Highway Engineering
In case of summit curves, the deviation angle will be maximum when

an ascending gradient meets with a descending gradient
a descending gradient meets with another descending gradient
an ascending gradient meets with a level surface
an ascending gradient meets with another ascending gradient

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Highway Engineering
Select the correct statement.

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

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Highway Engineering
A traffic rotary is justified where

when traffic volume is less than 500 vehicles per hour
space is limited and costly
number of intersecting roads is between 4 and 7
when traffic volume is more than 5000 vehicles per hour

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