【Weekly 3 Questions, Question 17】2017.09.16

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bg9.png (The score is valid only for the author to prevent incorrect evaluations.) By replying, you can see the answer to the previous question. (Single-choice question) A differential pressure flow meter used in the field has a range of 40 kPa, with a corresponding maximum flow rate of 16 t/h. When the differential pressure is 10 kPa, what is the output current of the transmitter and the corresponding flow rate? A. 12 mA, 8 t/h B. 8 mA, 4 t/h C. 8 mA, 8 t/h D. 12 mA, 12 t/h The answer is: A. The question for this session is as follows: (Single-choice question) What is the purpose of introducing differential action? A. To eliminate residual error B. To reduce high-frequency interference C. To improve the control quality of high-order systems D. To enhance the stability of the system. —————————————————————————————————————————————————————————————— Scoring criteria: 2 points for an incorrect answer; 3–6 points for an *incomplete* correct answer; 8 points for a correct answer accompanied by a detailed explanation; 10–15 points if the correct answer is provided along with additional explanations. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be given points. 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