Reference point

System Data:

Overflow elevation at Point $1$: $4000$ feet

Overflow elevation at Point $3$: $3990$ feet

Pipeline $1$:$L1=5000ft,D1=12-$inches

Pipeline $2$: L$2=4000ft,D2=10-$inches

Elevation of Point $2$: $3750$ feet

Pressure at Point $2$: $100$

Use Swamee and Jain equation to calculate friction factor $\text{'}f\text{'}$

Use kinematic viscosity for $60-$degree $F$ water

Pipeline material is PVC

Find:

System demand in gallons per minute $($gpm$)$

Velocity in pipeline $1$inf$\frac{t}{s}$

Velocity in pipeline $2$inf$\frac{t}{s}$

Elevation of hydraulic grade line at Point $2$ in feet