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← TechnologyWhich outcome arises when a positive displacement pump meters highly compressible fluid in a hydraulic system?
A)System pressure fluctuations from erratic flow✓
B)Pump cavitation due to rapid volume changes
C)Valve erosion from increased fluid velocity
D)Overheating of the fluid caused viscous friction
💡 Explanation
When metering compressible fluid, volume reduction causes high pressure buildup, followed by rapid expansion. The oscillating flow from the pump creates pressure fluctuations in the hydraulic system's output. Therefore, system pressure fluctuations result, rather than cavitation, erosion, or friction, all requiring distinct factors.
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