Question 2 The best groundwater reservoirs have: Select one: a. High porosity and high permeability b. Low porosity and low permeability c. High porosity and low permeability Od. Low porosity and high permeability Question 3 Not yet answered Marked out of 1.00 PFlag question A storm with hourly rainfall totals of 3 mm in the first hour and 5 mm in the second hour have been recorded on a catchment with the following 1 hour UH. What is the peak flow from the catchment (in m3/s)? Time (hrs) UH (m3/s) 0 0 5 AWNO 2 3 4 Answer: 10 5 0 Question 4 Answer saved Marked out of 1.00 Flag question In this diagram, region A is the: region A O water table Select one: region B a. Discharge zone b. unsaturated zone c. Saturated zone d. Recharge zone well water table ---L Question 5 Not yet answered Marked out of 1.00 P Flag question If the hydraulic head at point A is 120 m and the hydraulic head at point B is 110 m and they are 20 m apart, what is the hydraulic gradient? For this question assume that the hydraulic gradient is always negative and that we are only interested in the magnitude of the slope. That is, if you compute a negative slope, simply enter the number that you have computed. Answer: