Thread Content
bk15.jpg Daily Question » [AC Version for Static Equipment... Question 28] December 13, 2018 – True/False Multiple Choice Questions...... Please enter the answers (multiple choice, single choice, single choice) in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. This topic is valid for two days; no scoring will be given if it exceeds two days by 48 hours. At the start of this topic, sea friends can recommend [Weekly Topics] and participate in the following two [Weekly Topics] links. The daily question will be replaced by weekly topics; suggestions for these weekly topics are welcome, and there will be Haichuan coins as rewards. https://bbs.hcbbs.com/thread-2192586-1-1.html 【Weekly Topic】【Static Equipment Discussion Forum...Question 1】 December 8-16, 2018...Discussion on welding deformation – HAICHUAN coins as rewards https://bbs.hcbbs.com/thread-2192846-1-1.html 1. The creep failure of pressure vessels is mainly caused by: () A. Local high temperatures occur on the vessel wall. B. Under the long-term effect of tensile stress. C. Under the long-term effect of shear stress. 2. If the maximum operating pressure of a pressure vessel is 1.6 MPa, then such a vessel belongs to ( ) A. Low-pressure vessel B. Medium-pressure vessel C. High-pressure vessel D. Ultra-high-pressure vessel. 3. Accidents can occur if a pressure vessel operates under excessive pressure or temperature, or due to operational errors. () A、Correct B、Wrong Answer 1、 A B 2、 B 3、 A
1. ABC (I don’t know. . ) 2. A (, although it is classified based on design pressure, it remains uncertain. Does a maximum allowable operating pressure of 10 MPa or more classify it as a Class III vessel? ) 3, A