SWS 3022 Test Questions and Answers
A soil has a porosity of 40%, a gravimetric water content of 40%, and a volumetric water content of 30%. Is the soil saturated? - Answer-no because volumetric water content is not more than porosity
Water is difficult to evaporate compared to other liquids. -...
SWS 3022 Test Questions
and Answers
A soil has a porosity of 40%, a gravimetric water content of 40%, and a volumetric water
content of 30%. Is the soil saturated? - Answer-no because volumetric water content is
not more than porosity
Water is difficult to evaporate compared to other liquids. - Answer-True
Water's polarity is ultimately the result of oxygen's high electronegativity. - Answer-True
Soil temperature is strongly dependent on water content. - Answer-True
Atoms like oxygen "prefer" to have 8 electrons in their valence shells. - Answer-True
Cohesion of water molecules in the liquid is due to hydrogen bonding. - Answer-True
Hydraulic conductivity is the ease with which water moves through soil. - Answer-True
Downward movement of water in soils is due to gravity alone. - Answer-False
You have a 100 cm3 sample of soil B. The sample is oven dried and weighed. The
weight is 120 g.
What is the porosity of soil B? - Answer-55%
You obtain a soil sample with a volume of 400 cm3. It has a moist weight of 450 g and
an oven- dry weight of 400 g.
What is the Gravimetric water content?
Group of answer choices - Answer-Moist weight-dry weight/ dry weight 450-400/400 =
12.5%
You obtain a soil sample with a volume of 400 cm3. It has a moist weight of 450 g and
an oven- dry weight of 400 g.
What is the volumetric water content? - Answer-(Vw/ Vs) 50/400 = 12.5%
You obtain a soil sample with a volume of 400 cm3. It has a moist weight of 450 g and
an oven- dry weight of 350 g.
What is the volumetric water content?
Group of answer choices - Answer-100/400 = 25%
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