Highway Engineering Objective Type Questions - Set 09 - ObjectiveBooks

# Practice Test: Question Set - 09

1. If the radii of a compound curve and a reverse curve are respectively the same, the length of common tangent
(A) Of compound curve will be more
(B) Of reverse curve will be more
(C) Of both curves will be equal
(D) None of these

2. The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient
(A) 1 in 10
(B) 1 in 15
(C) 1 in 20
(D) 1 in 25

3. Bottom most layer of pavement is known as
(A) Wearing course
(B) Base course
(C) Sub-base course

4. The number of vehicles moving in a specified direction on a roadway that pass a given point during specified unit of time, is called
(A) Traffic volume
(B) Traffic density
(C) Basic capacity
(D) Traffic capacity

5. Ruling gradient on hill roads 300 m above M.S.L. is kept
(A) 4 %
(B) 5 %
(C) 7 %
(D) 8 %

6. The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is
(A) 8 cubic meter
(B) 10 cubic meter
(C) 12 cubic meter
(D) 15 cubic meter

7. The minimum value of camber provided for thin bituminous surface hill roads, is
(A) 2.2 %
(B) 2.5 %
(C) 3.0 %
(D) 3.5 %

8. Roundabouts are not suitable if number of vehicles exceed
(A) 3000
(B) 4000
(C) 5000
(D) 6000

9. The minimum design speed for hairpin bends in hill roads is taken as
(A) 20 kmph
(B) 30 kmph
(C) 40 kmph
(D) 50 kmph

10. Thickness of a pavement may be reduced considerably by
(A) Compaction of soil
(B) Stabilization of soil
(C) Drainage of soil
(D) Combination of all the above

11. To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is
(A) 50/R
(B) 75/R
(C) 100/R
(D) 125/R

12. The maximum allowable Los Angeles abrasion value for high quality surface course is
(A) 10 %
(B) 20 %
(C) 30 %
(D) 45 %

13. The minimum ratio of the radii of two circular curves of a compound curve, is kept
(A) 1.25
(B) 1.5
(C) 1.75
(D) 2.0

14. The distance traveled by a moving vehicle during perception and brake reaction times, is known as
(A) Sight distance
(B) Stopping distance
(C) Lag distance
(D) None of these

15. Rigidity factor for a tyre pressure greater than 7 kg/cm² is
(A) Equal to 1
(B) Less than 1
(C) Greater than 1
(D) Zero