[Daily question] [Static Equipment Exchange Edition...Question 52] March 23, 2020..True or False Question

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0240550093.jpg [Static Equipment Exchange Edition...Question 52] March 23, 2020...True or False Question......................................................................Reward Rules: Participate and get 5 wealth ； Answer correctly and get 10 wealth or more. .................................................................................1. Steel spherical storage tanks GB12337-2014, the usage regulations of austenitic steel pipes are as follows: a) Class I~IV steel pipes in GB/T12771 are allowed to be used, but the selected steel pipe category should be indicated on the design drawing. ； b) For the allowable stress of Class I steel pipes in GB/T12771, the allowable stress of the corresponding steel number seamless steel pipes in GB/T14976 can be used. Class III and IV steel pipes shall not be used for media with extremely or highly toxic levels. ； c) The lower service temperature limit of each steel pipe grade of GB13296, GB/T14976 and GB/T12771 shall be in accordance with the provisions of 4.1.10. A.CorrectB.Wrong................................................................A.(Correct)