[Daily question] [Static Equipment Exchange Edition...Question 145] Multiple choice question on May 25, 2019... Everything goes well

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[Daily question] [Static Equipment Exchange Edition...Question 145] Multiple choice question on May 25, 2019... It will be posted in advance, please understand................................................................................................................. Answers (single choice, single choice) please fill in the order. Examine the knowledge points of GB/T 151-2014 heat exchangers. Bonus rules: Participation will reward you with 3 wealth, and correct answers will reward you with 5 wealth. .................................................................................1. For GB/T 151-2014 heat exchangers, for vessels or pressure components whose structural dimensions cannot be determined according to GB150.3, the following methods can be used for design: ( ). A. Confirmatory experimental analysis, such as experimental stress analysis and confirmatory hydraulic test ； B. Use comparable structures that have been put into use for comparative experience design ； C. Adopt stress analysis calculation and evaluation including finite element method ； D. All of the above ； ---------------------2. Heat exchangers or pressure components with a design pressure lower than 0.1MPa and a vacuum degree lower than 0.02MPa can be designed in accordance with the relevant provisions of NB/T47003.1 (JB/T4735.1) and this standard. () A. Correct ； B. Error ； ---------------------Answer: (Inspection of GB/T 151-2014 heat exchanger knowledge points) 1. D 2. A