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  2. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    The grade (US) or gradient (UK) (also called stepth, slope, incline, mainfall, pitch or rise) of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal. It is a special case of the slope, where zero indicates horizontality. A larger number indicates higher or steeper degree of "tilt".

  3. Stream gradient - Wikipedia

    en.wikipedia.org/wiki/Stream_gradient

    Stream gradient (or stream slope) is the grade (or slope) of a stream. It is measured by the ratio of drop in elevation and horizontal distance. [ 1] It is a dimensionless quantity, usually expressed in units of meters per kilometer (m/km) or feet per mile (ft/mi); it may also be expressed in percent (%). The world average river reach slope is ...

  4. List of steepest gradients on adhesion railways - Wikipedia

    en.wikipedia.org/wiki/List_of_steepest_gradients...

    Worked by adhesion between 1878 and 2001, currently out of service. 1 in 22. (4.5%) Balsam Mountain Grade. Balsam N.C. Balsam Mountain, home of highest railroad station east of the Rockies; average grade about 4.0%, max 4.5%. 1 of 2 grades on southern railways former Murphy branch that are +4% grade.

  5. Ruling gradient - Wikipedia

    en.wikipedia.org/wiki/Ruling_gradient

    Ruling gradient. The term ruling grade is usually used as a synonym for "steepest climb" between two points on a railroad. More simply, the steepest grade to be climbed dictates how powerful the motive power (or how light the train) must be in order for the run to be made without assistance. Even if 99% of the line could be run with a low ...

  6. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    The profile is the vertical aspect of the road, including crest and sag curves, and the straight grade lines connecting them. The cross section shows the position and number of vehicle and bicycle lanes and sidewalks, along with their cross slope or banking. Cross sections also show drainage features, pavement structure and other items outside ...

  7. Drainage gradient - Wikipedia

    en.wikipedia.org/wiki/Drainage_gradient

    The road's longitudinal slope contributes to a high drainage gradient. However, longitudinal highway slopes steeper than 0.5% are surprisingly rare outside hilly or mountainous areas. Effect of insufficient gradient. Due to the normal cross slope and the interaction with grade, road sections with insufficient drainage gradient are few and short.

  8. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    A pitch gauge measuring the slope of an asphalt shingle roof. Roof pitch is the steepness of a roof expressed as a ratio of inch (es) rise per horizontal foot (or their metric equivalent), or as the angle in degrees its surface deviates from the horizontal. A flat roof has a pitch of zero in either instance; all other roofs are pitched .

  9. Netflix's '3%' gets its own voice game on Alexa and Google ...

    www.engadget.com/2019-10-08-netflix-3-percent...

    Following the success of its Stranger Things and Dark Crystal games, Netflix is adding another title to its gaming catalog: The 3% Challenge, based on hit Brazilian series 3%. The free-to-play ...