Practice Test: Question Set - 17
1. If R is the radius of a main circular curve, Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is
- (A) 3 R √(sin
Δ/3 sin 2α)
- (B) 3 R √(sin
Δ/2 sin 3α)
- (C) 3 R √(sin
Δ/3 sin α/2)
- (D) 3 R √(sin
2Δ sin α)
2. Raising of outer edge of a road with respect to inner edge, is known
- (A) Super
elevation
- (B) Cant
- (C) Banking
- (D) All the
above
3. The G.T. road from Lahore to Calcutta in undivided India, was constructed during
- (A) 3495-3500 BC
- (B) 265-270 BC
- (C) 1540-1545 AD
- (D) 1440-1450 AD
4. Endoscope is used to determine
- (A) Spot speed
- (B) Average
speed
- (C) Travel time
- (D) None of
these
5. The minimum road width is taken
- (A) 9 m
- (B) 12 m
- (C) 16 m
- (D) 20 m
6. Newly constructed pavement with ordinary Portland cement attains its working strength after
- (A) 7 days
- (B) 14 days
- (C) 21 days
- (D) 28 days
7. The maximum comfortable retardation applied to moving vehicles, is
- (A) 3.42 m/sec2
- (B) 4.42 m/sec2
- (C) 5.56 m/sec2
- (D) 7.80 m/sec2
8. For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is
- (A) 1 sec
- (B) 1.5 sec
- (C) 2.0 sec
- (D) 2.5 sec
9. Horizontal curves on highways are provided
- (A) To break the
monotony of driving
- (B) To
discourage the tendency to increase speed
- (C) To decrease
the mental strain on drivers
- (D) All the
above
10. Bottom-most component of a flexible pavement, is
- (A) Sub-grade
- (B) Sub-base
- (C) Base
- (D) Base course
11. For a properly designed vehicle, the resistance generally ignored, is
- (A) Wind
resistance
- (B) Rolling
resistance
- (C) Grade
resistance
- (D) Axle
resistance
12. If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is
- (A) 1 in 60
- (B) 1 in 45
- (C) 1 in 30
- (D) 1 in 15
13. A subsidiary area in a carriageway placed so as to control the movement of the traffic, is
- (A) Median strip
- (B) Island
- (C) Flower bed
- (D) Refuge
14. Traffic engineering only includes
- (A) Planning
of regulatory measures
- (B) Design
and application of control devices
- (C) Analysis
of traffic characteristics
- (D) All
the above
15. The traffic manoeuvre means
- (A) Diverging
- (B) Merging
- (C) Crossing
- (D) All the
above
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