Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Temperature of the solid Humidity of inlet air Relative humidity of outlet air Flow rate of inlet air Temperature of the solid Humidity of inlet air Relative humidity of outlet air Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ extractor is used for the concentration of radioactive nuclear waste. Mixer-settler Pulsed column Seive plate None of the listed here Mixer-settler Pulsed column Seive plate None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.2 0.175 0.25 0.4 0.2 0.175 0.25 0.4 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 Both A & B Constant rate Neither A nor B Unsaturated surface Both A & B Constant rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture ANSWER DOWNLOAD EXAMIANS APP