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 0.25 1.25 2.5 0.0025 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation. Furfural Hexane Benzol Butyl acetate Furfural Hexane Benzol Butyl acetate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A slurry is to be dried to produce flaky solid. Which dryer would you recommend? Spray dryer Rotary dryer Dielectric dryer Drum dryer Spray dryer Rotary dryer Dielectric dryer Drum dryer ANSWER DOWNLOAD EXAMIANS APP
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