Q. Design of both summit and valley curves is based on the assumption that the ?

  • (A) curve is so flat that the length of curve is equal to the length of chord
  • (B) two portions of the curve along the two tangents on either side of the point of are equal
  • (C) angles made by the tangent with the horizontal are very small and tangents of are equal to the angles themselves (in radians) the
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above

Q. Longitudinal joints in concrete pavements ?

  • (A) divide the pavement into lanes
  • (B) take care of the unequal settlement of the sub-grade
  • (C) help in laying out concrete in convenient widths
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above

Q. The flexible pavement distribute the wheel load ?

  • (A) directly to sub-grade
  • (B) through a set of layers to sub-grade
  • (C) through structural action
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) through a set of layers to sub-grade

Q. The minimum length of a valley curve should be such equal to the ?

  • (A) stopping sight distance
  • (B) passing sight distance
  • (C) braking distance
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) stopping sight distance

Q. A gradient at which no tractive force is required to maintain constant speed by a vehicle ?

  • (A) average gradient
  • (B) limiting gradient
  • (C) exceptional gradient
  • (D) floating gradient
πŸ’¬ Discuss
βœ… Correct Answer: (D) floating gradient

Q. For jeepable roads, the width of pavement adopted is ?

  • (A) 3 m
  • (B) 3.75 m
  • (C) 5 m
  • (D) 5.5m
πŸ’¬ Discuss
βœ… Correct Answer: (A) 3 m

Q. In hill roads, minimum sight distance required is ?

  • (A) stopping sight distance
  • (B) passing sight distance
  • (C) braking distance
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) stopping sight distance

Q. In snow-bound sections, the super-elevation on roads should not be more than ?

  • (A) 7 %
  • (B) 8 %
  • (C) 9 %
  • (D) 10 %
πŸ’¬ Discuss
βœ… Correct Answer: (A) 7 %

Q. A wall constructed to retain the earth from slippage on the hill side of the roadway is called ?

  • (A) breast wall
  • (B) retaining wall
  • (C) parapet wall
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) breast wall

Q. The design capacity is also known ?

  • (A) basic capacity
  • (B) theoretical capacity
  • (C) practical capacity
  • (D) possible capacity
πŸ’¬ Discuss
βœ… Correct Answer: (C) practical capacity

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