Output Flow Calculation

el pablo

An entire system is filled with liquid.
At the top (30 feet) is a 2 gallon container,
connected to a tube (1.25" ID) for 14 feet,
connected to a tube (1.00" ID) for 10 feet,
then split with tees to 8 valves (.75" ID) and tubing (1.00" ID).

|.............|
|.............|
|....2.g.....|
|.............|
.\_........_/
....\...../
.....|...|
.....|...| 14 feet (1.25" ID)
.....|...|
.....|...|
.....|...|
.....|...|
......\../
.......||
.......||
.......|| 10 feet (1.00" ID)
.......||
.......||
.......||
......//\\
=O=O=O=O= valves

(sorry, the diagram on paper looks a lot better)

What is the flow rate at one opening if all valves are opened?
what is the flow rate at one opening is one valve is opened?

haa72

is it an assignment , obviously it looks like an asignment