High way

Highway [Year]
1. Calculate the stopping sight distance for following 3 cases on a highway for as design
speed for as design speed of 80 kmph, reaction time is 2 secs and friction coefficient is
0.4 [10 marks]
a) When grade is 4% descending
b) When grade is 3% ascending
c) When road is flat

Highway [Year]
2. Explain the used of bio engineering in hill roads and its advantages compared to other
method [10 marks]

Highway [Year]
3. What are the design and construction problem of hill roads? What do you understand by
obligatory points? What are the special considerations which need to be followed in the
selection of alignments for roads in mountainous region? [10 marks] 2064 General

Highway [Year]
4. Described briefly the methodology used in the construction of gravel roads. Differentiate
between surfaced dressing treatment and otter seal construction? [10 marks]

Highway [Year]
5. The time for a clay layer to achieve 99% consolidation is 10 years. What time would be
required to achieve 99% consolidation if the layer were twice a thick, five times more
permeable and three times more compressible? [10 marks]

Highway [Year]
6. What factors influencing transport planning? Give their brief description and relative
important? [10 marks]2069/10/03

Highway [Year]
7. What are the factors to be considered for designing road pavements? Describe briefly the
type of design failure for each factor if it is not taken into account adequately and / or
correctly? [10 marks]

Highway [Year]
8. Describe the importance of drainage works in road and show how a side drain is
designed? [10 marks]

Highway [Year]
9. What do you mean by transport plus concept? Which agency in Nepal is adopting? Why
this concept is important in Nepalese mountainous & hilly roads? Write down pros &
cons of this concept? [10 marks] 2070/11/9

Highway [Year]
10. Draw a typical cross section of road with all elements. Describe briefly about each
element of cross section of road. [10 marks]

Highway [Year]
11. Describe with sketches the elements of highway cross section. Why are transition curve
provided in the horizontal alignment of highway explain with a sketch.[5+5 marks]064
highway

Highway [Year]
12. What are the criteria that should fulfilled while designing sub-surface drains? [4 marks]

Highway [Year]
13. What are the various tests that are used for assessing the suitability of road aggregates?
[3 marks]

Highway [Year]
14. What are the criteria that indicate certain road base material is of proper retardation.
[3 marks]

Highway [Year]
15. What is rotary intersection? What are the advantage and the limitation of traffic rotary
intersection?

Highway [Year]
16. What are the main causes of traffic accidents in Kathmandu? What measures be taken to
mitigate them?

Highway [Year]
17. What are the functions of highway drainage? List the data necessary to glean before
deciding on the drainage system for a road.

Highway [Year]
18. A bituminous mix has been prepared with 10% asphalt by weight of mixture. Assuming
the specific gravity of asphalt to be 1 and that of void less specific gravity of aggregate.

Highway [Year]
19. What are the categories of maintenance as defined by DOR? What is the scope of
periodic maintenance for paved road?

Highway [Year]
20. What specific considerations ought to be followed in the selection of alignment for roads
in the mountains regions? 6

Highway [Year]
21. Mention briefly the technology available to determine the best rout location of high ways.
4 marks

Highway [Year]
22. Explain maximum and minimum super elevations. Describes the methods of introducing
super elevation. 5 marks

Highway [Year]
23. A descending gradient of 1 in 30 meets an ascending gradient of 1in 40to from a valley
curve. Find out the length of valley curve, if the stooping sight distance is 120m. 5 marks

Highway [Year]
24. Briefly describe the use of bio engineering elements in the design of hill roads. 4 marks

Highway [Year]
25. What are the causes of erosion in highway? How can it be controlled? 3 marks

Highway [Year]
26. Explain the various test carried on bitumen to ascertain its suitability for a given type of
road. 3 marks

Highway [Year]
27. Explain importance of safety audit of road and elements of it. 5marks

Highway [Year]
28. Explain the type of intersection and where are there best uses. 5marks

Highway [Year]
29. What are the functions of different layers inflexible pavement? How the sub grade soil is
evaluated? 5 marks

Highway [Year]
30. Write down the construction procedure for pre-mixed bituminous carpet? 5marks

Highway [Year]
31. Discuss the procedure to be for the construction of single and double bituminous dressing
road. 10 marks

Highway [Year]
32. Explains the necessity of highway planning in Nepal. What are the uses of fact finding
surveys? How are these used and interpreted? 10 marks

Highway [Year]
33. The radius of a horizontal circular curve is 100 meters, the design speed is 50 kmph, and
the design coefficient of lateral friction is 0.15. Calculate the super elevation if full lateral
friction is called into play. 10marks

Highway [Year]
34. Define bio-engineering. Discuss its functions and limitation. 5 marks

Highway [Year]
35. Write short notes on: a) filter material used in sub-surface drain. b) los angles abrasion
test (2.5+2.5 marks)

Highway [Year]
36. Draw highway intersections in detail and show the traffic directions.
a) Four legged intersection
b) Multi legged intersection
c) Channelized intersection
d) Three legged intersection

Highway [Year]
37. Why pavement fails? Give reasons. Discuss various types of failures in flexible
pavement. (3+7) marks

Highway [Year]
38. Define road constructions technology. Describe the various activities to be performed for
the road construction. (2+8) marks

Highway [Year]
2071/11/9
39. Explain the advantage of road transport. Explain the factors that affect the selection of
highway project. 10marks

Highway [Year]
40. The radius of horizontal highway curve is 450m, super-elevation provided is 1in 15 and
the width of pavement curve is 7.5m. If the rate of change of centrifugal acceleration is
not to exceed 0.45 m/sec2 and the rate of introduction of super elevation (about the inner
edge of pavement) is not to exceed 1:50, design the length of horizontal curve for a
design speed of 100 km.ph. 10marks

Highway [Year]
41. Explain in detail special points that must be considered in the alignment of hill road of
Nepal. 10marks

Highway [Year]
42. What are the general requirements of traffic control devices? What are traffic islands?
Briefly describe various types of traffic islands. (2+2+6) marks

Highway [Year]
43. What is EAL or ESL? Describe its significance in design of rod pavements. 5marks

Highway [Year]
44. What are various method of design of rod pavements? 5 marks

Highway [Year]
45. Why road maintenance is necessary? Describe different type of road maintenance.
Explain the maintenance of bituminous pavement. (2+2+6) marks

Highway [Year]
46. What are the different types of landslide? Describe them briefly. how can slope stability
improved by plants? (2+3+5) marks

Highway [Year]
47. List and explain the various factors influencing the alignment of roads in Nepal. Describe
the classification of road. (6+4)marks

Highway [Year]
48. Describe in detail reasons for providing of curves with their types in highway
construction. 5 marks

Highway [Year]
49. Explain the significance of hill roads in the national development of Nepal. 5 marks

Highway [Year]
50. Describe in details about the main steps of the design of surface drain. 5 marks

Highway [Year]
51. Discuss the essential difference between flexible and rigid pavement with the
consideration of loads distribution over the sub grade. 4 marks

High way

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High way