Which one of the following statements is incorrect? O a. For a given value of ATmin utilities predicted by composite curves are minimum that are required to solve the heat recovery problem. O b. Stream splitting is used for designing heat exchanger network when feasibility criteria do not match. Oc. In pinch technology the design task is to find the best network of exchangers, heaters and coolers that can handle exchange of heat among hot and cold streams and utilities at minimum operating and annualized capital cost. O d. "Pinch Design Method" starts the design where the problem is least constrained. O e. An inefficient process requires more than the minimum external heating and therefore more than the minimum external cooling