Practice Test: Question Set - 05
1. As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during
- (A) Harvesting
- (B) Lean season
- (C) Harvesting
and lean season
- (D) None of
these
2. Formation width of a hill road is the distance between
- (A) Outer end of
side drain to outer end of parapet wall
- (B) Outer end of
side drain to inner end of parapet wall
- (C) Inner end of
side drain to outer end of parapet wall
- (D) Inner end of
side drain to inner end of parapet wall
3. The camber of shoulders in water bound macadam roads is
- (A) Equal to the
cross slope of pavement
- (B) Less than
the cross slope of pavement
- (C) Greater than
the cross slope of pavement
- (D) Zero
4. Traffic surveys are carried out
- (A) To know the
type of traffic
- (B) To determine
the facilities to traffic regulations
- (C) To design
proper drainage system
- (D) All the
above
5. The difference in gradients after full super-elevation and the initial alignment of a road, is known as
- (A) Ruling
gradient
- (B) Rising
gradient
- (C) Compensated
gradient
- (D) Differential
gradient
6. The camber for hill roads in case of bituminous surfacing is adopted as
- (A) 2 %
- (B) 2.5 %
- (C) 3 %
- (D) 4 %
7. If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in meters, the formula C = 1000V/S is applicable to
- (A) District
roads
- (B) Two lane
roads
- (C) Two lane
roads in one direction
- (D) None of
these
8. To prevent movement of moisture from sub-grade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is
- (A) 15 cm
- (B) 20 cm
- (C) 30 cm
- (D) None of
these
9. The direct interchange ramp involves
- (A) Diverging to
the right side and merging from left
- (B) Diverging to
the left side and merging from right
- (C) Diverging to
the right side and merging from right
- (D) Diverging to
the left side and merging from left
10. Design of flexible pavements is based on
- (A) Mathematical
analysis
- (B) Empirical
formula
- (C) A compromise
of pure theory and pure empirical formula
- (D) None of
these
11. The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is
- (A) 0.500 m
- (B) 0.589 m
- (C) 1.089 m
- (D) 0.089 m
12. Which of the following represents hardest grade of bitumen?
- (A) 30/40
- (B) 60/70
- (C) 80/100
- (D) 100/120
13. The weight of vehicles affects
- (A) Pavement
thickness
- (B) Ruling
gradient
- (C) Limiting
gradient
- (D) All the
above
14. Pick up the correct statement from the following:
- (A) The height
of head light above road surface, is taken as 0.75 m
- (B) The beam of
head light is up to one degree upwards from the grade of road
- (C) While
designing the valley curve, the height of the object is assumed nil
- (D) All the
above
15. The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life pavement is
- (A) 1000
- (B) 10,000
- (C) 1,00,000
- (D) 10,00,000
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