A soil has a liquid limit of 61 and a plastic limit of 30. A moisture content test performed on an undisturbed field sample of this soil yielded the following results: Mass of soil can before placing in oven 96.20g Mass of soil can after removal from oven 71.90g Mass of can 20.80g Compute the following: (a) The plasticity index (b) The moisture content (c) The liquidity index Present a qualitative description of this soil at its in situ moisture content.

To design a steam turbine to produce 12,000 hp power. a engineer comsiders using a steady state stean low st 1160fr and engineer considers using a steady state steam flow at 1160°r and 450 psia to drive this steam turbine. the exhaust of the steam is cooled by the lake (vacuum). heat losing to the surroundings is measured at a rate of 555.55 btu/s. (a) sketch the system with the given conditions. (b) neglecting kinetic and potential energy changes from inlet to exit, determine the volumetric flow rate of the steam at the inlet, (ft'/hr). must clearly show unit conversions at crtical terms.