Highway Engineering problems
- 1. 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
Options- A. 0.500 m
- B. 0.589 m
- C. 1.089 m
- D. 0.089 m Discuss
Correct Answer: 1.089 m
- 2. The tangent length of a simple circular curve of radius R deflecting through ?°, is
Options- A. R tan ?
- B. R tan ?/2
- C. R sin ?
- D. R sin ?/2
- E. R cot ?/2 Discuss
Correct Answer: R tan ?/2
- 3. Formation width of a hill road is the distance between
Options- 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. Discuss
Correct Answer: outer end of side drain to outer end of parapet wall
- 4. For a 6.6 m wide two lane pavement, berms are provided on either side having a width of
Options- A. l.00 m
- B. 1.25 m
- C. 1.50 m
- D. 1.75 m
- E. 2.00 m Discuss
Correct Answer: 1.50 m
- 5. Thickness of broken line markings on multi-lane road for lanes is generally kept
Options- A. 10 cm
- B. 12 cm
- C. 15 cm
- D. 18 cm
- E. 20 cm Discuss
Correct Answer: 10 cm
- 6. California Bearing Ratio method of designing flexible pavements is more accurate as it involves
Options- A. characteristics of soils
- B. traffic intensities
- C. character of the road making materials
- D. none of these. Discuss
Correct Answer: character of the road making materials
- 7. Design of flexible pavement, involves
Options- A. wheel loads
- B. intensity of traffic
- C. climate of the region
- D. sub-grade conditions
- E. all the above. Discuss
Correct Answer: climate of the region
- 8. If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be
Options- A. 60/R
- B. 70/R
- C. 75/R
- D. 80/R
- E. 100/R Discuss
Correct Answer: 75/R
- 9. The difference in gradients after full super-elevation and the initial alignment of a road, is known as
Options- A. ruling gradient
- B. rising gradient
- C. compensated gradient
- D. differential gradient
- E. none of these. Discuss
Correct Answer: differential gradient
- 10. If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed
Options- 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 Discuss
Correct Answer: 1525 (L + 7.3) - 14.7 L2
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