【Daily Question】【AC Version for Static Equipment... Question 156】 June 5, 2019 Multiple-choice question... Additional content

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bg4.png【Daily Question】【AC Version for Static Equipment...Question 156】 June 5, 2019 Multiple-choice questions... Supplementary information ............................................. Please fill in the answers (single choice, single choice) in order. Examine the knowledge points related to heat exchangers in GB/T 151-2014. Reward rules: 3 wealth for participation, 10 wealth for correct answers. ........................................................................... The flat cover and flanges of the pipe box can adopt a (loose) lining (lining plate, lining ring) composite structure. Liner composite structures shall not be used in the following situations: a) when the design temperature is higher than (1)℃ ； b) During operation, a vacuum condition exists ； c) Medium (2). --------------------- A, 200 ； B, 300 ； C. The toxicity is extremely or highly hazardous ； D. Flammable and explosive ； --------------------- Answer: (Tests knowledge of heat exchangers per GB/T 151-2014) 1. B 2. C