Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 3.97 600 1 0.24 3.97 600 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the Increased diffusivity Decreased viscosity of liquid None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Increased diffusivity Decreased viscosity of liquid None of the listed here Both Decreased viscosity of liquid & Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Lowering the barometric pressure Reducing the humidity of entering air None of these Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. Electrical resistance Strength Thermal conductivity None of the listed here Electrical resistance Strength Thermal conductivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when Saturated feed is not used A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms Saturated feed is not used A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms ANSWER DOWNLOAD EXAMIANS APP
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