Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Paper industry employs __________ driers. Spray Cylinder Rotary Fluidised bed Spray Cylinder Rotary Fluidised bed 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 0.048 0.122 0.152 0.079 0.048 0.122 0.152 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Capacity of a rotary dryer depends on its None of the listed here R.p.m Inclination with ground surface Both Inclination with ground surface & R.p.m None of the listed here R.p.m Inclination with ground surface Both Inclination with ground surface & R.p.m ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B Diffusion ANSWER DOWNLOAD EXAMIANS APP
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