A tank carrying benzene is unloaded (P = 1.05 bar). The used pipeline is 225 mm internal diameter and 1500 m long. Miscellaneous losses due to fitting and valve equivalent to 600 pipe diameters. The maximum liquid level in the storage tank is 50 m above the lowest level in the benzene tank. The storage tank has a floating roof, which exerts a pressure of 1.1 bar on the liquid. The used pump must be unloaded 1000 tons within 4 hours. Estimate the power required by the pump. Take the pump efficiency as 70 percent. The density and viscosity of benzene are 881 kg/m3, and 0.6807 mN s/m2, respectively. Note: re-calculate the pipe diameter using the same pump power if it was used for water