Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 2.5 0.25 0.0025 1.25 2.5 0.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively >1 and ≈ 1 1 and 0 0 and ≈ 1 < 1 and ≈ 1 >1 and ≈ 1 1 and 0 0 and ≈ 1 < 1 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of -1.5 1.5 0.6 -0.6 -1.5 1.5 0.6 -0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.152 0.048 0.122 0.079 0.152 0.048 0.122 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The film penetration model of mass transfer was enunciated by Gilliland Stefan Fick Toor and Marchello Gilliland Stefan Fick Toor and Marchello ANSWER DOWNLOAD EXAMIANS APP
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