1.89m.d 2.69m.d 0.89m.d 1.69m.d
Answer Discuss in Comment
silt gravel clay all of the above
horizontal force centripetal force centrifugal force weight of vehicle
effective drainage separation to vehicle prevention from collision all of the above
depth of soil square of depth of soil angle of internal friction of soil none of the above
speed of vehicle alertness of driver efficiency of brack all of the above
gravity flow free flow heating all of the above
sand & gravel coarse and bitumen stone dust none of the above
rugosity coefficient HMD gradient all of the above
6 to 8% 10 to 14% 8 to 10% 4 to 6%
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