【Weekly 3 Questions, Question 26】2017.10.07

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bg9.png: By answering the question for this issue, you can see the answer to the previous issue. The question for this issue is as follows: (Fill in the blank) When using open-type packing with control valves, the openings of adjacent pieces of packing should be ( ). For V-type packing, when used in vacuum valves, the openings should be ( ). Answer to the previous issue: (Fill in the blank) When the liquid level is at its highest, the float of a float level gauge is completely submerged in the liquid; the buoyant force acting on the float ( ), the torque generated by the torsion tube ( ), and the output signal is at its maximum value. The answer is: maximum, minimum ——————————————————————————————————————————————————————————— Scoring criteria: 2 Wealth for an incorrect attempt; 3–8 points for an *incomplete* answer; 10 Wealth for a correct answer accompanied by a detailed explanation; 12–15 Wealth for a correct answer with additional *insufficient* details. 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