【Daily Question】 【AC Version for Static Equipment...Question 91】 April 1, 2019 – Revised multiple-choice questions...Everything is going well

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bg4.png【Daily Question】【AC Version for Static Equipment...Question 91】April 1, 2019. Modified multiple-choice question...Everything is going well...........................................................................The question is taken from the standard NB/T 47041-2014 \"Tower Containers\". Please point out any inaccuracies in the modifications; if you have any good suggestions, feel free to leave a reply – rewards will be given generously. ........................................................................... Answers (multiple choice, multiple choice, multiple choice) please fill in in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. ...........................................................................1. The following loads should be considered during design: Those that are not necessary are (). A. Internal pressure, external pressure, or maximum pressure difference ； B. The self-weight of the tower-type container (including internal components and packing, etc.), as well as the gravitational load of the medium contained within it under normal operating conditions or during pressure testing ； C. Gravitational loads on auxiliary equipment, insulation materials, linings, pipes, escalators, platforms, etc ； D. Forces acting on the connecting pipes and other components ； E. Wind loads (including wind loads in the direction of wind and lateral wind loads) and seismic loads ； ---------------------2. When necessary, the following loads should also be considered: Which one is excluded (?). Note: As needed! A. The forces acting on the connecting pipes and other components ； B. Forces caused by different temperature gradients or amounts of thermal expansion ； C. Impact load, including impact loads caused by sudden pressure fluctuations and reaction forces resulting from fluid impacts, etc ； D. Forces during transportation or lifting. E. Hydrostatic pressure of the liquid column: when this pressure is less than 5% of the design pressure, it can be ignored ； ---------------------3. The negative deviation in the thickness of plates or pipes shall be in accordance with the provisions of the metal material standards ； The internals and accessories of tower-type containers shall comply with relevant standards. （）A、Correct ； B. Incorrect ； ---------------------Answer: (Testing the general provisions for the design of tower-type containers) 1. D 2. E 3. A