Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 1 to 5 > 10 5 to 10 1 1 to 5 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. Indirect tray Freeze None of these Spray Indirect tray Freeze None of these Spray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Amount of solvent required will be minimum Separation of the constituents is the most effective No separation will occur Solvent flow rate should be very low Amount of solvent required will be minimum Separation of the constituents is the most effective No separation will occur Solvent flow rate should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied with chemical reaction is exemplified by the absorption of SO₂ in alkaline solution Ammonia in water All of these Benzol present in coke oven gas by wash oil SO₂ in alkaline solution Ammonia in water All of these Benzol present in coke oven gas by wash oil ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Absorption None of these Distillation Solvent extraction Absorption None of these Distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
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