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
- (D) Sub-grade
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
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