Pune University BE Chemical Process Synthesis Question Papers

Pune University BE Chemical Process Synthesis Question Papers

B.E. (Chemical) CHEMICAL PROCESS SYNTHESIS (2008 Pattern) (Sem. – I) (Elective – II)

Time :3 Hours]                                                                           [Max. Marks :100

Instructions to the candidates:-

1)            Answers to the two sections should be written in separate answer books.

2)             Neat diagrams must be drawn wherever necessary.

3)             Pigures to the right indicate full marks.

4)             Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed.

5)            Assume suitable data, if necessary.

SECTION – I

QI) a) Explain two approaches to chemical process design.                      [8]

b) Explain in short overall process design.                                                             [8]

OR

Q2) a) Explain in short different parameters in choice of reactor.            [8]

b) Discuss idealized reactor model.                                                                         [8]

Q3) a) Explain the effect of reactor pressure on the selectivity and reactor volume.  [8]

b) Explain four possible arrangements for fixed bed reactors.                                                                        [8]

OR

Q4) a) Explain Heterogeneous catalyst and catalytic degredation.           [8]

b) Discuss fluidized bed catalytic reactor with neat sketch.                                                                             [8]

Q5) a) Discuss preliminary selection factors, if distillation is the choice of separator.                                                                                                                               [8]

b) Explain various types of dryers with neat sketch.                                                                                       [10]

OR

 

Q6) Write short notes on;                                                                                                  [18]

a)            Practical reactors.

b)            Various parameters on the performance of absorption.

c)            Centrifugal separation.

SECTION – II

Q7) a) Explain heat integration in sequencing of simple distillation column. [8] b) Discuss thermal coupling for direct and indirect distillation sequencing. [8]

OR

Q8) a) Explain threshold problems in heat exchanger network.                                   [8]

b) Discuss integration of refrigeration cycle .                                                        [8]

Q9) a) Explain heat recovery problem with one hot stream and one cold stream with suitable example.                                                                                                               [8]

b) Explain graphically heat recovery pinch.                                                           [8]

OR

Q10)a) Discuss integration of steam turbine with the process.                                    [8]

b) Explain criteria of utility selection in detail.                                                      [8]

Q11)a) What are safety and health considerations.                                                        [6]

b)            Discuss major hazards in process plants.                                                       [6]

c)            Explain the intensification of hazardous materials.                                     [6]

OR

QlPAWrite short note on;                                                                              [18]

a)            Attenuation of hazardous materials.

b)            Hazard triangle.

c)            Toxic release from process.

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