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English Translations » 历史存档[信息] » 【Daily Question】Question from the 20151021 issue

【Daily Question】Question from the 20151021 issue

2015-10-21View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. In long-distance pipelines with closed transportation systems, it is necessary to keep the pressure at the inlet and outlet at specified levels throughout operation. The common measures taken for adjustment are ( ). A. Changing the number of pump stations in operation B. Changing the number of pump units in operation C. Backflow regulation D. Throttling regulation using the outlet valve 【Production and Management Division】We are seeking moderators and technical discussants to join us
Reply #22015-10-21
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Reply #32015-10-21
In long-distance pipelines with closed transportation, it is necessary to keep the pressure at the inlet and outlet within specified limits during operation. The common adjustment method used is (C). A. Changing the number of pump stations in operation B. Changing the number of pump units in operation C. Backflow regulation D. Throttling regulation using the outlet valve
Reply #42015-10-21
In long-distance pipelines with closed transportation, it is necessary to keep the pressure at the inlet and outlet within specified limits during operation. The common adjustment method used is (C). A. Changing the number of pump stations in operation B. Changing the number of pump units in operation C. Backflow regulation D. Throttling regulation using the outlet valve
Reply #52015-10-21
In long-distance pipelines with closed transportation, it is necessary to keep the pressure at the inlet and outlet within specified limits during operation. The common adjustment method used is (C, backflow regulation). A. Changing the number of pump stations in operation B. Changing the number of pump units in operation C. Backflow regulation D. Throttling regulation using the outlet valve
Reply #62015-10-21
In long-distance pipelines with closed transportation, it is necessary to keep the pressure at the inlet and outlet within specified limits during operation; the common adjustment measure taken is (C)
Reply #72015-10-21
B. Change the number of pump units in operation

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Translated at 2026-07-21 01:28:20

Original: https://bbs.hcbbs.com/thread-1481407-1-1.html

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