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
Mass Transfer Heat load in a cooling tower Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Both A & B Is equal to the number of kg, of water circulated times the cooling range Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Both A & B Is equal to the number of kg, of water circulated times the cooling range ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Neither A nor B Temperature at constant humidity Both A & B Humidity at constant temperature Neither A nor B Temperature at constant humidity Both A & B Humidity at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Blowdown and leakage Evaporation All of these Drift Blowdown and leakage Evaporation All of these Drift ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Randomly packed column Packed column (stacked) Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) Sieve-plate column Bubble-cap column ANSWER DOWNLOAD EXAMIANS APP
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