【Daily Question】【Static Equipment AC Version...Question 190】July 9, 2019 Multiple-choice questions...Fill-in-the-blank questions

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bg15.jpg【Daily Question】【AC Version for Static Equipment...Question 190】 July 9, 2019 Multiple-choice questions...Fill-in-the-blank questions...........................................................................Reward rules: 3 wealth points for participation, 5–10 wealth points for correct answers. ...........................................................................The performance tests of bellows include stiffness tests, stability tests, ( ). GB16749 stipulates that for bellows made of austenitic stainless steel, when the combined stress σR ≤ 2σSt, it can be disregarded. ..........................................................................Answer: Fatigue test ； Fatigue issues. Comment: It tests the understanding of basic knowledge regarding bellows, and it also involves a mechanical concept related to structural stability