Highway Engineering Objective Questions and Answers pdf - Set 07 - ObjectiveBooks

# Practice Test: Question Set - 07

1. The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is
(A) Same for National Highways
(B) Different for National Highways
(C) Same for State Highways
(D) Same for Major District roads

2. To prevent a head-on-collision of vehicles traveling in opposite directions along four-lane roads
(A) Markings on the road are provided
(B) Physical dividers are provided
(C) Area dividers are provided
(D) Medians of wide area are provided

3. The maximum thickness of expansion joint in rigid pavements is
(A) 0
(B) 25 mm
(C) 50 mm
(D) 100 mm

4. Length of vehicles does not affect
(A) Extra widening
(C) Passing sight distance
(D) Width of shoulders

5. The type of curves generally provided on highways, is
(A) Critical curve
(B) Transition curve
(C) Vertical curve
(D) All the above

6. The thickness of bituminous carpet varies from
(A) 20 to 25 mm
(B) 50 to 75 mm
(C) 75 to 100 mm
(D) 100 to 120 mm

(A) Higher speed of vehicles
(B) Increased volume of traffic
(C) Reduced maintenance cost of the roads
(D) All the above

8. Gradient resistance of moving vehicles along down slopes, is
(A) + 7 kg/tonne
(B) + 9 kg/tonne
(C) - 9 kg/tonne
(D) - 7 kg/tonne

9. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is
(A) 10 Lux
(B) 15 Lux
(C) 20 Lux
(D) 30 Lux

10. Camber in pavements is provided by
(A) Straight line method
(B) Parabola method
(C) Straight at the edges and parabolic at the crown
(D) All the above

11. Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec2 to overtake a vehicle moving at a speed 30 km ph, is
(A) 5.0 secs
(B) 6.12 secs
(C) 225.48 secs
(D) 30 secs

12. The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve
(A) 0
(B) 3
(C) 5
(D) 7

13. For night travel, the length of a valley curve should be such that the head light beam distance is the same as
(A) Stopping sight distance
(B) Overtaking sight distance
(C) Sum of (a) and (b)
(D) Difference of (a) and (b)

14. According to Indian Road Congress, the width of carriageway, is
(A) 3.75 m for single lane
(B) 7.0 m for two lanes without raised kerbs
(C) 7.5 m for two lanes with raised kerbs
(D) All the above

15. The binder normally used in flexible pavement construction is
(A) Cement
(B) Lime
(C) Bitumen
(D) None of the above