Which outcome occurs when a hydraulic pump's fluid viscosity increases significantly due to low temperature?

A)Increased pump cavitation and noise

B)Reduced system pressure and flow rate✓

C)Overheating of the hydraulic fluid

D)Increased structural stress on cylinder rods

💡 Explanation

When fluid viscosity rises owing to low temperature, increased internal friction occurs because greater energy is requires to shear higher-viscosity oil, reducing pumping efficiency and pressure. Therefore flow rate decreases and system pressure drops, rather than cavitation, overheating, or increased load, each which depend on pressure or temperature increases.

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Which outcome occurs when a hydraulic pump's fluid viscosity increases significantly due to low temperature?

💡 Explanation

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