Which outcome occurs when a hydraulic pump operates with excessive entrained air in its fluid?

A)Reduced volumetric efficiency and cavitation✓

B)Increased fluid viscosity and overheating

C)Decreased system pressure and stagnation

D)Enhanced lubrication and reduced friction

💡 Explanation

When excessive entrained air is present, compressibility increases, causing cavitation as air bubbles implode during pressure changes, reducing the pump's volumetric efficiency. Therefore reduced efficiency and cavitation occur, rather than increased viscosity, decreased pressure, or enhanced lubrication, which require different fluid properties and operating conditions.

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Which outcome occurs when a hydraulic pump operates with excessive entrained air in its fluid?

💡 Explanation

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