Mass Transfer CO₂ can be absorbed by Heated charcoal Cold Ca(OH)₂ Hot cupric oxide Alumina Heated charcoal Cold Ca(OH)₂ Hot cupric oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. Between 0 and 100 50 100 Between 0 and 100 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Composition Temperature Total pressure All of these Composition Temperature Total pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operating cost of a distillation column at minimum reflux ratio is Zero Minimum Infinite Maximum Zero Minimum Infinite Maximum ANSWER DOWNLOAD EXAMIANS APP