This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Extractive Distillation Terminology “. 1. Extractive distillation of ethanol and water is done using? a) Benzene b) Ethylene glycol c) Alcohol d) Any acid 2. Acetone and methanol form a binary minimum-boiling azeotrope, of about? a) 75.8% acetone b) 80% acetone c) … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Extractive Distillation”. 1. The crucial difference compared to homozeotrope distillation is that, a heteroazeotrope can be separated by? a) Decantation b) Depurification c) Dehydration d) Decansing 2. Which of the following equations are satisfied at azeotropic conditions? a) Av(v) + Al(v) = … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Azeotropic Elements”. 1. The azeotrope in the ethanol–water binary system has a composition of ____ ethanol. a) 89% b) 59% c) 88% d) 99% 2. PSD is called? a) Pressure Straight Desorption b) Pressure Swing Distillation c) Pressure Singer Desorption d) Parameter … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Azeotropic Distillation “. 1. An azeotrope occurs, when there is same _______ a) Bubble Point b) Boiling Point c) VLE Composition d) Pressure Equilibrium 2. A minimum-boiling azeotrope can be formed by? a) Azeotrope entrainer b) Any chemical c) Water d) Benzene … Read more
This set of Basic Distillation Design Questions and Answers focuses on “Packing Material – Random Packing”. 1. A layer of packing above the liquid distributor is called? a) Dry packing b) Wet packing c) Can packing d) Trump packing 2. The Eckert chart contains a parameter FP which is called? a) Pushing factor b) Possibility … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Types of Random Packing”. 1. Pressure drops per theoretical stage of Mellapak packing’s are? a) 1.0 to 2.1 mbar b) 0.3 to 1.0 mbar c) 2.3 to 1.2 mbar d) 5.6 to 7.3 mbar 2. Gauze packing’s have an F-factor of? a) … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on ” Packing Types and Objectives”. 1. Flooding, frothing, entrainment are the three main phenomena limiting the tray capacity. a) True b) False 2. The flow of vapor liquid in the same direction is defined as? a) Dual flo b) Co-flo c) Comer … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Tray Flooding Mechanism”. 1. The expansion of liquid due to passage of vapor or gas is referred as? a) Weeping b) Drying c) Cramping d) Foaming 2. H/D Ratio, for a random packed bed is limited to a) 9 b) 10 c) … Read more
This set of Distillation Design Questions and Answers for Experienced people focuses on “Definition of Tray Area, Vapour Load and Liquid Load”. 1. The allowable vapor pressure velocity, is taken to be a) 60 to 80% b) 50 to 60% c) 10 to 20% d) 30 to 40% 2. The hole diameter lies between? a) … Read more
This set of Distillation Design Multiple Choice Questions & Answers (MCQs) focuses on “Tray Capacity Limits”. 1. When the liquid becomes dispersed and gas becomes continuous, such process is called? a) Spray regime b) Emulsion regime c) Pray Regime d) Camp regime 2. The performance diagram is drawn between? a) Entrainment and Velocity b) Gas … Read more
