Mass Transfer Molality is defined as the number of gm moles of solute per __________ of solvent. Kg Gm m³ Litre Kg Gm m³ Litre ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Neither A nor B Both A & B Unsaturated surface Constant rate Neither A nor B Both A & B Unsaturated surface Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 70 7 0.7 150 70 7 0.7 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, Use high pressure distillation Use steam distillation An azeotrope may be formed during distillation Use molecular distillation Use high pressure distillation Use steam distillation An azeotrope may be formed during distillation Use molecular distillation ANSWER DOWNLOAD EXAMIANS APP