If the gradient of a ground is -3%, that of another ground intersecting with the former is 5%, and the horizontal length of the vertical curve to be drawn is 600 m, then the vertical offset '' from the vertex of the vertical curve to the mid-point of the curve will be

If the gradient of a ground is -3%, that of another ground intersectin

1.	If the gradient of a ground is -3%, that of another ground intersecting with the former is 5%, and the horizontal length of the vertical curve to be drawn is 600 m, then the vertical offset '' from the vertex of the vertical curve to the mid-point of the curve will be
A.	1.5 m
B.	6 m
C.	15 m
D.	75 m
Answer» C. 15 m

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If the gradient of a ground is -3%, that of another ground intersecting with the former is 5%, and the horizontal length of the vertical curve to be drawn is 600 m, then the vertical offset '' from the vertex of the vertical curve to the mid-point of the curve will be

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