Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Size Durability Cost Porosity Size Durability Cost Porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 2.5 to 3 3 to 4 5 1.2 to 1.5 2.5 to 3 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Minimum number of the theoretical plates is required Separation is most efficient Number of plates is infinity Number of plates is zero Minimum number of the theoretical plates is required Separation is most efficient Number of plates is infinity Number of plates is zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wetted wall tower experiment determines the Volumetric co-efficient None of these Molal diffusivity Mass transfer co-efficient Volumetric co-efficient None of these Molal diffusivity Mass transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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