Highway Engineering problems
- 1. 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
Options- A. 500 vehicles per hour
- B. 700 vehicles per hour
- C. 1000 vehicles per hour
- D. 1250 vehicles per hour Discuss
Correct Answer: 1000 vehicles per hour
- 2. The correct formula for calculating superelevation for the hill roads, is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 3. Parapet walls along hill roads, are provided
Options- 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. Discuss
Correct Answer: to prevent the wheels of the vehicle from coming on the retaining wall
- 4. Speed regulations on roads is decided on the basis of
Options- A. 60 percentile cumulative frequency
- B. 75 percentile cumulative frequency
- C. 80 percentile cumulative frequency
- D. 85 percentile cumulative frequency. Discuss
Correct Answer: 85 percentile cumulative frequency.
- 5. In case of a multi-lane road, overtaking is generally permitted
Options- A. from right
- B. from left
- C. from both sides right and left
- D. not at all. Discuss
Correct Answer: from both sides right and left
- 6. Newly constructed pavement with ordinary Portland cement attains its working strength after
Options- A. 7 days
- B. 14 days
- C. 21 days
- D. 28 days
- E. 42 days Discuss
Correct Answer: 28 days
- 7. A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as
Options- A. ruling gradient
- B. pushing gradient
- C. floating gradient
- D. minimum gradient Discuss
Correct Answer: floating gradient
- 8. Intermediate catch water drains are provided only, if
Options- 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. Discuss
Correct Answer: all the above.
- 9. 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
Options- 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 Discuss
Correct Answer: 52.44 km/hour
- 10. When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as
Options- A. valley curve
- B. sag curve
- C. summit curve
- D. all the above. Discuss
Correct Answer: summit curve
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