This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Desublimation”. 1. If the amount of sublimate per tube is m=2kg Time to reach the maximum thickness of N is t=5h The size of heat exchanger is S=100kg/h Calculate the number of tubes required. a) 100 b) 200 c) 250 d) 300 … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Zone Melting”. 1. Calculate concentration of solvent if Concentration of impurity is Wo=1% Solid liquid equilibrium distribution coefficient is K=0.7 z/l= 0.8 a) 8.3*10-3 b) 4.5*10-4 c) 16.6*10-3 d) 4.15*10-3 2. Calculate concentration of solvent if Concentration of impurity is Wo=2% Solid … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Melt Crystallization”. 1. What is the definition of melt crystallization? a) Crystallization of melts from eutectic-forming or solid solution forming mixtures b) Crystallization of melts from eutectic-forming or liquid solution forming mixtures c) Crystallization of melts from eutectic-forming or constant boiling mixtures … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Precipitation”. 1. Precipitation is opposite of what separation technique? a) Distillation b) Solution crystallization c) Melt crystallization d) Zone melting 2. Precipitation is applicable for what types of solutes? a) Insoluble b) Soluble c) Sparingly soluble d) Both insoluble and soluble 3. … Read more
This set of Separation Processes Questions and Answers for Aptitude test focuses on “The MSMPR Crystallization Model”. 1. In crystallization, solvent should dissolve large amount of solute at: a) Room temperature b) Boiling point c) Freezing point d) Slip melting point 2. Insoluble impurities during crystallization are removed by: a) Decantation b) Filtration c) Distillation … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Rate Based Model for Leaching”. 1. If the density of CuO in ore ρ = 0.05 It is leached with H2SO4 = 0.5M Ore particle have radius r=0.5 Effective diffusivity De= 6*10-6 Molecular weight Mb=79.6 B=0.5 Cab=0.01 Calculate the time required for … Read more
This set of Separation Processes online test focuses on “Equilibrium Stage Model for Leaching and Washing”. 1. If YN+1= 0.0005 XN= 0.001 Y2= 0.01174 YL=XL= 0.05 L/V= 0.2295 Calculate the number of ideal countercurrent washing stages required. a) 2.5 b) 2.6 c) 2.8 d) 2.95 2. If YN+1= 0.0005 XN= 0.001 Y2= 0.01174 YL=XL= 0.05 … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electrophoresis”. 1. Which technique separates charged particles using electric field? a) Hydrolysis b) Electrophoresis c) Protein synthesis d) Protein denaturing 2. Electrophoresis was developed by: a) Tswett b) Tsvedberg c) Tiselius d) Sanger 3. The speed of migration of ions in electric … Read more
This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Ion-Exchange Cycle”. 1. What is the dominant use of ion exchange? a) Water softening with gel resins b) Separation of metals c) Metallurgy d) Extraction of metals 2. If the interstitial velocity is 40 and the length is 40 units what is … Read more
This set of Separation Processes Multiple Choice Questions & Answers focuses on “Continuous Countercurrent Adsorption Systems”. 1. Which of the following is an advantage of using the continuous countercurrent operation? a) Maximizes the average driving force for transport b) Maximizes the efficiency c) Maximizes the cost d) Minimizes the cost 2. What relationship is true … Read more
