Fundamentals of Manufacturing Processes (Multiple Choice) 20180430
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This post was last edited by HP0377 on 2018-4-30 at 10:37; in such cases, a water seal ring must be installed in the centrifugal pump’s stuffing box. A. The water pressure inside the stuffing box is lower than or slightly higher than atmospheric pressure. B. High-pressure pump. C. Transporting dirty liquids. D. It is generally installed. Hint: When the pressure inside the stuffing box is low, gas is likely to leak in, and the packing cannot be cooled by the leaking water, which leads to wear and overheating.
A. The water pressure inside the stuffing box is below or slightly above atmospheric pressure
A. The water pressure inside the stuffing box is below or slightly above atmospheric pressure
A. The water pressure inside the stuffing box is below or slightly above atmospheric pressure
A. The water pressure inside the stuffing box is below or slightly above atmospheric pressure