Oil at 20°C (density = 870 kg/m3) and viscosity = 0.104 kg/m-s) flows (laminar flow) at 1.1 m3/hr through a horizontal pipe with diameter d = 2 cm and length L = 12 m. Find the power required to cause the flow

Oil at 20°C (density = 870 kg/m3) and viscosity = 0.104 kg/m-s) flows

1.	Oil at 20°C (density = 870 kg/m3) and viscosity = 0.104 kg/m-s) flows (laminar flow) at 1.1 m3/hr through a horizontal pipe with diameter d = 2 cm and length L = 12 m. Find the power required to cause the flow
A.	29.7 W
B.	35.8 W
C.	15.7 W
D.	49.8 W
Answer» B. 35.8 W