Which outcome occurs within a pneumatic directional control valve when contaminants accumulate within the spool gap?

💡 Explanation

When contaminants accumulate within the spool gap, valve stiction increases because friction between spool and body increases restricting modulation, thus increasing response time. Therefore increased valve response results, rather than reduced leakage as contamination tends to exacerbate that; stiction not generally causing self-heating, nor directly diminishing operating noise.

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