• To complete this assignment follow the instructions • • Solution has to be typed on a word file and later uploaded in pdf format Any answers must not be copied from any source Plag of any kind is not acceptable once detected by us • Focus on marks / points to judge the length of answer • Font 12, and use consistent format throughout Q3 Hot oil flowing at the rate of 1.5 kg.s¹ in the tubes of a heat exchanger, is cooled from 200°C to 50°C, by using cooling water entering the shell side at 20°C. Assuming no heat losses from the shell to the surroundings and using the following data: Mass flowrate of cooling water = 0.75 kg.s¹ Specific Heat Capacity of the Oil 2.512 kl.kg¹.k1 122/5/SEMR2/23/24 (0 hand-out) 2 (a) Sketch an appropriate diagram to represent the system, labelling it with the relevant data provided above. [6 marks] (b) Calculate the Total Change in Entropy, ASTOTAL, of the process. [10 marks] (c) Determine whether, or not, the heat exchange process is reversible. [4 marks]