gradient of equal traction

gradient of equal traction

[′grād·ē·ənt əv ¦ē·kwəl ′trak·shən]
(mining engineering)
The gradient at which the tractive force necessary to pull an empty tram inby (slightly uphill) is equal to that force required to pull a loaded tram outby.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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