【Daily Question】 【AC Version for Static Equipment...Question 29】 December 14, 2018 – True/False Multiple Choice...Enter to win a prize

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0240550093.jpg【Daily Question】【AC Version for Static Equipment...Question 29】December 14, 2018 – True/False multiple-choice question...... Please enter the answers (multiple choice, single choice, single choice) in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. This topic is valid for two days; no scoring will be given if it exceeds two days by 48 hours. At the start of this topic, sea friends can recommend [Weekly Topics] and participate in the following two [Weekly Topics] links. The daily question will be replaced by weekly topics; suggestions for these weekly topics are welcome, and there will be Haichuan coins as rewards. https://bbs.hcbbs.com/thread-2192586-1-1.html 【Weekly Topic】【Static Equipment Discussion Forum...Question 1】 December 8–16, 2018...Discussion on welding deformation – Hachuan Coin rewards https://bbs.hcbbs.com/thread-2192846-1-1.html 1. The main defects that often occur in pressure vessels during use are: (). A. Cracks B. Bulging C. Corrosion D. Material degradation 2. Brittle failure of pressure vessels usually occurs under ( ) conditions. A. Lower stress B. Higher stress C. Very high stress 3. During a chemical explosion in a pressure vessel, new substances are formed, or there are visible combustion products or traces of residues. A、Correct B、Incorrect Answer 1、 A B C D 2、 A 3、 A