Mass Transfer The binary diffusivity in gases and liquids vary respectively as T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Decreases Does not affect Exponentially increases Increases Decreases Does not affect Exponentially increases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calculation of mass transfer co-efficient is mostly/normally done using __________ theory. None of the listed here Surface renewal Penetration Film None of the listed here Surface renewal Penetration Film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature 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. Constant rate Both A & B Neither A nor B Unsaturated surface Constant rate Both A & B Neither A nor B Unsaturated surface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most efficient cooling tower out of the following is Atmospheric Forced draft Natural draft Induced draft Atmospheric Forced draft Natural draft Induced draft ANSWER DOWNLOAD EXAMIANS APP