Mass Transfer Leaching of coffee from coffee beans is done by Lime water Hexane Hot water Dilute H₂SO₄ (hot) Lime water Hexane Hot water Dilute H₂SO₄ (hot) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the Decreased viscosity of liquid None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Increased diffusivity Decreased viscosity of liquid None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Sherwood number Schmidt number Lewis number Prandtl number Sherwood number Schmidt number Lewis number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of uranium ore and gold ore is done in Centrifugal extractor None of these Pachuka tanks Bollman extractor Centrifugal extractor None of these Pachuka tanks Bollman extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Neither A nor B Wet bulb Both A & B Dew point Neither A nor B Wet bulb Both A & B Dew point ANSWER DOWNLOAD EXAMIANS APP