B.Tech-B.Tech Chemical Engineering 4th Sem Process Equipment Design and Drawing - II-619604(Sathyabama University, Chennai, Tamil Nadu-2011)

                                                    SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act,1956)

 

Course & Branch :B.Tech – CHEM                                                     Max. Marks :80

Title of the Paper :Process Equipment Design & Drawing - II

Sub. Code :619604                                                                              Time : 3 Hours

Date :03/05/2011                                                                                 Session :FN

 

 

                        PART - A                    (10 x 2 = 20)

                        Answer ALL the Questions

1.     Define critical moisture content.

2.     State Duhring’s rule

3.     How fouling affects design parameters in heat exchangers?

4.     What are re boilers? List its principal types.

5.     Write the smoker equation used to calculate the number of stages in the design of distillation column

6.     Write the equation to calculate Murphee efficiency of a plate in the distillation column

7.     Name any 4 types of tower packing used in absorption towers.

8.     Define Langmuir adsorption isotherm.

9.     Define leaching

10.   What do you mean by extraction.

                                                                                             PART – B                       (5 x 12 = 60)

Answer All the Questions

11.   Name the various types of evaporators used in process industries and draw a neat sketch of long tube vertical evaporator.

(or)

12.   Draw a neat sketch of fluid bed dryer and name its parts.

13.   Explain the design procedure for Shell and Tube heat exchanger.

(or)

1. °C and the condensation will be complete at 45°

        Data’s available are:

                Molecular weight of n-propane = 44

                Molecular weight of n-butane = 58

                Overall coefficient = 900 W/m²°C

                Correction factor, f_t­ = 0.92

15.   Draw a neat sketch of sieve tray distillation column.  Give a separate diagram for the design of sieve tray.

(or)

16.   Write in detail the step-by-step procedure used for the design of distillation column used to separate a binary mixture.

17.   (a)    Explain the material balance equation for packed column
        absorption.

(b)   Derive an expression for calculating tower height of packed absorption tower.

(or)

18.   (a)    Explain the significance of break through curve for
        adsorption in a fixed bed.                                               (9)

        (b)   Define Pressure swing adsorption.                                 (3)

19.   Draw a neat sketch of rotary drum filter and indicate its important parts.

(or)

20.   Draw a neat sketch of disc bowl centrifuge and name its parts.

Earning:  ₹ 5.10/-