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Which risk increases when a hydraulic actuator approaches its stroke limit without proper cushioning?

A)Pressure spike causing valve damage
B)Increased fluid viscosity due to shear
C)Component corrosion from galvanic action
D)Seal degradation from thermal expansion

💡 Explanation

When an actuator reaches its stroke limit without cushioning, rapid deceleration causes a pressure spike due to the fluid inertia, leading to potential valve damage by exceeding their pressure ratings. Therefore, pressure spike causes valve damage, rather than viscosity, galvanic corrosion, or thermal degradation, which depend on fluid properties, material interactions, and ambient temperatures respectively.

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