HIGHWAY ENGINEERING QUIZ

Which of the following represents hardest grade of bitumen ?

100/120

60/70

30/40

80/100

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To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by

12kmph

8 kmph

16kmph

20 kmph

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When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is

turbine

circular

elliptical

tangent

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Select the correct statement.

More the value of CBR, greater thickness of pavement will be required

All of these

Minimum and maximum values of group index can be 0 and 20 respectively

More the value of group index, less thickness of pavement will be required

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The stopping sight distance depends upon

All of these

speed of vehicle

efficiency of brakes

total reaction time of driver

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Creep is the

Difference in level of two rails

Vertical movement of rail

Longitudinal movement of rail

Lateral movement of rail

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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

3000 vehicles per hour

2000 vehicles per hour

1500 vehicles per hour

2500 vehicles per hour

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For the design of super elevation for mixed traffic conditions, the speed is reduced by

25%

75%

15%

20%

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In case of hill roads, the extra widening is generally provided

fully on the outer side of the curve

one-fourth on inner side and three-fourth on outer side of the curve

fully on the inner side of the curve

equally on inner and outer sides of the curve

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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

condition diagram

collision diagram

spot maps

pie chart

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