1. A simplex piston pump with single effects and used to transport hot oil (d=0.85, -0.01 Pas and P-90 kPa abs.) from an open tank A to a pressurized tank B, as illustrated in Figure 1. A pump rotation speed is 45 rpm. data: Piston diameter-10 cm Suction pipe: d, 80mm, 1,55m Piston stroke-15 cm Discharge pipe: d=80mm, 1=7m Connecting rod length-30 cm Friction factor for all ducts-005 NPSH 0.6 m ( 45 rpm) 250 Patal V 1.5 m Figure 1: Piston pump a) Determine the minimum pressure in the cylinder and the corresponding angle. h) Determine the minimum elevation difference in suction to avoid cavitation: and c) What is the power required to operate the bontha, if the pump efficiency is 92%