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bg4.png【Daily Question】 【AC Version for Static Equipment...Question 51】 February 20, 2019 Multiple-choice question...Everything is going well...........................................................................Wishes to all my friends: happiness every year, a harmonious family life, good fortune, smooth affairs and good health, and success throughout life! ........................................................................... 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. This topic is valid for two days; no score will be given if it exceeds two days by 48 hours. ........................................................................... Final voting stage for the 2018 “Top 10 Outstanding Members of Haichuan” – only participants via Haichuan’s official WeChat account are eligible! For more details, please see the link below: https://bbs.hcbbs.com/thread-2281360-1-1.html. A big thank you to all my supporters from the region—voters on the 28th (@泡沫_ZPTK), 29th (@kareale88), 30th (@亚梅), and 31st (@梦幻100). After voting, you can participate in a lottery for prizes such as laptops, Haichuan Cup awards, phone credit, and 100 Wealth points... You can vote and enter the lottery up to 10 times per day. Please join now! ........................................................................... 1. A device is subjected to an external pressure of 0.1 MPa; its design temperature is 425°C. Based on calculations, the axial compressive force is 85 MPa. The material’s yield strength is 83 MPa. ; The B value from the table is 88 MPa ; The calculated external axial compressive force of this device should be (). A. Pass ; B. Fail ; C、Unable to determine ; ---------------------2. When conducting hydraulic testing on pressure vessels made of austenitic stainless steel using water, the chloride ion content in the water must be strictly controlled to not exceed ( ) mg/L. Once the test is passed, the water stains should be removed immediately. A. 10 B. 15 C. 20 D. 25 ---------------------3. Pressure vessels with a working pressure of less than 0.1 MPa but a design pressure higher than 0.1 MPa are also subject to the regulations on pressure vessels. ()A、Correct B、Wrong---------------------Answers: 1. B 2. D 3. B 1. Comment: Basic concepts of design calculation. 2. Comments: Refer to 11.4.9.1 in GB150.4. 3. Comments: The basic parameter for determining whether an equipment belongs to a pressure vessel according to the Pressure Vessel Regulations is the operating pressure. See TSG21-2016, Clause 1.3 General Provisions.
B---------------D--------------B