Daily Questions before Class!

Q1:What‘s the last 4 numbers of your student ID and name? (Eg: 0234李XX)

Q2:The rainfall characteristics include ________, _________, _________.

Q3:The sketch shows a watershed in Changsha. Determine Tc. (From point A to point B). Channel flow n=0.05 A=25 ft^2 P=27 ft s=0.004 ft/ft L=7500 ft