【Daily Question】 【AC Version for Static Equipment...Question 71】 March 12, 2019 – Revised multiple-choice questions...Everything is going well

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This post was last edited by kareale88 on 2019-3-12 09:07: bg4.png【Daily Question】【Static Equipment Discussion Forum...Question 71】 March 12, 2019 – Revised multiple-choice questions...Everything is going well........................................................................... The final voting stage for the 2018 “Top 10 Outstanding Members of Haichuan” has concluded – hope you’ll be nominated for this year’s list! Wishing all my friends by the seas and rivers: happiness every year, a harmonious family life, good fortune and success, smooth affairs and good health, and prosperity 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. ........................................................................... 1. Among the metal materials used for containers, titanium and containers made of it should not be exposed to an open flame in air, to prevent the metal from catching fire easily. ( ) A、Correct ； B. Incorrect ； --------------------- 2. For pressure vessels made of aluminum and titanium at normal pressure, a pressure test is generally not required; instead, a water filling test is usually carried out. ( ) A. Correct ； B. Incorrect ； --------------------- 3. The design pressure of titanium welded pressure vessels shall not exceed 35 MPa, and the design pressure of aluminum welded pressure vessels shall not exceed 8 MPa. ( ) A. Correct B. Incorrect --------------------- Answers: 1. A 2. A 3. A 1. Comments: Refer to Chapter 1 of the standard definition in JB/T 4745—2000. JB/T4734-2002 \"Welded Aluminum Containers\" and JB/T4745-2002 \"Welded Titanium Containers\" came into effect on March 1, 2003. As designers of pressure vessels, it is important to stay informed about any changes in these standards. Since many organizations are not involved in the design of non-ferrous metals, we have focused only on the most basic aspects of these standards, which account for a small portion of the total score; this is intended to remind designers to keep track of developments in the industry. 2. Comments: Same as above. 3. Comments: Refer to JB/T4734-2002 \"Welded Aluminum Containers\" and JB/T4745-2002 \"Welded Titanium Containers\". Same as above.