answer for 2.1) 6.5ft

2.2) 0.0077 cfs

2.3)6.17hr

Problem 2 You are designing a giant cylindrical rain barrel / storage tank for your house that collects water that drains off the roof. A hose drains the storage tank to the garden. Projected horizontal area: 2,000 ft 5 ft Garden Hose 50ft of 3/4" diameter, f = 0.036 Water, 70F 2 ft Free jet 2.1 If the tank must be able to hold all of the water from a storm that delivers 1" of rain, what diameter must the tank be? 2.2 What is the flow rate of rain into the tank during a storm if the 1" of rain is delivered steadily over 6 hours? 2.3 If the storage tank is initially empty, and the hose is open (draining), use a spreadsheet approach to determine and graph the tank water level as a function of time for the above 6 hour storm until it is almost empty following the rainstorm. Assume a constant friction factor of 0.036 and neglect minor losses. Outline your approach/equations on paper so that another student could follow. At what time following the beginning of the rainstorm is the water depth down to 5? 2.4 On your graph, delineate regions of filling, draining, and steady-state (if ever reached). Is the full height of the tank needed for this storm? 2.5 If you wanted the tank to drain more slowly, list 3 changes that you could make. 2.6 If the 1" of rain occurred over 1 hour instead of over 6 hours, how would your water level graph change