WorksheetsHIGHWAY - II
Total questions: 35
Worksheet time: 21mins
1. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
a) slipping
b) skidding
c) turning
d) revolving
2. Coefficient of friction is less when the pavement surface is
a) dry
b) rough
c) smooth and dry
d) smooth and wet
3. The shoulder provided along the road edge should be
a) rougher than the traffic lanes
b) smoother than the traffic lanes
c) of same colour as that of the pavement
d) of very low load bearing capacity
4. Compared to a level surface, on a descending gradient the stopping sight distance is
a) less
b) more
c) same
d) dependent on the speed
5. On a single lane road with two way traffic, the minimum stopping sight distance is equal to
a) stopping distance
b) two times the stopping distance
c) half the stopping distance
d) three times the stopping distance
6. The desirable length of overtaking zone as per IRC recommendation is equal to
a) overtaking sight distance
b) two times the overtaking sight distance
c) three times the overtaking sight distance
d) five times the overtaking sight distance
7. Stopping sight distance is always
a) less than overtaking sight distance
b) equal to overtaking sight distance
c) more than overtaking sight distance
d) none of the above
8. If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is
a) 30 M
b) 60 m
c) 120 m
d) 180 m
9. The effect of grade on safe overtaking sight distance is
a) to increase it on descending grades and to decrease it on ascending grades
b) to decrease it on descending grades and to increase it on ascending grades
c) to increase it on both descending and ascending grades
d) to decrease it on both descending and ascending grades
10. The ruling design speed on a National Highway in plain terrain as per IRC recommendations is
a) 60 kmph
b) 80 kmph
c) 100 kmph
d) 120 kmph
11. The terrain may be classified as rolling terrain if the cross slope of land is
a) upto 10%
b) between 10% and 25%
c) between 25% and 60%
d) more than 60%
12 . As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is
a) 1 in 15
b) 1 in 12.5
c) 1 in 10
d) equal to camber
13. For a constant value of coefficient of lateral friction, the value of required super-elevation increases with
a) increase in both speed and radius of curve
b) decrease in both speed and radius of curve
c) increase in speed and with decrease in radius of curve
d) decrease in speed and with increase in radius of curve
14. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by
a) 8 kmph
b) 12 kmph
c) 16 kmph
d) 20 kmph
15. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is
a) 110 m
b) 220 m
c) 440 m
d) 577 m
16. The attainment of super elevation by rotation of pavement about the inner edge of the pavement
a) is preferable in steep terrain
b) results in balancing the earthwork
c) avoids the drainage problem in flat terrain
d) does not change the vertical alignment of road
17. Select the correct statement.
a) Psychological extra widening depends on the number of traffic lanes
b) Mechanical extra widening depends on the speed of vehicle.
c) Psychological extra widening depends on the length of wheel base
d) Psychological extra widening depends on the speed of vehicle
18. The transition curve used in the horizontal alignment of highways as per IRC recommendations is
a) spiral
b) lemniscate
c) cubic parabola
d) any of the above
19. The maximum design gradient for vertical profile of a road is
a) ruling gradient
b) limiting gradient
c) exceptional gradient
d) minimum gradient
20. Which of the following shapes is preferred in a valley curve ?
a) simple parabola
b) cubic parabola
c) spiral
d) lemniscate
21. . If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression
a) 0.38 N V3/2
b) 0.38 (NV3)"2
c) 3.8 NV"2
d) 3.8 (NV3)"2
22. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be
a) zero
b) 64m
c) 80m
d) 60m
23. Highway facilities are designed for
a) annual average hourly volume
b) annual average daily traffic
c) thirtieth highest hourly volume
d) peak hourly volume of the
24. Enoscope is used to find
a) average speed
b) spot speed
c) space-mean speed
d) time-mean speed
25. Length of a vehicle affects
a) width of traffic lanes
b) extra width of pavement and minimum turning radius
c) width of shoulders and parking facilities
d) clearance to be provided under structures such as overbridges, under-bridges etc.
26. . Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?
a) road side interview method
b) license plate method
c) return postcard method
d) home interview method
27. The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
a) spot maps
b) pie charts
c) condition diagram
d) collision diagram
28. . If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is
a) 2500 vehicles per day
b) 2000 vehicles per hour
c) 2500 vehicles per hour
d) 1000 vehicles per hour
29. . Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is
a) 1.0
b) 2.0
c) 0.5
d) 10
30 . If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is
a) 1500 vehicles per hour
b) 2000 vehicles per hour
c) 2500 vehicles per hour
d) 3000 vehicles per hour
31 . Scientific planning of transportation system and mass transit facilities in cities should be based on
a) spot speed data
b) origin and destination data
c) traffic volume data
d) accident data
32. The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as
a) pie chart
b) spot maps
c) condition diagram
d) collision diagram
33. When the speed of traffic flow becomes zero,then
a) traffic density attains maximum value whereas traffic volume becomes zero
b) traffic density and traffic volume both attain maximum value
c) traffic density and traffic volume both become zero
d) traffic density becomes zero whereas traffic volume attains maximum value
34. On a right angled road intersection with two way traffic, the total number of conflict points is
a) 6
b) 11
c) 18
d) 24
35. The background colour of the informatory sign board is
a) red
b) yellow
c) green
d) white
