58210-mt----energy Conservation & Chemical Process Industries

NR

Code No: 58210/MT

M.Tech. – II Semester Regular Examinations, September, 2008 ENERGY CONSERVATION & CHEMICAL PROCESS INDUSTRIES (Chemical Engineering) Time: 3hours

Max. Marks:60 Answer any FIVE questions All questions carry equal marks ---

1.a) b)

What do you understand by thermodynamic efficiency? How it is relevant in Energy studies? Explain. Write a note on ‘on site audit’ of energy.

2.a) b)

What is cogeneration? Explain. Explain the linear programming approach of Maximum potential fuel utilization. With an illustration.

3.

Explain, the details of the use of thermodynamic analysis to improve the energy efficiency of a process. Present the details, by means of an illustrative example.

4.

Enumerate in detail, the guidelines and recommendations for improving process conditions. Make emphasis on ‘system interactions’, in your answer.

5.a)

What is energy conservation? What are the energy conservation measures? Explain. Discuss the aspects of ‘Good Housekeeping’ conservation measures.

b) 6.

What are ‘Heat Exchange Networks’? What are the benefits derived out of HEN? How minimum utility requirements can be estimated in heat exchange problems? Explain.

7.

Discuss in detail, the methods of reducing energy consumption in distillation processes.

8.

Write short notes on a) Product substitution

b) Batch processes. $$$