Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Distribution co-efficient Both A & B Neither A nor B Selectivity Distribution co-efficient Both A & B Neither A nor B Selectivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter Increases in summer None of these Decreases in winter Increases in winter Increases in summer None of these Decreases in winter ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Characterised by adsorption of heat Same as "Van der Waals" adsorption An irreversible phenomenon A reversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption An irreversible phenomenon A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Mechanical draft cooling tower Rotating disc contactor Rotary dryer Multiple effect evaporator Mechanical draft cooling tower Rotating disc contactor Rotary dryer Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is ∞ 2 0.5 1 ∞ 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
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