A fermentation medium is being cooled from 70^0C to 32^0C in a double pipe heat exchanger. Fluid flowing counter currently with this stream in heated from 20^0C

to 46^0C. The log mean temperature difference (in0C) for the two streams is

#Question id: 10563

#Part-B Specialized Branches in Biotechnology

The rate of diffusion depend upon

#Question id: 10564

#Part-B Specialized Branches in Biotechnology

The term Ys , called the solute potential or the osmotic potential, represents the effect of dissolved solutes on water potential,

a) The mixing of solutes and water reduces the disorder of the system and thereby lowers free energy

b) Solutes reduce the free energy of water by diluting the water

c) The mixing of solutes and water increases the disorder of the system and thereby lowers free energy

d) Solutes increases the free energy of water by diluting the water

 Which one of the following statements are INCORRECT?

#Question id: 10565

#Part-B Specialized Branches in Biotechnology

The term Yp is the hydrostatic pressure of the solution

#Question id: 10567

#Part-B Specialized Branches in Biotechnology

Cell A is having solute potential of -14 and Pressure potential of 3. Cell B is having Solute potential of -16 and Pressure potential of 4. The water will travel from

#Question id: 10569

#Part-B Specialized Branches in Biotechnology

Plants that grow in saline environments, called

#Question id: 10570

#Part-B Specialized Branches in Biotechnology

The diffusion coefficient (Ds ) is a characteristic of the substance

a) diffusion in liquid is much faster than diffusion in air

b) larger molecules have smaller diffusion coefficients

c) diffusion in air is much faster than diffusion in a liquid

d) Larger molecules have larger diffusion coefficient

Which of the following combination is correct?