Highway Engineering
When the width of car parking space and width of street are limited, generally preferred parking system is

65° angle parking
45° angle parking
90° angle parking
Parallel parking

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Highway Engineering
The provision of traffic signals at intersections

reduces right angled collisions but may increase rear end collisions
reduces right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
increases 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, permeability and dry strength increase
Compressibility and permeability increase and dry strength decreases
Compressibility and permeability decrease and dry strength increases

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