22, 2018 Multiple-choice questions related to medium identification......:time::time: 1. Which of the following is only a flammable medium? （）； Which of the following are toxic and flammable substances? ( ) ； Which of the following is an oxidizing medium? ( ) ； A. Hydrogen B. Oxygen C. Carbon monoxide D. Carbon dioxide 2. Oxidation reactions require heating, and heat is released during the reaction; furthermore, most of the substances that are oxidized are explosive. If the material ratios are not correct or temperature control is inadequate, ( ) will occur. A. Explosion accidents B. Deformation accidents C. Poisoning accidents 3. Explosive media refer to those whose gas or liquid vapors and mists, when mixed with air, form explosive substances, and whose lower explosion limit is ≤10%, or whose difference between the upper and lower explosion limits is ≥20%. A. Correct B. Incorrect Answer: 1. A C B 2. A 3. B Lower limit < 10% Please enter the answers in order. Reward rules: 3 wealth points for replying, 3 wealth points for each correct answer, up to a maximum of 10 wealth points. This topic is valid for two days; no score will be given if it exceeds two days by 48 hours. At the start of this question, fellow sea users can recommend answers; rewards will be given based on quality, with the best answers being marked as outstanding.