Highway Engineering problems
- 1. If D is the degree of a curve, the percentage reduction of gradient, is
Options- A. 0.01 D
- B. 0.02 D
- C. 0.03 D
- D. 0.04 D
- E. 0.005 D Discuss
Correct Answer: 0.04 D
- 2. To indicate proper control of consistency of a freshly mixed concrete for pavement construction, the slump should be between
Options- A. 3 to 5 cm
- B. 4 to 6 cm
- C. 5 to 7 cm
- D. 7 to 10 cm
- E. 10 to 12 cm Discuss
Correct Answer: 7 to 10 cm
- 3. If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differential grade along the curve, is
Options- A. (x + y)%
- B. (x - y)%
- C. (y - x)%
- D. (x x y)%
- E. (y + x)% Discuss
Correct Answer: (y - x)%
- 4. On concrete roads, the camber generally provided, is
Options- A. 1 in 20 to 1 in 24
- B. 1 in 30 to 1 in 48
- C. 1 in 36 to 1 in 48
- D. 1 in 48 to 1 in 60
- E. 1 in 60 to 1 in 72 Discuss
Correct Answer: 1 in 60 to 1 in 72
- 5. In an ideal transition curve, the radius of curvature
Options- A. is constant
- B. at any point is directly proportional to its distance from the point of commencement
- C. is inversely proportional to the radius of main curve
- D. is directly proportional to the radius of main curve Discuss
Correct Answer: is inversely proportional to the radius of main curve
- 6. The extra widening of pavements recommended by Indian Roads Congress for hill roads having radius 150 metres, is
Options- A. 1.5 m
- B. 1.0 m
- C. 0.5 m
- D. 0.0 m
- E. 2.0 m Discuss
Correct Answer: 0.0 m
- 7. Transverse joints are provided at distances varying from
Options- A. 10 m to 15 m
- B. 12 m to 18 m
- C. 16 m to 24 m
- D. 17 m to 27 m
- E. 25 m to 35 m Discuss
Correct Answer: 17 m to 27 m
- 8. The normal road width of National and State highways
Options- A. is kept 45 m
- B. in plain and rolling terrain built-up area, is 30 m
- C. in mountainous built-up area is 20 m
- D. All the above. Discuss
Correct Answer: All the above.
- 9. The advantage of providing superelevation on roads, is
Options- A. higher speed of vehicles
- B. increased volume of traffic
- C. reduced maintenance cost of the roads
- D. draining off rain water quickly
- E. all the above. Discuss
Correct Answer: all the above.
- 10. Camber in pavements is provided by
Options- A. straight line method
- B. parabola method
- C. straight at the edges and parabolic at the crown
- D. all the above. Discuss
Correct Answer: all the above.
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