【Daily Question】 【AC Version for Static Equipment...Question 49】 February 18, 2019 – True/False Question...Everything is going well

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bg14.jpg【Daily Question】 【AC Version for Static Equipment...Question 49】 February 18, 2019 Multiple-choice question...Everything is going well...........................................................................Wishes to all my friends: happiness every year, a harmonious family life, good fortune, smooth progress in all endeavors, and health 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 scoring will be given if it exceeds two days by 48 hours. ........................................................................... Final voting stage for the 2018 “Top 10 Outstanding Members of Haichuan” – only available via Haichuan’s official WeChat account! For more details, please visit the link below: https://bbs.hcbbs.com/thread-2281360-1-1.html. I am extremely grateful to all the users who support my region – vote for numbers 28, 29, 30, and 31. After voting, there will be drawings for prizes such as laptops, Haichuan cups, phone top-ups, and 100 wealth points... 10 votes = 10 drawing opportunities per day... Please participate soon! ...........................................................................1. For welded joints made from steel of different strength levels, the test results of the tensile samples in the product welding test plates should be no lower than (). NB/T47014-2011A: the higher of the lower limits for tensile strength specified in the standards for the two types of steel ； B. The smaller of the lower limits for the standard tensile strength of the two steel grades ； C. Average of the lower limits of the standard tensile strength for the two steel grades ； ---------------------2. Why is non-destructive testing required for the product welding test plates? () NB/T47016-2011A: A. Ensure that the quality of the weld joints in the test plates is comparable to that of the weld joints in the actual products. B. Check whether the welding process is satisfactory. C. Ensure that samples are taken from qualified areas of the weld joints, in order to avoid any defects that could affect the accuracy of the mechanical property tests. ---------------------3. According to GB150, the allowable stress for steel materials should be determined by taking into account the material’s tensile strength, yield strength, endurance strength, and creep limit. ( ) A. Correct B. Incorrect --------------------- Answers: 1. B 2. C 3. A 1. Comments: Refer to NB/T47014-2011: 6.4.1.5.4 Qualification criteria b). 2. Comments: Basic welding concepts related to pressure vessels and design, see NB/T47016-2011: 3.7. 3. Comments: It examines the factors to be considered when determining the allowable stress, as specified in Table 4.4 of GB150.1.