Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Either A or B; depends on the gas Increases Remains same Decreases Either A or B; depends on the gas Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D D1.5 D0.5 1/D D D1.5 D0.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is used in gas absorption process. Seive/perforated tray Wetted wall Packed Bubble cap Seive/perforated tray Wetted wall Packed Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Below which it will always stay dry Both A and B Above which it will always become damp Above Which it will always become dry and below which it will always stay damp Below which it will always stay dry Both A and B Above which it will always become damp Above Which it will always become dry and below which it will always stay damp ANSWER DOWNLOAD EXAMIANS APP
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