Chapter 6.5, Problem 15E

(a)

To determine

Find the work done to empty the tank by pumping the water back to ground level when the tank is full.

(b)

To determine

Find the time taken to empty the full tank.

c)

To determine

Show that the time taken to done the work to lower the water level as 10 ft is first 25 min of pumping.

d)

To determine

Find the work done to empty the tank by pumping the water back to ground level when the tank is full at weight of water as $62.26{\text{lb/ft}}^{\text{3}}$ and also find the time taken to empty the tank for part a).

Find the work done to empty the tank by pumping the water back to ground level when the tank is full at weight of water as $62.59{\text{lb/ft}}^{\text{3}}$ and also find the time taken to empty the tank for part b).