Which outcome occurs when thermal expansion stresses a hydraulic pump?

💡 Explanation

Decreased clearance increases internal leakage via the gap, therefore volumetric efficiency decreases, because the thermal expansion affects tight tolerance components inside the vane or gear pump using **tribological wear** mechanisms, rather than directly altering fluid characteristics.

• Which risk increases significantly when applying reverse bias beyond the rated peak-inverse-voltage (PIV) to a diode?
• Which consequence results when increased injection pressure induces cavitation in automotive fuel systems?
• Which risk significantly increases when an ICE crankshaft experiences torsional resonance during high-speed operation?
• Which mechanism reduces cavitation risk in a high-speed marine propeller experiencing fluctuating hydrostatic pressure?
• Which consequence results when porosity increases during welding of high-strength steel?
• Which risk increases when the condenser of a residential heat pump is significantly undersized for the specified refrigerant?