List of top Water Resources and Environmental Hydraulics Questions

Find the depth of flow (in m, rounded to two decimals) in a hydraulically efficient rectangular channel ($n = 1/80$) carrying 64 m$^3$/s at slope $S = 0.01$.
The following figure shows a 2-hour unit hydrograph (1 cm rainfall excess) for a catchment area of 540 hectare. Find the peak discharge (in m$^3$/s, rounded to one decimal place).
The correct order of hydraulic conductivity for the geologic formations is
Centrifugal pumps with suction pipe (shown by solid arrow) and delivery pipe (shown by dotted arrow) are shown in the figures. Choose the option that gives the correct connection.
Consider the following statements:
Statement 1: Goodrich method for reservoir routing is based on hydrologic flood routing method.
Statement 2: Muskingum method for channel routing is based on hydraulic flood routing method.
Which one of the following is correct?