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Justify the statement “No heat should be passed across the pinch for minimum utility targeting”.
Explain the step-by-step procedure for the construction of attainable region for reactor design.
Discuss in brief about design opportunities and general steps in product and process design.
Discuss in detail the various environmental factors to be considered in process design.
Explain “threshold approach temperature” and “optimum approach temperature”.
Design a heat exchanger network for the following stream data. Take ∆Tmin = 15 K, Minimum hot utility = 9.5 kW, Minimum cold utility = 12 kW, Cold pinch temperature = 413 K. STREAM TIN(K) TOUT(K) MCp (kW/K) H1 473 353 0.25 H2 523 313 0.15 C1 413 503 0.3 C2 293 453 0.2
For stream matching to be feasible near pinch, justify that FCh ≥ FCc must be satisfied in the below pinch region.
Enlist the steps in the Pinch Design Approach to inventing a Heat Exchange Network.
Find out pinch point and minimum utility requirements by constructing the Grand Composite Curve for below mentioned stream data using ∆Tmin = 10°C. STREAM TIN (°C) TOUT (°C) MCp(kW/°C) H1 180 40 2 H2 150 40 4 C1 60 180 3 C2 30 105 2.6
What is Gantt chart? Draw Gantt chart for the recipe AABC for Zero wait, No intermediate storage and Unlimited storage transfer policies using the following processing times. Product Processing times (h) A 5 4 3 B 3 2 3 C 4 3 4 Zero Cleanup Times
Develop Gantt charts and find cycle time and makespan for single product campaigns (AAABBB) and mixed product campaigns (ABABAB) considering Zero Wait transfer policy for the following batch data. Product Stage 1 Stage 2 A 5 2 B 2
Sketch all possible distillation column sequences for the separation of a four- component system (A, B, C and D).
Discuss the concept of multi-effect distillation as possibility of energy integration.
Find the best distillation-based separation sequence for the following data of marginal vapour flows for 5 component system. The components behave relatively ideally. Separation A B C D E A/B - - 100 1 1 B/C 1 - - 1 1 C/D 1 100 - - 1 D/E 1 1 100 - -
Construct three alternatives for the placement of heat engines with the background process.
Explain heat integration in distillation column using vapor recompression and reboiler flashing.
Rank the sequences to separate four components (A, B, C and D) using marginal vapor rate method using the following details: Separation Marginal vapour flows Separation Marginal vapour flows A/B 0 ABC/D 613 A/BC 163 B/C 0 A/BCD 340 B/CD 227 AB/C 231 BC/D 385 AB/CD 435 C/D 0
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Official Gujarat Technological University (GTU) examination paper for Computer Aided Process Synthesis (Summer 2025, B.E. · Chemical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
3170507 Computer Aided Process Synthesis
Official GTU PDF · Summer 2025
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