Consider the flow of motor oil through a segment of cast iron tubing that is 2 cm in diameter. This pipe is angled upwards with an angle of 30ư to the horizontal, and the flow is going from the lower point to the higher point. The flow rate of oil is 0.004 m^3/s. If the pressure difference between the inlet and outlet of this tubing is 800 kPa, what is the maximum length that this pipe can be? Assume a density of 850 kg/m^3 and a viscosity of 0.45 PaĆ¢ā¹ā¦s. - Ans: 1.18 m