【Weekly 3 Questions, Question 42】November 14, 2017

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bg9.png The questions for this issue are as follows: (Fill-in-the-blank) According to the technical specifications for chemical process control design, when measuring stable pressure, the maximum operating pressure should not exceed （ ） of the measurement range; when measuring pulsating pressure, the maximum operating pressure should not exceed （ ） of the measurement range. The answers will be announced on November 16, 2017.———————————————————————————————————————————————————————Answers to the previous issue: 1. (Multiple-choice) Flanged transmitters have a longer response time compared to ordinary transmitters. To reduce their response time, one should take the following measures: A. Choose a capillary tube as short as possible. B. Choose a capillary tube that is slightly longer. C. Make the diameter of the capillary tube as small as possible. D. Make the diameter of the capillary tube slightly larger. 2. (Multiple-choice) Straight-through single-seat control valves are most suitable for ( ) situations. A. Situations where low leakage is required. B. Situations with low pressure differences. C. Situations with high pressure differences. D. Situations with extremely large pipe diameters. Answers to question 1: AC. Answers to question 2: AB. Hidden content in this post ——————————————————————————————————————————————————————— (Points for this activity are doubled.) Scoring criteria: 2 points for incorrect answers; 3–8 points for partially correct answers; 10 points for correct answers with detailed explanations; 12–15 points for correct answers along with supplementary explanations. 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