Highway Engineering
In CBR test the value of CBR is calculated at

5.0 mm penetration only
both 2.5 mm and 5.0 mm penetrations
2.5 mm penetration only
7.5 mm penetration only

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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 another ascending gradient
an ascending gradient meets with a level surface

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