Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Absorption Evaporation Liquid extraction Fractional crystallisation Absorption Evaporation Liquid extraction Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation. Atmospheric High pressure None of these Vacuum Atmospheric High pressure None of these Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2500 1500 2000 1000 2500 1500 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Long tube vertical evaporator Calendria Agitated film evaporator Short tube evaporator Long tube vertical evaporator Calendria Agitated film evaporator Short tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 ANSWER DOWNLOAD EXAMIANS APP