Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? 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 Temperature of the solid Humidity of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ columns are used for liquid dispersion in a continuous gas phase. Bubble cap Packed Sieve plate Pulse Bubble cap Packed Sieve plate Pulse ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the None of these Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points None of these Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Terminal concentrations of gas stream Flow rate of the entering gas None of these Composition of the entering liquid Terminal concentrations of gas stream Flow rate of the entering gas None of these Composition of the entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 0.5 50 0.05 5 0.5 50 0.05 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
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