(1) WWWR 24.1
Liquified natural gas, LNG, is to be shipped from the Alaskan Kenai Peninsula by an
ocean carrier to processing plant on Yaquina Bay, Oregon. The molecular composition
ofg commercial LNG is
Methane, CH4
Ethane, C2H6
Propane, C3H8
Carbon Diox

Assignment MT1-2015-4
Section 1
(Based on lecture notes)
Note: - Use the notations used in the class whenever necessary
Q.1.1) What are the ways to obtain mass transfer coefficient?
Q.1.2)
a)
b)
c)
d)
Derive an expression for mass transfer coefficient usi

Assignment MT1-2015-1
Section =1
(Based on lecture notes)
Note:
1) Use the notations used in the class whenever necessary
2) Assume Binary mixture
Q.1) Define
1. Mass average velocity
2. Molar average velocity
3. n , i and j
4. N,I and J
Q.2) Write the st

Assignment MT1-2015-2
Section =1
(Based on lecture notes)
1.1) Derive the equation of continuity in terms of molar flux.
1.2) Considering the steady state diffusion in binary gas mixture derive the
equation for the flux for the following cases
a. Diffusio

Assignment MT1-2015-5
Section 1
(Based on Lecture Notes)
1.1 ) Explain Two Resistance Theory or Two Film Theory. Why is it called so?
1.2 ) Establish the graphical relationship between local mass transfer coefficients and
interfacial concentration in case

Assignment MT1-2015-3
Section 1
1.1 Develop an expression for
(a) Drying time in the case of drying of a Spherical water droplet
(b) Sublimation time of a Cylindrical naphthalene rod
(c) Molar transfer rate from a tank 1 to tank 2 connected through a tape

HW 28-1-2013 Counter-Current Extraction Eith Reflux
An extraction cascade equipped with a perfect solvent separator to provide extract reflux, is used to
separate methylcyclopentane (A) and n-hexane (C) into a final extract and raffinate containing, on a

HW 14/01/2013 Single Stage Solvent Extraction
A 2500 Kg batch of Pyridine-Water solution containing 50% Pyridine is to be reduced to
10% Pyridine using 2200 Kg of Chlorobenzene in a single stage extraction process.

HW 21-1-2013 Counter-Current Extraction Process
A quantity of 100 Kg/hr of 50-50 acetone-water solution is to be reduced to 10% acetone using 30
kg/hr of 1, 1, 2-trichloroethylene in a multi stage counter current extraction operation at 25oC.
Calculate th