Exam (elaborations)
ARCE 421.
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Exam of 1 pages for the course AE 421 - Week 2 at AE 421 - Week 2 (ARCE 421.)
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ARCE 421If all voids are filled with water, what do we call this soil? - ANS-Saturated
If I need the weight, will I multiply or divide the volume by gamma? - ANS-Multiply
Can the volume of voids be equal to zero? - ANS-No
Could S be equal to 1.0? - ANS-Yes
if s=1 the soil will be called - ANS-Saturated
Could S be > than 1.0? - ANS-No
Could n be equal to 0? - ANS-No
Can Vv=Vt - ANS-No
Could w be equal to zero? - ANS-Yes
Gs is dimensionless - ANS-True
The degree of saturation can be greater than 100% - ANS-False; Vw/Vv can not be
greater than 100%
Porosity is always less than the void ratio - ANS-True; n=Vv/VT e=Vv/Vs so total is
always more than Vv
A submerged unit weight of a soil sample can be more than its saturated weight -
ANS-False; gamma(sub)= gamma(sat)-gamma(w)
What is the unit weight of water? - ANS-62.4 pcf
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