【Daily Question】 【AC Version for Static Equipment...Question 61】 March 2, 2019 – Revised multiple-choice questions...Everything is going well

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bg4.png【Daily Question】【AC Version for Static Equipment...Question 61】March 2, 2019. Modified multiple-choice questions... Everything is going well........................................................................... Answering rules: Single-choice answers should be entered in the blanks, one by one in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. Test results: Assess the degree of understanding and mastery of knowledge points and general concepts by everyone. ........................................................................... 1. For containers used to hold liquefied gases, the design pressure must not only meet the requirement specified in GB150 that it shall be no lower than the operating pressure, but also comply with the corresponding provisions in (1). II. When the diameter of the bolt’s central circle, Db, is determined by the radial structural requirements of the flange, to reduce Db, it is advisable to choose bolts with a diameter larger than that in (2). III. In the calculations for horizontal vessels, the allowable axial compressive stress of the cylinder is taken as the allowable stress of the material at the design temperature multiplied by the value of B times (3). A. Regulations ； B、Regulations on Solid Content ； C, large ； D, small ； E, larger ； F, Smaller --------------------- Answers: 1. B 2. D 3. F I. Comments: The Code for Fixed Containers specifies clear requirements regarding containers used to store liquefied gases. II. Comments: Assesses the understanding of flange design. III. These are the basic concepts of the allowable axial compressive stress.