Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is 2 1 ∞ 0.5 2 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve. 50 None of these 100 78 50 None of these 100 78 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary May increase on decrease, depends on the system Decreases Increases Does not vary May increase on decrease, depends on the system Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Hexane Dilute H₂SO₄ Hot water Lime water Hexane Dilute H₂SO₄ Hot water Lime water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 0.0025 1.25 0.25 2.5 0.0025 1.25 0.25 ANSWER DOWNLOAD EXAMIANS APP
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