【Weekly 3 Questions, Question 35】2017.10.28

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bg9.png The topic for this issue is as follows: (Multiple-choice question) For a level measuring instrument equipped with a three-valve assembly, which of the following situations will cause the instrument’s indication to be low? A. Leakage in the balance valve B. Leakage at the joint of the negative pressure gauge tube C. Leakage in the gauge tube on the positive pressure side D. Overheating of the heating element for the negative pressure gauge tube. The answer will be announced on October 31, 2017. Answers to the previous question: (Single-choice question) Among the options below, ( ) is not a technical parameter for selecting solenoid valves. A. Operating temperature of the medium B. Flow capacity C. Density of the medium D. Operating voltage. The answer is C. ———————————————————————————————————————————————————————— Scoring criteria: 2 Wealth points for an incorrect answer; 3–8 points for an *incomplete* answer; 10 Wealth points for a correct answer, provided there is a detailed explanation; 12–15 Wealth points if the answer is correct along with additional 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