Civil Engineering - Highway Engineering MCQs Part 4

1. Round-abouts are not suitable if number of vehicles exceed

A.
3000

B.
4000

C.
5000

D.
6000

 Answer Option A

2. For a comfortable travel on Highways, the centrifugal ratio should not exceed

A.
0.10

B.
0.15

C.
0.20

D.
0.25

E.
0.30

 Answer Option D

3. If V is speed in km/hour and R is radius of the curve, the superelevation e is equal to

A.

B.

C.

D.

 Answer Option B

4. The traffic manoeuvre means

A.
diverging

B.
merging

C.
crossing

D.
all the above.

 Answer Option D

5. To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is

A.

B.

C.

D.

E.

 Answer Option B

6. The width formation of a road means the width of

A. carriageway

B. pavement and shoulders

C. embankment at ground level

D. embankment at the top level.

 Answer Option D

7. If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is

A. P (1 + r)n

B. P (1 - r)n

C. P (1 + r)-n+5

D. P (1 + r)5n

 Answer Option A

8. Hill roads are

A. provided camber along spur curves

B. provided camber along valley curves

C. seldom provided a camber

D. None of these.

 Answer Option C

9. For a poorly graded sub-grade soil, thickness of sub-base, is

A. 10 cm

B. 15 cm

C. 20 cm

D. 25 cm

E. 30 cm

 Answer Option E

10. For clear distinct vision, images of obstructions should fall on the retina with a cone of

A. 2°

B. 3°

C. 4°

D. 5°

E. 6°

 Answer Option D

11. The distance travelled by a moving vehicle during perception and brake reaction times, is known as

A. sight distance

B. stopping distance

C. lag distance

D. none of these.

 Answer Option C

12. Following type of pavement is generally known as flexible pavement

A. water-bound macadam roads

B. stabilised soil roads

C. road constructed with various layers of building material well compacted

D. all the above.

 Answer Option D

13. The minimum width of the pavement of a National Highway should be

A. 4.7 m

B. 5.7 m

C. 6.7 m

D. 7.7 m

E. 8.0 m

 Answer Option B

14. If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be

A. 60/R

B. 70/R

C. 75/R

D. 80/R

E. 100/R

 Answer Option C

15. In scanty rainfall regions, the camber provided will be

A. nil

B. flatter

C. steeper

D. None of these.

 Answer Option B

16. An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed

A. 45 m per km

B. 60 m per km

C. 75 m per km

D. 90 m per km

E. 100 m per km

 Answer Option B

17. The head of public works department of any Indian state, is

A. Transport Minister

B. Chief Engineer

C. Superintending Engineer

D. Executive Engineer.

 Answer Option B

18. If a Lemniscate curve having an angle of deflection Δ, is transitional throughout, the maximum polar angle is

A. Δ/2

B. Δ/3

C. Δ/4

D. Δ/5

E. Δ/6

 Answer Option E

19. On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from

A. 5 kg to 7 kg/tonne

B. 7 kg to 9 kg/tonne

C. 9 kg to 11 kg/tonne

D. 11 kg to 13 kg/tonne

E. none of these.

 Answer Option C

20. Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate

A. formation width

B. side slopes

C. horizontal curve

D. vertical curve

E. provision of future widening.

 Answer Option D

21. Formation width of a hill road is the distance between

A. outer end of side drain to outer end of parapet wall

B. outer end of side drain to inner end of parapet wall

C. inner end of side drain to outer end of parapet wall

D. inner end of side drain to inner end of parapet wall

E. none of these.

 Answer Option A

22. California Bearing Ratio method of designing flexible pavements is more accurate as it involves

A. characteristics of soils

B. traffic intensities

C. character of the road making materials

D. none of these.

 Answer Option C

23. Longitudinal pavement lines marked broken in white paint

A. are for the guidance of the drivers

B. are not to be crossed over

C. may be crossed over at the discretion of the driver

D. all the above.

 Answer Option C

24. Design of flexible pavement, involves

A. wheel loads

B. intensity of traffic

C. climate of the region

D. sub-grade conditions

E. all the above.

 Answer Option C

25. Design of highways is based on

A. axle loads

B. axle spacings

C. wheel bases

D. over all length

E. all the above.

 Answer Option E

26. On a pavement with parabolic camber, the angle of inclination of the vehicles will be

A. more at the crown

B. less at the edges

C. more at the edges

D. same at the edges as well as at the crown

E. none of these.

 Answer Option C

27. The difference in gradients after full super-elevation and the initial alignment of a road, is known as

A. ruling gradient

B. rising gradient

C. compensated gradient

D. differential gradient

E. none of these.

 Answer Option D

28. If the radius of a main curve is 300 m and length of the transition curve is 100 m, the angle with tangent to locate the junction point, is

A. 1° 11'

B. 2° 11'

C. 3° 11'

D. 4° 11'

 Answer Option C

29. Minimum radius of a simple circular curve deflecting through 5°, is

A. 1618.9 m

B. 1816.9 m

C. 1718.9 m

D. 1817.9 m

 Answer Option C

30. When a number of hair pin bends are introduced, a minimum intervening distance in between is kept

A. 20 m

B. 40 m

C. 60 m

D. 100 m

 Answer Option C

31. If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no superelevation is provided, if the camber, is

A. 4%

B. 3%

C. 2%

D. 1.7%

 Answer Option C

32. Width of a rotary round should be equal to

A. twice the width of narrowest radial road

B. width of the widest road

C. width of the widest road plus the width of one lane

D. width of the widest road plus 2 metres.

 Answer Option C

33. To prevent movement of moisture from subgrade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is

A. 15 cm

B. 20 cm

C. 30 cm

D. 45 cm

E. none of these.

 Answer Option E

34. The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and every piece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievious" was made by

A. Telford

B. Macadam

C. Tresguet

D. Sully.

 Answer Option B

35. If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed

A. 1525 (L + 4.3) - 14.7 L2

B. 1526 (L + 5.3) - 14.7 L2

C. 1525 (L + 6.3) - 14.7 L2

D. 1525 (L + 7.3) - 14.7 L2

E. 1526 (L + 8.3) - 14.7 L2

 Answer Option D

36. For a 6.6 m wide two lane pavement, berms are provided on either side having a width of

A. l.00 m

B. 1.25 m

C. 1.50 m

D. 1.75 m

E. 2.00 m

 Answer Option C

37. For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of

A. Westergard's formula

B. Kelly's formula

C. Goldbeck's formula

D. Spanlar's formula

E. Picker's formula.

 Answer Option E

38. 1.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in

A. 1907

B. 1917

C. 1927

D. 1937

E. 1942

 Answer Option C

39. The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is

A. 0.500 m

B. 0.589 m

C. 1.089 m

D. 0.089 m

 Answer Option C

40. Depth of reinforcement below the surface of a concrete pavement, is generally kept

A. 5 cm

B. 6 cm

C. 7 cm

D. 8 cm

E. 9 cm

 Answer Option A

41. If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec3, is

A.

B.

C.

D.

E. 80/(75+V)

 Answer Option E

42. Volume of traffic which is due to improvement carried out in adjacent area, is known as

A. development traffic

B. generated traffic growth

C. normal traffic growth

D. current traffic.

 Answer Option A

43. Roughness index of roads, is expressed as

A. size of the stone on the pavement

B. number of patches on the pavement

C. cumulative deformation of surface per horizontal distance

D. type of the road surface.

 Answer Option C

44. If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is

A.

B.

C.

D.

E. both (a) and (b)

 Answer Option E

45. Pick up the correct statement from the following:

A. The height of head light above road surface, is taken as 0.75 m

B. The beam of head light is up to one degree upwards from the grade of road

C. While designing the valley curve, the height of the object is assumed nil

D. All the above

 Answer Option D

46. Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of

A. 10 metres

B. 20 metres

C. 25 metres

D. 30 metres

E. 50 metres

 Answer Option B

47. The tangent length of a simple circular curve of radius R deflecting through θ°, is

A. R tan θ

B. R tan θ/2

C. R sin θ

D. R sin θ/2

E. R cot θ/2

 Answer Option B

48. Which one of the following transportation systems is not used for the conveyance of passengers in India?

A. railways

B. roads

C. shipping

D. air lines

E. pipe lines.

 Answer Option E

49. Thickness of broken line markings on multi-lane road for lanes is generally kept

A. 10 cm

B. 12 cm

C. 15 cm

D. 18 cm

E. 20 cm

 Answer Option A