1.The evaporation rate from the surface of a 3650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing? What is the change in centimeters?
2.Base course aggregate has a target dry density 119.7 lb/cu ft in place. it will be laid down and compacted in a rectangular street repair area of 2000 ft x 48 ft x 6 in the aggregate in the stockpile contains 3.1% moisture. if the required compaction is 95 % of the target. How many moisture of aggregate will be needed ?