Estimate and describe briefly the relative value of production rate either long or short period on the given cases as below: - a) High Porosity, Low Permeability b) Low Porosity, Low Permeability c) Low Porosity, High Permeability

An extended layer of soil with homogeneous rounded grains has 10% of the material finer than 0.007 mm. The constant to be adopted to determine its permeability has been recommended as 750. What is its permeability?

Estimate the terminal settling velocity in water at a temperature of 15°C of spherical silicon particles with specific gravity 2.4 and average diameter of 0.05mm. Assume p=999 kg/m3 and p= 0.00113 Ns/m2

A sorption study of Cd2+ on a sandy loam gave the following results: Equilibrium Concentration                (mg/L) Cd2+ Sorbed       (mg/gm)               0.045           7               0.10          15               0.14           21               0.20           30               0.24           37 What is Kd