In an oedometer test a 25 mm-thick specimen of saturated clay reaches 50% consolidation in 20 minutes. How long would it take a 5 m-thick layer of this clay in the field to reach the same degree of consolidation under the same stress and drainage conditions

Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.