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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The foot pressure is multiplied by the mechanical pedal ratio and the hydraulic ratio of the master cylinders, booster (if used) and caliper piston(s).
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.