Highway Engineering
The desirable length of overtaking zone as per IRC recommendation is equal to

five times the overtaking sight distance
two times the overtaking sight distance
three times the overtaking sight distance
overtaking sight distance

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Highway Engineering
The provision of traffic signals at intersections

reduces right angled collisions but may increase rear end collisions
increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
reduces right angled and rear end collisions

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

Compressibility, permeability and dry strength decrease
Compressibility and permeability decrease and dry strength increases
Compressibility, permeability and dry strength increase
Compressibility and permeability increase and dry strength decreases

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