The softening point of bitumen in the given options (in degree Celsius) will be ______

The solvent used in cut back bitumen is ______

The temperature in penetration test is ______

If the water content of a soil sample is 25%, and dry density is 15KN/m3 then its dry density in KN/m3 is?

The void ratio can never be ______

Stone aggregate do not have to resist ______

The surface of bitumen should be ______

What is the ratio of volume of voids and volume of soil solids?