Determination of Unit Weight and Specific Gravity
Trending Questions
Q. What is the dry unit weight of a clay soil when the void ratio of a sample there of is 0.50, the degree of saturation is 70% and the specific gravity of soil grains is 2.7? Take the value of γw to be 9.81kN/m3.
13.651kN/m2
- 19.951kN/m2
- 23.651kN/m2
- 29.95kN/m2
Q. What are the respective values of void ratio, porosity ratio and saturated density (inkN/m3) for a soil sample which has saturation moisture content of 20% and specific gravity of grains as 2.6? (take density of water as (10kN/m3)
- 0.52, 1.08, 18.07
- 0.52, 0.34, 18.07
- 0.77, 1.08, 16.64
- 0.52, 0.34, 20.14
Q. The water content of a saturated soil and specific gravity of soil solids were found to be 30% and 2.70 respectively. Assuming the unit wt of water to be 10 kN/m3, the saturated unit wt (kN/m3) and the void ratio of the soil are
- 19.4, 0.81
- 18.5, 0.30
- 19.4, 0.45
- 18.5, 0.45
Q. Which one the following represents relative density of saturated sand deposit having moisture content of 25%, if maximum and minimum void ratio of sand are 0.95 and 0.45 respectively and specific gravity of sand particles is 2.6?
- 40%
- 50%
- 60%
- 70%
Q. While boring was being done, the soil sample was found to be saturated with kerosene oil. The saturated unit weight of soil was found to be 2.5 gm/cc. If the specific gravity of soil grains and kerosene oil be 2.7 and 0.9 respectively, the dry unit weight is..... g/cc
- 2.4
- 1.8
- 1.6
- 2.6
Q. A soil sample in its natural state has mass of 2.290 kg and a volume of 1.15 × 10−3m3. After being oven dried, the mass of the sample is 2.035 kg. Gs for soil is 2.68. The void ratio of the natural soil is
- 0.40
- 0.45
- 0.55
- 0.53
Q. The given figure indicate the weights of different pycnometers:

The specific gravity of the solids is given by

The specific gravity of the solids is given by
W2W4−W2
W1−W2(W3−W4)−(W2−W1)
- W2W3−W4
- W2−W1(W2−W1)−(W3−W4)
Q.
The dry density of a soil is 1.5 g/cc. If the saturation water content were 50% then its saturated density and submerged density would, respectively, be
- 1.5 g/cc and 1.0 g/cc
- 2.0 g/cc and 1.0 g/cc
- 2.25 g/cc and 1.25 g/cc
- 2.50 g/cc and 1.50 g/cc
Q. A 588 cm3 volume of moist sand weighs 1010 gm. Its dry weight is 918 gm and G is 2.67. Assuming density of water as 1 gm/cc, the void ratio is
- 0.71
Q. A sample of 500 g dry sand, when poured into a 2 litre capacity cylinder which is partially filled with water, displaces 188 cm3 of water. The density of water is 1 g/cm3. The specific gravity of the sand is
- 2.66
- 2.52
- 2.72
- 2.55