【Weekly 3 Questions, Question 6】2017.8.22

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bg9.png (Multiple-choice question) The verification of the control valve diameter should include ( ) as well as the check of the opening degree and the adjustable ratio. A. Determination of process parameters B. Determination and selection of Kv values C. Determination of the mode of operation D. Determination of the material for the control valve Note: If the question is ambiguous, please contact me privately; however, no detailed explanations or overly complex questions will be addressed. The answers are: A, B, C.—————————————————————————————————————————————————————————————— The question is valid for one week; no scoring will be given after that period, and the answers will be displayed automatically thereafter. The deadline is 207.08.29. Scoring criteria: Incorrect answers result in 2 wealth points as a participation reward. In multiple-choice questions, selecting incorrect options counts as an error and results in 2 points; incomplete *answers* yield 3–6 points. Correct answers with detailed explanations, along with supplementary *answers*, earn 10–15 wealth points. Please score according to these criteria. Note: If there are editing records after answering, only points will be awarded to those who participated. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings.