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 Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable Increases the scale forming tendencies of water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T² T³ √T T T² T³ √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these Absorption of NH₃ from air by water All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these Absorption of NH₃ from air by water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Short tube Falling film Long tube Vacuum Short tube Falling film Long tube Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Remain same Data insufficient, can't be predicted Increase Decrease Remain same Data insufficient, can't be predicted Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS