Highway Engineering problems
- 1. The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is
Options- A. same for National Highways
- B. different for National Highways
- C. same for State Highways
- D. same for Major District roads. Discuss
Correct Answer: different for National Highways
- 2. The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 km ph, is
Options- A. 120 m
- B. 200 m
- C. 640 m
- D. none of these. Discuss
Correct Answer: 120 m
- 3. Pick up the correct statement from the following:
Options- A. Long tangent sections exceeding 3 km in length should be avoided
- B. Curve length should be at least 150 metres for a deflection angle of 5 degress
- C. For every degree decrease in the deflection angle, 30 metre length of curve to be increased
- D. If the deflection angle is less than 1°, no curve is designed
- E. All the above. Discuss
Correct Answer: All the above.
- 4. Driving vehicles on wet surfaced roads, is dangerous because it may
Options- A. skid
- B. slip
- C. overturn
- D. all the above. Discuss
Correct Answer: slip
- 5. Pick up the correct statement from the following:
Options- A. Seasonal cycle of traffic volume during April and November, is usually near the annual average
- B. Mid-winter seasonal cycle of traffic is least
- C. Mid-summer seasonal cycle of traffic is highest
- D. All the above. Discuss
Correct Answer: All the above.
- 6. The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known
Options- A. ruling gradient
- B. maximum gradient
- C. exceptional gradient
- D. floating gradient
- E. all the above. Discuss
Correct Answer: maximum gradient
- 7. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, then, for a minimum sight distance S, the length of the vertical curve should be greater than
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 8. If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is
Options- A.
- B.
- C.
- D.
- E.
Discuss
Correct Answer:
- 9. Length of vehicles does not affect
Options- A. extra widening
- B. minimum radius of turning
- C. passing sight distance
- D. width of shoulders
- E. none of these. Discuss
Correct Answer: width of shoulders
- 10. To prevent movement of moisture from subgrade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is
Options- A. 15 cm
- B. 20 cm
- C. 30 cm
- D. 45 cm
- E. none of these. Discuss
Correct Answer: 15 cm
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