Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 0.0025 2.5 1.25 0.25 0.0025 2.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Dependent on the Reynolds number Proportional to √D D/2a D/a Dependent on the Reynolds number Proportional to √D D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is All of these Inversely proportional to 'P' Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components All of these Inversely proportional to 'P' Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature remains unaffected Temperature always increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sodium bicarbonate is produced during soda ash manufacture using a __________ tower. Plate None of these Baffle Packed Plate None of these Baffle Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? None of these Flow rate of the entering gas Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas Composition of the entering liquid Terminal concentrations of gas stream ANSWER DOWNLOAD EXAMIANS APP
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