Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Liquid Gas Neither A nor B Both A & B Liquid Gas Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up Avoid channelling 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 0.122 0.079 0.048 0.152 0.122 0.079 0.048 0.152 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.017 0.107 0.31 0.215 0.017 0.107 0.31 0.215 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity increases The relative humidity decreases The specific humidity decreases The partial pressure of water vapour increases The relative humidity increases The relative humidity decreases The specific humidity decreases The partial pressure of water vapour increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? None of these Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature Cooling and dehumidification None of these Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
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