【Daily Question】【Static Equipment AC Version...Question 198】July 17, 2019 Multiple-choice questions...Fill-in-the-blank questions

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This post was last edited by kareale88 on 2019-7-18 at 22:14: bg14.jpg【Daily Question】【AC version for static equipment...Question 198】 July 17, 2019 – Multiple-choice questions...Fill-in-the-blank questions...........................................................................Reward rules: 3 wealth points for participation, 10 wealth points for correct answers. No score will be given after two days. ...........................................................................a. The width of the gasket that provides an effective seal is located on the ( ) side of the gasket. b. 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 larger diameter. c. The gasket coefficient m is the ratio of the compressive force that must be applied per unit sealing area of the gasket, to the fluid pressure, in order to ensure that the sealing surface has a sufficient resistance to fluid flow when the flange is in operation; the harder the gasket, the greater m becomes. ...........................................................................Answer: a. Outer diameter ； b. Small; c. Large. Comment: It examines which part of the gasket constitutes the effective sealing area under the force of the bolt. Comment: Assesses the understanding of flange design.