Answer any seven out of ten. 1. List out Design principles. 2. Classify Mass Tranfer Operations. 3. Define steady state and unsteady state mass transfer operations. 4. Define Fick’s First Law. 5. Define stage .What is theoretical stage? 6. Draw cross flow cascade. 7. Define Gas Absorption and Gas Desorption. 8. Define HETP. 9. Define Extract and Raffinate. 10. List out names of equipments for leaching.
Describe Effect of Temperature and Pressure on Diffusivity.
[3 marks]Write down importance of mass transfer.
[3 marks]Explain Direct and Indirect Mass Transfer Operation with example.
[3 marks]Derive D =D AB BA
[3 marks]Write down Advantages and disadvantages of Membrane separation process.
[4 marks]Write down application of Membrane separation process.
[4 marks]Derive relation between NA and PA for steady state diffusion of Athrough nondiffusing B.
[4 marks]List out various types of membrane. Draw diagrams of plate and frame as well as tubular membranes.
[4 marks]diffusion of Aand B 1/2
[ marks]Define Tray efficiency- point efficiency, Murphy efficiency, Overall Tray efficiency
[4 marks]Write down characteristic of Ideal Solutions.
[3 marks]Explain Material balance for one component transfer counter current flow for Gas Absorption.
[3 marks]Equilibrium solubility of gases in liquids and effect of temperature and pressure on Gas Absorption.
[3 marks]Write down Industrial applications of Gas Absorption
[3 marks]Draw figures for Tray tower and packed tower for gas absorption.
[4 marks]Explain Minimum liquid-gas ratio for absorber
[4 marks]Write a short note on selection criteria for solvent for Gas absorption
Explain single stage Liquid Extraction and Derive equation for quantities of Extract and Raffinate for it
[4 marks]Write down Industrial applications of Liquid Extraction.
[3 marks]Write down Effect of temperature and pressure on solubility for Liquid Extraction.
[3 marks]Describe Equilateral triangular co-ordinates system of three liquids-one pair partially Soluble.
[4 marks]Write a short note on selection criteria for solvent for Liquid Liquid Extraction.
[7 marks]Describe In place leaching.
[3 marks]Write down Industrial applications of leaching.
[4 marks]Describe Preparation of solid for leaching.
[4 marks]Describe Leaching by Shanks system. 2/2
[3 marks]