Highway Engineering problems
- 1. Pick up the incorrect statement from the following:
Options- A. Highways are always constructed in straight line
- B. Highways may be provided horizontal curves
- C. Highways may be provided vertical curves
- D. Highways may be provided both horizontal and vertical curves. Discuss
Correct Answer: Highways are always constructed in straight line
- 2. Setting out of Lemniscate transition curves, is done with
Options- A. perpendicular offsets
- B. radial offsets
- C. deflection angles
- D. polar deflection angles. Discuss
Correct Answer: polar deflection angles.
- 3. Super-elevation on roads in snow bound areas, should generally not exceed
Options- A. 15%
- B. 12%
- C. 10%
- D. 7%
- E. 6% Discuss
Correct Answer: 7%
- 4. If L is the length of the transition curves provided on either side of a circular curve of radius R, the maximum angle of deflection with tangent for the junctions of the transition curve and circular curve, is
Options- A. L/R
- B. L/2R
- C. L/3R
- D. L/4R
- E. none of these. Discuss
Correct Answer: none of these.
- 5. Indian Road Congress (I.R.C.) was founded and constituted with its head quarters at New Delhi, in
Options- A. 1924
- B. 1927
- C. 1930
- D. 1934
- E. 1942 Discuss
Correct Answer: 1934
- 6. If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2, spacing of 10 mm tie bars for the longitudinal joint, is
Options- A. 10 cm
- B. 20 cm
- C. 30 cm
- D. 40 cm
- E. 50 cm Discuss
Correct Answer: 30 cm
- 7. If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is
Options- A. 65 m
- B. 70 m
- C. 75 m
- D. 80 m
- E. 90 m Discuss
Correct Answer: 70 m
- 8. Excessive camber on pavements may cause
Options- A. deterioration of central portion
- B. slip of the speedy vehicles towards the edges
- C. erosion of the berms
- D. all the above. Discuss
Correct Answer: all the above.
- 9. The minimum road width is taken
Options- A. 9 m
- B. 12 m
- C. 16 m
- D. 20 m Discuss
Correct Answer: 9 m
- 10. If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the required super elevation is
Options- A. 50 cm
- B. 1 in 25
- C. 1 in 400
- D. 1 in 40
- E. 1 in 24 Discuss
Correct Answer: 1 in 25
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