Unit Weight
1. The core cutter method can be used for gravels, boulders, or any other hard surface.
2. The field density of a natural soil deposit cannot be determined by ____ method.
3. In its natural condition, a soil sample has a mass of 1.980 kg and a volume of 0.001 m3. After being completely dried in an oven, the mass of the sample is 1.800 kg. The specific gravity (G) is 2.7. The unit weight of water (γw) is 10 kN/m3. The degree of saturation of soil is ____