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- Question
If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept
Options- A. 1.275 d
- B. 1.125 d
- C. 0.85 d
- D. 0.75 d
- E. 0.60 d
- Correct Answer
- 0.85 d
- 1. Pick up the correct statement from the following:
Options- A. Detailed survey is carried out for a strip of land about 15 m on either side of the trace cut along straight portions
- B. Detailed survey is carried out for a strip of land about 30 m at sharp curves
- C. Levels are taken along the trace cut at an interval of 20 m
- D. Contour interval is generally adopted at 2 metres vertical interval
- E. All the above. Discuss
- 2. Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have
Options- A. no gradient between A and C
- B. a positive gradient between A and C
- C. a negative gradient between A and C
- D. a negative gradient between A and B
- E. a positive gradient between A and B followed by a negative gradient between B to C. Discuss
- 3. If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years will be
Options- A. 6050 vehicles
- B. 7050 vehicles
- C. 8050 vehicles
- D. 9050 vehicles Discuss
- 4. If cross slope of a country is upto 10% the terain is classified as
Options- A. plain
- B. rolling
- C. mountainous
- D. steep. Discuss
- 5. Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2, is
Options- A. 17.0 cm
- B. 25.5 cm
- C. 34.0 cm
- D. 42.5 cm
- E. 50.0 cm Discuss
- 6. In case of cement concrete pavements, pick up the incorrect statement
Options- A. tractive resistance is low
- B. initial cost of construction is high
- C. initial cost of construction is low
- D. visibility during nights is high
- E. none of these. Discuss
- 7. In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is
Options- A. 0.64
- B. 6.25
- C. 0.16
- D. none of these Discuss
- 8. If V is the velocity in km.p.h., t the brake reaction time in seconds and ? the efficiency of the brakes, the stopping distance S of the vehicle, is
Options- A.
- B.
- C.
- D.
Discuss
- 9. Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm2 at 28 days, are
Options- A. 5.0
- B. 6.5
- C. 7.0
- D. 7.5
- E. 8.0 Discuss
- 10. Reference pillars fixed on the centre line of a proposed road, provide the following information:
Options- A. reduced distance (R.D.)
- B. horizontal distance of road from the centre line
- C. reduced level at the top of pillar
- D. formation level of the road
- E. all the above. Discuss
Highway Engineering problems
Search Results
Correct Answer: All the above.
Correct Answer: a positive gradient between A and B followed by a negative gradient between B to C.
Correct Answer: 8050 vehicles
Correct Answer: plain
Correct Answer: 25.5 cm
Correct Answer: initial cost of construction is low
Correct Answer: 0.16
Correct Answer:
Correct Answer: 6.5
Correct Answer: all the above.
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