Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Depends on the pressure of the system Remains unchanged Decreases Increases Depends on the pressure of the system Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In paper industry, paper is dried in a __________ dryer. Heated cylinder Tunnel Festoon Conveyor Heated cylinder Tunnel Festoon Conveyor 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? 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 Relative humidity of outlet air Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Momentum flux Kinematic viscosity Both Momentum flux & Kinematic viscosity Thermal diffusivity Momentum flux Kinematic viscosity Both Momentum flux & Kinematic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the Specific heat Sensible heat Latent heat Humid heat Specific heat Sensible heat Latent heat Humid heat ANSWER DOWNLOAD EXAMIANS APP
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