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
- (B) Minimum radius
of turning
- (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
7. The advantage of providing super-elevation on roads, is
- (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
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