Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Kinematic viscosity Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity Kinematic viscosity Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Randomly packed column Sieve plate column Wetted wall column Bubble cap column Randomly packed column Sieve plate column Wetted wall column Bubble cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Mixer-settler extractor Centrifugal extractor Pulsed extractor Packed extraction tower Mixer-settler extractor Centrifugal extractor Pulsed extractor Packed extraction tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2000 2500 1500 1000 2000 2500 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ordinary diffusion process is also called __________ diffusion. Forced Pressure Concentration Thermal Forced Pressure Concentration Thermal ANSWER DOWNLOAD EXAMIANS APP
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