(25 pt) Fuel oil

(\\\\gamma

)

=48.0lb(f)/(f)t^(3),\\\\mu =

(

2.0\\\\times 10^(-5)lbf-(s)/(f)t^(2))

is pumped through the piping system shown below with a velocity of

4f(t)/(s)

. The pressure

200ft

upstream of the pump is

5\\\\psi g

. The pipe lengths are shown in the figure, and the minor loss coefficients are as shown. The pipe diameter is

2.0in

, and the relative roughness,

(\\\\epsi )/(D)=0.001

.\ (a) (5 pt) Compute the Reynolds number.\ (b)

(5pt)

Compute the total frictional head loss. Use Eqn 6.49 to calculate the friction factor.\ (c)

(10pt)

Determine the required head delivered by the pump.\ (d) (5 pt) If

\\\\eta =75%

compute-the bhp of the motor.

(25 pt) Fuel oil ( =48.0lbf/ft3,=2.0105lbfs/ft2) is pumped through the piping system shown below with a velocity of 4ft/s. The pressure 200ft upstream of the pump is 5psig. The pipe lengths are shown in the figure, and the minor loss coefficients are as shown. The pipe diameter is 2.0in, and the relative roughness, /D=0.001. (a) (5 pt) Compute the Reynolds number. (b) (5 pt) Compute the total frictional head loss. Use Eqn 6.49 to calculate the friction factor. (c) (10 pt) Determine the required head delivered by the pump. (d) (5 pt) If =75% compute-the bhp of the motor