Piping and Valve Knowledge: [Daily Question] 10-11-22
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This post was last edited by WQC on 2010-11-24 21:18. Multiple-choice question: (Single choice) Which of the following statements regarding the inspection requirements for alloy steel pipeline components is incorrect? A. Spectral analysis should be used to recheck the material of alloy steel pipeline components ； B. The material of the internal components of alloy steel valves should be sampled for inspection ； C. The number of samples to be inspected from each batch of alloy steel pipe fittings shall not be less than 1 ； D. 90% visual inspection is required for alloy steel pipe fittings. Note: 1) All participants will receive a reward ； 2) Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the replies after posting them. 3) Answer: D, selected according to GB50235
D. 90% visual inspection is required for alloy steel pipe fittings.
Reply 1# WQC d
As someone in the manufacturing field, I’m not very familiar with it, but I think the answer should be A
D. 90% visual inspection is required for alloy steel pipe fittings
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