Gasoline at 20°C (density = 680 kg/m3) is pumped through a smooth 12 cm diameter pipe, 10 km long, at a flow rate of 75 m3/hr. The inlet is fed by a pump at an absolute pressure of 24 atm. The exit is at standard atmospheric pressure and is 150 m higher. Estimate frictional head loss hf.

Gasoline at 20°C (density = 680 kg/m3) is pumped through a smooth 12

1.	Gasoline at 20°C (density = 680 kg/m3) is pumped through a smooth 12 cm diameter pipe, 10 km long, at a flow rate of 75 m3/hr. The inlet is fed by a pump at an absolute pressure of 24 atm. The exit is at standard atmospheric pressure and is 150 m higher. Estimate frictional head loss hf.
A.	199 m
B.	299 m
C.	99 m
D.	399 m
Answer» B. 299 m