hydraulic ratio

hydraulic ratio

[hi′drȯ·lik ′rā·shō]
(geology)
The weight of a heavy mineral multiplied by 100 and divided by the weight of a hydraulically equivalent light mineral.
References in periodicals archive ?
Vermeer, Deb Whitten, rubber tire and underground warranty manager: "Productivity of today's trencher models is increased by moving weight-to-horsepower and hydraulic ratios, transferring more useable power to the trenching component, better hydraulic cooling, improved cutting set ups and increasing productivity of attachments with more efficient hydraulic systems.