CEW Section Quiz 05

1. Referring to the sketch above, if the Angle of Intersection = 37° and the Radius = 281 ft, determine the length of the Subtangent.

2. What is the External Distance (E)?

3. The Radius of a basic circular curve is 450 ft. The Point of Curvature (PC) is at Station 0 + 500. Calculate the Length of Curve from PC to Point A (at station 0 + 593).

4. A vertical sag curve is used where the change in grade is positive, such as valleys, The 3 defining points are: I. PVC, II. PVI, III. POS, IV. PVT, V. PNR