The point where the alignment changes from a straight line or tangent to a circular curve is
called as-
-
A.
Point of commencement
-
B.
Point of curvature
-
C.
Point of tangency
-
D.
Finishing mark
Correct Answer:
B. Point of curvature
Explanation:
In surveying and civil engineering, the point of curvature (also known as the beginning of curve) is the specific location where a straight path, or tangent, ends and a circular curve begins. This transition point marks the start of the change in direction for the alignment. The point of tangency refers to where the curve ends and returns to a straight line, while the point of commencement generally refers to the start of the entire project or survey line. Therefore, the correct term for the transition from a tangent to a curve is the point of curvature.
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