One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 498
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Fill-in-the-blank: The reason for leakage at the shaft seal of a centrifugal pump is either excessive back pressure or poor design of the impeller; however, the main causes are insufficient water in the shaft seal during operation or inadequate water pressure, as well as stopping the pump without proper procedures. Answer: Improper use of the shaft seal water ； Just shut off the shaft seal water.
Improper use of the shaft seal water; the shaft seal water is shut off arbitrarily.
The reason for leakage at the shaft seal of a centrifugal pump is either excessive back pressure or poor design of the impeller; however, it is mainly caused by improper use of the shaft seal water during operation, insufficient water pressure, or the accidental shutdown of the shaft seal water supply.
Improper use; shaft seal water. The reason for leakage in the shaft seal of a centrifugal pump is either excessive back pressure on the impeller or poor design, but it is mainly caused by improper use of the shaft seal water during operation, insufficient water pressure, or the accidental shutdown of the shaft seal system.
Improper use, shaft seal water~~~~~
The reason for leakage at the shaft seal of a centrifugal pump is either excessive back pressure on the impeller or poor design, but it is mainly caused by improper use of the shaft seal water during operation, insufficient water pressure, or arbitrary shutdown of the shaft seal system.
Improper use of shaft seal water； Discontinue the shaft seal water arbitrarily