[Storage and Transportation Version] One Question per Day 20180621
Thread Content
The sequence for opening and closing the inlet and outlet valves of the centrifugal pump is (). A. First open the inlet valve, then start the centrifugal pump. B. First open the inlet valve, start the pump, and after the pressure gauge reading stabilizes, then open the outlet valve. C. First close the outlet valve, then the inlet valve, and then stop the pump. D. First close the inlet valve, then stop the pump, and finally close the outlet valve. Answer: B
B. First open the inlet valve, start the pump, and wait until the pressure gauge reading stabilizes before opening the outlet valve.
B. First open the inlet valve, start the pump, and wait until the pressure gauge reading stabilizes before opening the outlet valve
B, Start the centrifugal pump with the valve closed~~
B. First open the inlet valve, start the pump, and wait until the pressure gauge reading stabilizes before opening the outlet valve.
B. First open the inlet valve, start the pump, and wait until the pressure gauge reading stabilizes before opening the outlet valve.