【Daily Question】 【AC Version for Static Equipment...Question 64】 March 5, 2019 – Revised multiple-choice questions...Everything is going well

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bg14.jpg【Daily Question】 【AC Version for Static Equipment...Question 64】 March 5, 2019 – Revised multiple-choice questions...Everything is going well...........................................................................The final voting stage for the 2018 “Top Ten Outstanding Members of Haichuan” has ended – hope you’ll be nominated for this year’s list! Wishes to my friends in Haichuan: 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. The proportion of non-destructive testing for the butt weld joints of pressure vessels is generally divided into 100% for all joints and a partial percentage of ( )%. For steel cryogenic vessels, the proportion of local non-destructive testing shall be greater than or equal to ( )%. The local detection length shall be no less than ( ) mm. A, 20, 50, 250 ； B, 20, 50, 300 ； C, 50, 80, 250 ； D, 50, 80, 300 ； ---------------------2. Flanges can be classified by their degree of integrity into: loose flanges, integral flanges, and arbitrary flanges. ( ) A. Correct B. Incorrect ---------------------3. The non-destructive testing methods for pressure vessels include radiography, ultrasonic testing, magnetic particle testing, penetrant testing, and eddy current testing, among others. ( ) A. Correct B. Incorrect --------------------- Answers: 1. A 2. A 3. A 1. Comment: 10.3 Radiation and ultrasonic testing in GB150.4. 2. Comments: Refer to 7.4.1 in GB150.3—2011; the design calculation method for flanges is related to their degree of integration. 3. Comments: See 3.2.10.1 of the General Regulations.