Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Remains same Increases linearly Decreases Increases Remains same Increases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rotary dryers cannot handle __________ materials. Free flowing Sticky Grannular Dry Free flowing Sticky Grannular Dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Dissolving sugar from the cells of the beet Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Removing nicotine from its water solution by kerosene Dissolving sugar from the cells of the beet Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Removing nicotine from its water solution by kerosene ANSWER DOWNLOAD EXAMIANS APP
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 Humidity of inlet air Temperature of the solid Relative humidity of outlet air Flow rate of inlet air Humidity of inlet air Temperature of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 ANSWER DOWNLOAD EXAMIANS APP