1. What best describes the shape of a vertical curve? a. Circular b. Ellipsoid c

Question

1. What best describes the shape of a vertical curve? a. Circular b. Ellipsoid c. Parabolic d. Tangential 2. The station of the PVI is a. Variable between the stations of the PVC and the PVT b. A quarter of the way c. Cannot be determined d. halfway 3. All types of vertical curves will either have a high point or a low point a. True b. False 4. If the station of a PVI is at 12+00 and the curve is 800 ft in length, what is the station of t a. 20+00 b. 4+00 c. 16+00 d. 8+00 For the sk a. etch shown below, approximately where will the low point on this curve occur. Between A & B 5. b. At C c. Between D and E d. At F +4% 6. In the equation r the value of L in in what units? a. stations b. meters c. feet d. any

Explanation / Answer

1) Option C is correct. Shape of vertical curve is parabolic.

2) Option B is correct. PVI is quarter of the way between PVC and PVT.

3) True. All types of vertical curves will have high or low points.

4) Option D is correct. As we know PVC=PVI-L/2=12-4=8+00

5)Option A is correct. It occur between A&B

6)Option D is correct. Any unit can be applied.

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