Card 17 / 35: A fluid of density 0.78 g/cm3 and viscosity 2.2 cP flows through a 5 inch ID pipe with surface roughness e/D = 0.005 at a flow rate of 500 kg/min. The pipe is 100 m long. What is the pressure drop over the pipe?
A)
7.5 Pa
B)
7.5 kPa
C)
750 kPa
D)
750 kPa
E)
75 Pa
Answer:
B) 7.5 kPa
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