HIGHWAY ENGINEERING QUIZ

Most suitable material for highway embankments is

organic soil

silts

clays

granular soil

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Compared to a level surface, on a descending gradient the stopping sight distance is

same

dependent on the speed

more

less

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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

elliptical

turbine

tangent

circular

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The value of ruling gradient in plains as per IRC recommendation is

1 in 20

1 in 12

1 m 15

1 in 30

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Stopping sight distance is always

equal to overtaking sight distance

None of these

more than overtaking sight distance

less than overtaking sight distance

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In highway construction, rolling starts from

One side and proceed to other side

Any of the above

Center and proceed to sides

Sides and proceed to center

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The maximum width of a vehicle as recommended by IRC is

2.44 m

3.81 m

1.85 m

4.72 m

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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

1500 vehicles per hour

3000 vehicles per hour

2500 vehicles per hour

2000 vehicles per hour

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The suitable surfacing material for a bridge deck slab is

mastic asphalt

rolled asphalt

sheet asphalt

bituminous carpet

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In soils having same values of plasticity index, if liquid limit is increased, then

Compressibility and permeability increase and dry strength decreases

Compressibility, permeability and dry strength increase

Compressibility and permeability decrease and dry strength increases

Compressibility, permeability and dry strength decrease

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