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【Daily Question】2016 1.21 Multiple-choice question: When the reaction system of a hydrogenation unit is airtight, it is necessary to prevent accidents where high pressure leaks into the low pressure area. Equipment and pipelines that are connected to the high-pressure system but cannot be isolated using blind flanges should ( ). Answer: C. A. Cancel the pressure testing; B. Avoid pressuring the main body; C. Open the vent valve; D. Unable to determine
When the reaction system of the hydrogenation unit is airtight, it is necessary to prevent accidents where high pressure leaks into the low pressure area. Equipment and pipelines that are connected to the high-pressure system but cannot be isolated using blind flanges should be (C). A. Cancel the pressure testing B. Avoid pressuring the main body C. Open the vent valve D. Unable to determine
C. Open the vent valve~~~~~~~~~~~~~~~~~
When the reaction system of the hydrogenation unit is airtight, it is necessary to prevent accidents where high pressure leaks into the low pressure area. Equipment and pipelines that are connected to the high-pressure system but cannot be isolated using blind flanges should be (C). A. Cancel the pressure testing B. Avoid pressuring the main body C. Open the vent valve D. Unable to determine
When the reaction system of the hydrogenation unit is airtight, it is necessary to prevent accidents where high pressure leaks into the low pressure area. For equipment and pipelines that are connected to the high-pressure system but cannot be isolated using blind flanges, it is necessary to (C) open the vent valve.