Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) 1/μ μ² μ √μ 1/μ μ² μ √μ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Straight line Slightly concave upward None of these Slightly concave downward Straight line Slightly concave upward None of these Slightly concave downward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable Increases the scale forming tendencies of water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Differential heat of adsorption Heat of normal condensation Integral heat of adsorption Heat of wetting Differential heat of adsorption Heat of normal condensation Integral heat of adsorption Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2500 1500 1000 2000 2500 1500 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
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