1.In a given year, a 10,000 mi2 watershed received 20 inof precipitation. The average rate of flow in the river draining the area was found to be 6000 cfs, while groundwater and infiltration losses over the period were estimated to be 0.6inches. Determine the combined amounts of water evaporated and transpired from the region during the year of record. Report answer in inches.
2.Helium (Hrom an intie) at a rate of 1.5 lbm/s is compressed inan adibatic compressor from an intial condition of 70 F, 14.7 Psiato final condtion of 1070 F, 147 Psia. Determine:
a. The power required to run his compressor
b. The isentropic efficiency of this compressor
c. The T-s Diagram
d. The entropy generation for this process