For the cohesion-less soil, we use the term density index ID. (A). True (B). False (C). Partially True Multiple Choice Question Answer: a
Density index ID doesn’t express the relative compactness of the natural cohesion-less soil. (A). True (B). False (C). Partially True Multiple Choice Question Answer: b
When the natural state of the cohesion-less soil is in its loosest form, to what its density index ID is equal? (A). 0 (B). 0.5 (C). 1 (D). 1.5 (E). None of these Multiple Choice Question Answer: a
What is the density index of natural deposit in its densest state? (A). 0 (B). 0.5 (C). 1 (D). 1.5 (E). None of these Multiple Choice Question Answer: c
How the relative compaction Rc is given? (A). γd,max/γd (B). γd/γd,min (C). γd/γd,max (D). γd,min/γd (E). None of these Multiple Choice Question Answer: c
What is the formula for density index ID? (A). (emax – e) (B). (emax–e)(emin−e) (C). (emax–emin)(emax−e) (D). (emax–e)(emax−emin) (E). None of these Multiple Choice Question Answer: d
What is the range in percentage of the relative density of loose granular soil? (A). 0-15 (B). 15-35 (C). 35-65 (D). 85-100 (E). None of these Multiple Choice Question Answer: b
What would be the relative density of the soil if the soil has a dry density of 17.5kN/m3 and it has the densities corresponding to the most compact and the loosest states as 18.5 kN/m3 and 13 kN/m3 respectively? (A). 0.871 (B). 0.865 (C). 0.869 (D). 0.860 (E). None of these Multiple Choice Question Answer: b
The soil has a porosity of 30%, its voids ratio in the loosest and densest state is 0.35 and 0.92 respectively, so its density index is ___ (A). 0.865 (B). 0.872 (C). 0.861 (D). 0.881 (E). None of these Multiple Choice Question Answer: c
When soil is in the loosest form, what would be the relative compaction if the Rc density index is zero? (A). 40% (B). 60% (C). 80% (D). 100% (E). None of these Multiple Choice Question Answer: c
The relative compaction Rc is related to the void ratio of soil by _____ (A). (1+e)(1+emax) (B). (1+e)(1+emin) (C). (1+emin)(1+e) (D). (1+emax)(1+emin) (E). None of these Multiple Choice Question Answer: c