### Civil Engineering - Highway Engineering MCQs Part 3

1. Intermediate catch water drains are provided only, if

A.
catchment area of the watershed above road is large
B.
intensity of rainfall is heavy
C.
single catch water drain is inadequate
D.
all the above.

Answer Option D

2. Pick up the correct statement from the following:

A.
Minimum desirable width of medians on rural highways is 5 metres
B.
Minimum width of medians should be 3 metres
C.
On long bridges and viaducts, the width of medians should be 1.5 m
D.
All the above.

Answer Option D

3. Floating gradients are generally provided

A.
along maximum gradients
B.
along minimum gradients
C.
at summit curves
D.
at valley curves
E.
every where.

Answer Option C

4. Raising of outer edge of a road with respect to inner edge, is known

A.
super elevation
B.
cant
C.
banking
D.
all the above.

Answer Option D

5. Width of the shoulders of carriage way is generally kept

A.
100 cm
B.
125 cm
C.
150 cm
D.
200 cm
E.
250 cm

Answer Option E

6. The correct formula for calculating superelevation for the hill roads, is

A.
B.
C.
D.

Answer Option B

7. The inventor of road making as a building science, was

A. Sully
B. Tresguet
C. Telford
D. Macadam.

Answer Option A

8. An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of length L to be introduced, is given by

A.
B.
C.
D.

Answer Option B

9. Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2, is

A. 70 kg/sq cm
B. 80 kg/sq cm
C. 90 kg/sq cm
D. 100 kg/sq cm

Answer Option C

10. Design of horizontal curves on highways, is based on

A. design speed of vehicles
B. permissible friction on the road surface
C. permissible centrifugal ratio
D. permissible maximum super-elevation
E. all the above.

Answer Option E

11. If no super elevation is provided on a road along curves, pot holes may develop at

A. inner edge of the road
B. outer edge of the road
C. centre of the road
D. no where on the road.

Answer Option B

12. Enoscope is used to determine

A. spot speed
B. average speed
C. travel time
D. none of these.

Answer Option A

13. The width of road pavements, depends upon

A. width of traffic lane
B. number of traffic
C. width of median strip
D. all the above.

Answer Option D

14. If L is the length of vehicles in metres, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour, the maximum number N of vehicles/hour, is

A.
B.
C.
D.
E.

Answer Option A

15. The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a hill road, should be

A. 3 m
B. 4 m
C. 5 m
D. 6 m
E. 4.5 m

Answer Option C

16. Speed regulations on roads is decided on the basis of

A. 60 percentile cumulative frequency
B. 75 percentile cumulative frequency
C. 80 percentile cumulative frequency
D. 85 percentile cumulative frequency.

Answer Option D

17. Reconnaissance is best done with the help of

A. aerial photographic survey
B. condastral surveys
C. topographical surveys
D. triangulation surveys
E. none of these.

Answer Option A

18. The usual width of side drains along Highways in hilly region, is

A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm
E. 100 cm

Answer Option B

19. Normal formation width of a hill road for one-way traffic, is

A. 3.6 m
B. 4.8 m
C. 6.6 m
D. 7.2 m
E. 8 m

Answer Option B

20. The most commonly adopted method to provide super-elevation on roads, is by pivoting the road surface about

A. outer edge so that the inner edge is lowered
B. crown so that outer edge is raised and inner edge is lowered
C. inner edge so that outer edge is raised
D. none of these.

Answer Option C

21. Minimum thickness of the base of a flexible pavement, is

A. 10 cm
B. 15 cm
C. 20 cm
D. 25 cm
E. 30 cm.

Answer Option A

22. One-way streets are generally provided in crowded cities as, these

A. are inexpensive means of traffic flow
B. reduce delays to vehicles
C. permit higher speed
D. reduce the number of accidents
E. all the above.

Answer Option E

23. The perpendicular offset from the tan-get to the central point of the circular curve, is

A. R sin Î¸/2
B. R cos Î¸/2
C. R (1 - cos Î¸/2)
D. R (1 - sin Î¸/2)
E. none of these.

Answer Option C

24. An Executive Engineer of roads, executes works under direct control of

A. Superintending Engineer
B. Secretary to the Govt
C. Chief Engineer
D. None of these.

Answer Option A

25. Newly constructed pavement with ordinary Portland cement attains its working strength after

A. 7 days
B. 14 days
C. 21 days
D. 28 days
E. 42 days

Answer Option D

26. Curves in the same direction separated by short tangents, are called

A. simple circular curves
B. compound curves
C. transition curves
D. broken-back curves.
E. None of these.

Answer Option D

27. When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as

A. valley curve
B. sag curve
C. summit curve
D. all the above.

Answer Option C

28. If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is

A. 32.44 km/hour
B. 42.44 kg/hour
C. 52.44 km/hour
D. 62.44 km/hour
E. 72.44 km/hour

Answer Option C

29. The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is

A.
B.
C.
D.

Answer Option C

30. The wall constructed for the stability of a back filling portion of a road on the down hill side, is known as

A. retaining wall
B. breast wall
C. parapet wall
D. all the above.

Answer Option A

31. If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is

A. 500 vehicles per hour
B. 700 vehicles per hour
C. 1000 vehicles per hour
D. 1250 vehicles per hour

Answer Option C

32. If the rate of change of grade permitted along a vertical curve is r and total change of grade is g%, the length L of the curve to be provided, is

A.
B.
C.
D.
E. none of these.

Answer Option B

33. In case of a multi-lane road, overtaking is generally permitted

A. from right
B. from left
C. from both sides right and left
D. not at all.

Answer Option C

34. The pavement width of a road depends upon

A. terrain
B. type of traffic
C. number of lanes
D. all the above.

Answer Option C

35. For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is

A. 1 sec
B. 1.5 sec
C. 2.0 sec
D. 2.5 sec
E. 3.0 sec

Answer Option D

36. The desirable camber for straight roads with thin bituminous surfacing, is

A. 1 in 33 to 1 in 25
B. 1 in 40 to 1 in 33
C. 1 in 150 to 1 in 140
D. 1 in 160 to 1 in 140
E. none of these.

Answer Option C

37. Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is

A. 80 m
B. 100 m
C. 120 m
D. 150 m
E. 200 m

Answer Option C

38. If the radii of a compound curve and a reverse curve are respectively the same, the length of common tangent

A. of compound curve will be more
B. of reverse curve will be more
C. of both curves will be equal
D. none of these.

Answer Option C

39. If cross slope of a country is greater than 60%, the terrain is classified as

A. rolling
B. mountainous
C. steep
D. plain.

Answer Option C

40. Side drains on both sides of a hill road, are essential when the road is

A. along the spur curves
B. along the re-entrant curves
C. in cutting
D. none of these.

Answer Option C

41. Parapet walls along hill roads, are provided

A. to retain the back filling
B. to prevent the hill from sliding
C. to prevent the wheels of the vehicle from coming on the retaining wall
D. none of these.

Answer Option C

42. From the point of tangency before an intersection, the route markers are fixed at a distance of

A. 15 m to 30 m
B. 20 m to 35 m
C. 40 m to 50 m
D. 50 m to 75 m
E. 100 m to 150

Answer Option E

43. A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as

A. ruling gradient
B. pushing gradient
C. floating gradient
D. minimum gradient

Answer Option C

44. The traffic carrying capacity of a single lane, depends on

A. type of the vehicles
B. level crossings
C. road intersections
D. surface texture
E. all the above.

Answer Option E

45. The number of vehicles moving in a specified direction on a roadway that pass a given point during specified unit of time, is called

A. traffic volume
B. traffic density
C. basic capacity
D. traffic capacity.

Answer Option A

46. Bottom-most component of a flexible pavement, is

A. subgrade
B. sub-base
C. base
D. base course.

Answer Option A

47. If V is the design speed in km/hour and R is the radius of the curve of a hill road, the super-elevation

A.
B.
C.
D.

Answer Option C

48. Pavement is said to be flexible if it contains

A. water bound macadam surface
B. stabilised soil base constructed of lime cement or tar
C. bitumen-bound stone layer of varying aggregates
D. lean concrete base
E. all the above.

Answer Option E

49. In ideal pavement is constructed with

A. bricks
B. hard soil
C. Portland cement concrete
D. tar
E. none of these.

Answer Option C