Soil Mechanics Exam 2 questions with correct answers
True CORRECT ANSWER T/F: Hydraulic gradient, i, is defined as the energy or head loss, h, per unit length, l. True CORRECT ANSWER T/F: Seepage velocity, the actual velocity of the water flowing in the voids, is greater than the discharge, or superficial, velocity and is related by porosity. Degree of Soil Saturation Void Ratio Grain size distribution Pore size distribution CORRECT ANSWER Hydraulic conductivity, or permeability, depends on the following: False CORRECT ANSWER T/F: There is a direct relationship between porosity and hydraulic conductivity. False CORRECT ANSWER T/F: Liquefaction, or quicksand, occurs when the effective stress is less than zero. True CORRECT ANSWER T/F: Seepage forces, which may cause quicksand to develop, are always present in soils where there is a gradient causing the flow of water. False CORRECT ANSWER T/F: The water level in a piezometer directly reads the total head at the point of interest.
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