Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Heat gain or loss Flow rate of entering liquid None of the listed here Flow rate of gas Heat gain or loss Flow rate of entering liquid None of the listed here Flow rate of gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D0.5 D D1.5 1/D D0.5 D D1.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 1 4 3 2 1 4 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Either A, or B ; depends on the type of packing Greater than Equal to Smaller than Either A, or B ; depends on the type of packing Greater than Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Either A or B, depends on the mixture composition Equal to Lower than Higher than Either A or B, depends on the mixture composition Equal to Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
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