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 Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Surface renewal Film None of these Penetration Surface renewal Film None of these Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Benzene-toluene Ethyl alcohol-water All of these Hydrochloric acid-water Benzene-toluene Ethyl alcohol-water All of these Hydrochloric acid-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called None of these Decoction Percolation Elutriation or elution None of these Decoction Percolation Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.01 > 1 0.1 10-5 to 10-6 0.01 > 1 0.1 10-5 to 10-6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the High pressure operation Small sizes Multicomponent distillation Vacuum distillation High pressure operation Small sizes Multicomponent distillation Vacuum distillation ANSWER DOWNLOAD EXAMIANS APP
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