1. A wall constructed for the stability of the excavated portion of hill side in hilly roads is called
- breast wall
- retaining wall
- boundary wall
- parapet wall
2. The minimum design speed for hair pin-bends in hill roads is taken as
- 50 kmph
- 40 kmph
- 25 kmph
- 20 kmph
3. In hill roads, the alignment with minimum resisting length is preferred, if
- its length is minimum
- there is no hair pin bend on the route
- fulfills the desired geometrics
- none of these
4. Horizontal alignment in Mountainous country is conditioned by
- drainage structures
- depth of cut and fill
- cost of right of way
- maximum grade criteria
5. The maximum super elevation on hill roads should not exceed
- 7%
- 8%
- 9%
- 10%
6. The type of transition curves generally provided on hill roads, is
- circular
- cubic parabola
- lemniscates
- spiral
7. In hill roads, minimum sight distance required is
- stopping sight distance
- passing sight distance
- braking distance
- none of these
8. The ruling design speed for National Highways in mountainous terrain is
- 70 Km/hr
- 60 Km/hr
- 50 Km/hr
- 40 Km/hr
9. Widening of roads in hilly region, is done
- on the outer side
- on the inner side
- on the inner and outer side equally
- less on outer side and more on inner side
10. The walls which are necessary on the hill side of road way where earth has to be retained from slipping are known as
- breast wall
- retaining wall
- boundary wall
- parapet wall
11. A common problem in hill roads is
- Earthquake
- Skid
- Slip
- Landslide
12. The drain which is provided parallel to loading the intercept and divert the water from hill slopes is called
- catch water drain
- slope drain
- side drain
- cross-drain
13. Which one of the following items of hill road construction does not help in the prevention of landslides in the monsoon season?
- Catch water drains
- Retaining walls
- Hair-pin bends
- Breast walls
14. Ruling gradient for mountainous terrain is
- 4%
- 5%
- 6%
- 7%
15. The first stage of deciding the alignment of a hill road is
- detailed survey
- reconnaissance
- preliminary survey
- trace-out
16. The formula for calculating superelevation for the hill road is
- e = V2/114R
- e = V2/178R
- e = V2/225R
- e = V2/254R