Bioprocess Engineering Convective Mass Transfer Online Exam Quiz
Bioprocess Engineering Convective Mass Transfer GK Quiz. Question and Answers related to Bioprocess Engineering Convective Mass Transfer. MCQ (Multiple Choice Questions with answers about Bioprocess Engineering Convective Mass Transfer
Refer to Q8 and, calculate the rate of loss of naphthalene from the surface per unit width.
Options
A : 0.100 gmol/m.hr
B : 0.102 gmol/m.hr
C : 0.101 gmol/m.hr
D : 0.103 gmol/m.hr
In a wetted-wall tower, an air-H2S mixture is flowing by a film of water which is flowing as a thin film down a vertical plate. The H2S is being absorbed from the air to the water at a total pressure of 1.50 atm abs and 30oC. The value of kc of 9.567×10-4 m/s has been predicted for the gas-phase mass-transfer coefficient. At a given point the mole fraction of H2S in the liquid at the liquid-gas interface is 2.0×10-5 and pA of H2S in the gas is 0.05 atm. The Henry’s law equilibrium relation is pA(atm) = 609xA (mole fraction in liquid). Calculate the rate of absorption of H2S.
Options
A : 1.480×10-3 kmol/m2.s
B : 1.486×10-3 kmol/m2.s
C : 1.485×10-3 kmol/m2.s
D : 1.487×10-3 kmol/m2.s
Heat transfer by molecular collision in ____________________
Options
A : Conduction
B : Convection
C : Scattering
D : Radiation
Which is the fastest mode of transfer of heat?
Options
A : Conduction
B : Convection
C : Scattering
D : Radiation
What do you mean by Sherwood number?
Options
A : Dimension mass transfer number
B : Dimensionless mass transfer number
C : Dimension momentum transfer number
D : Dimensionless momentum transfer number
Psychrometry deals with between which type of phases?
Options
A : Gas-liquid
B : Gas-solid
C : Gas-Vapour
D : Vapour-Solid
The unit of mass transfer coefficient is ______________
Options
A : m-1s
B : ms-1
C : m-1s2
D : m2s-1
Which type of columns are used for liquid dispersion in a continuous gas phase?
Options
A : Packed
B : Bubble cap
C : Sieve – plate
D : Fluidized bed
Convection does not occur in _______________
Options
A : Solid
B : Liquid
C : Gas
D : Molten Solid
The distribution coefficient is accurate only if?
Options
A : Solvents are miscible
B : Solutes are miscible
C : Solvents are immiscible
D : Occurrence of chemical reaction
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