【Weekly 3 Questions, Question 32】2017.10.21

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This post was last edited by xh8618 on 2017-10-21 at 13:21. The file bg9.png is attached. The question for this issue is as follows: (Single-choice question) When conducting a fluid strength test on a control valve, the test pressure should be maintained for at least ( ) minutes without any leakage to be considered successful. A、10 B、5 C、3 D、1 The answer for this round will be announced on October 23, 2017.——————————————————————————————————————————————————————— Answer to the previous round: (Single-choice question) In PID control, the proportional action operates based on (), and it plays a role in stabilizing the controlled variable in the system. A. Size of the deviation B. Advance adjustment C. Presence of deviation D. Elimination of residual error. The answer is A.———————————————————————————————————————————————————————— Scoring criteria: 2 Wealth points for an incorrect answer; 3–8 points for an *incomplete* correct answer; 10 Wealth points for a correct answer accompanied by a detailed explanation; 12–15 Wealth points for a correct answer with additional *complementary* information. Please score according to these criteria. Note: If there are editing records after answering, only 1 point in wealth will be given to the participant. The time limit for answering is before the next question; 2 points are awarded if the answer is correct within two periods after the deadline, while no points are given if the answer is incorrect or if more than two periods pass. Each instance of continuous malicious spamming results in a deduction of 2 wealth points, with no upper limit; only numbers and emojis are allowed. Any random letters entered, unrelated to the answer, are considered malicious spamming. Points will start to be deducted after three warnings