Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 1 9 8 10 1 9 8 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed total pressure, humidity depends only on the Partial pressure of vapour in the mixture None of these Density of the vapour Heat capacity of the vapour Partial pressure of vapour in the mixture None of these Density of the vapour Heat capacity of the vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases does not depend upon the Pressure Temperature None of the listed here Nature of the components Pressure Temperature None of the listed here Nature of the components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. 200-330 > 500 < 150 > 1000 200-330 > 500 < 150 > 1000 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. Unsaturated surface Constant rate Both A & B Neither A nor B Unsaturated surface Constant rate Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS