a) Process flowsheet of a process plant is shown in Figure 1. An intern engineering student, you are assigned to extract stream data in order to perform an energy analysis on a process plant using pinch design technique. 1250 MW C2 Effluent Gas, 57 90C Reactor Effluent, 54 330 C Reflux, 513 120 MW Distillate, 514 03 40C 340 MW 140 MW 80 C 53 Feed, 51 30 C E1 S2 H1 207 C 280 C Distillation Column 56 Flash 90 Column Distillation Column Feed, 59 150C H2 SS 153C Reactor 120 MW Flash Liquid, 58 308 MW C1 90 C Reboiler, S11 1250 MW H3 Bottom Product, 510 105C Final Product, 512 C4 70C 200 MW Figure 1 Process Flowsheet of a process. Identify the stream data for pinch analysis and explain your selection based on the principles of stream data extraction. (6 marks)