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Separation Processes Multiple Choice Questions | MCQs | Quiz

Separation Processes Interview Questions and Answers
Practice Separation Processes questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Chemical Processes
•   Separation Techniques
•   Phase Additions
•   Solid Agents & Barriers
•   External Field & Gradient
•   Bioseparations
•   Feasible Separations
•   Energy & Entropy
•   Phase Equilibria
•   Ideal Gas Solution Model
•   Thermodynamic Properties
•   Nonideal Property Models
•   Liquid Activity Models
•   Difficult Mixtures
•   Molecular Diffusion
•   Steady & Unsteady State
•   Laminar Flow
•   Turbulent Flow
•   Two Film Theory
•   Binary Vapor Liquid System
•   Multicomponent Flash
•   Solid Liquid Systems
•   Gas Liquid Systems
•   Multiphase Systems
•   Cascade Configurations
•   Solid Liquid Cascades
•   Algebraic Methods
•   Trayed Columns
•   Rate Based Method
•   McCabe Thiele Method
•   Packed Distillation Columns
•   Solvent Extraction - 1
•   Solvent Extraction - 2
•   Hunter Nash Equilibrium
•   Maloney Schubart Method
•   Bioproducts Extractions
•   FUG Method
•   Kremser Group Method
•   Newton Raphson Method
•   Extractive Distillation
•   Salt Distillation
•   Pressure Swing Distillation
•   Homogeneous Distillation
•   Heterogeneous Distillation
•   Reactive Distillation
•   Differential Distillation
•   Binary Batch Distillation
•   Membrane Materials - 1
•   Membrane Materials - 2
•   Membranes Separation - 1
•   Membranes Separation - 2
•   Dialysis
•   Electrodialysis
•   Reverse Osmosis
•   Pervaporation
•   Membrane Modules
•   Binary Azeotropic Mixtures
•   Slurry & Fixed Bed
•   Countercurrent Systems
•   Ion-Exchange Cycle
•   Electrophoresis
•   Leaching & Washing
•   Rate Based Model
•   MSMPR Crystallization
•   Precipitation
•   Melt Crystallization
•   Zone Melting
•   Desublimation
•   Evaporation
•   Bioproduct Crystallization
•   Batch Crsytallization
•   Crsytallization Equipmemnt
•   Drying Equipments - 1
•   Drying Equipments - 2
•   Psychrometry - 1
•   Psychrometry - 2
•   Solids Moisture Content
•   Dryer Models
•   Byproducts Drying
•   Humidification
•   Indirect Heat Batch
•   Air Drying Systems
•   Pressure Gradients
•   Centrifuge Devices
•   Mechanical Separations
•   Commercial Adsorbents

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Separation Processes Questions and Answers – Separations by External Field or Gradient

Posted on June 23, 2017 by Manish

This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Separations by External Field or Gradient”.

1. How is the separation of uranium isotopes carried out?
a) Centrifugation
b) Electrodialysis
c) Electrophoresis
d) Thermal diffusion
View Answer

Answer: a
Explanation: Centrifugation helps separation of isotopes based on molecular weights.
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2. How is the separation of chlorine isotopes carried out?
a) Centrifugation
b) Electrodialysis
c) Electrophoresis
d) Thermal diffusion
View Answer

Answer: d
Explanation: Thermal diffusion helps in the separation of chlorine isotopes.

3. Which separation technique is used to concentrate heavy water?
a) Centrifugation
b) Electrodialysis
c) Electrolysis
d) Thermal diffusion
View Answer

Answer: c
Explanation: Electrolysis is the technique used to concentrate heavy water.

4. Which separation technique is used for desalinization of sea water?
a) Centrifugation
b) Electrodialysis
c) Electrophoresis
d) Thermal diffusion
View Answer

Answer: b
Explanation: Electrodialysis is used in desalinization of sea water.

5. How are hemicelluloses recovered?
a) Centrifugation
b) Electrophoresis
c) Electrolysis
d) Thermal diffusion
View Answer

Answer: b
Explanation: Electrophoresis is used in recovering of hemicelluloses.
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6. What field is applied in fled-flow fractionation?
a) Thermal gradient
b) Centrifugal force field
c) Perpendicular electric or magnetic field
d) Parallel electric or magnetic field
View Answer

Answer: c
Explanation: A perpendicular electric or magnetic field is applied to the laminar flow.

7. What do the cation and anion permeable membrane do in electro-dialysis?
a) Disallows migration of species of same charge
b) Facilitates the migration of species of same charge
c) Separates the protons and electrons
d) Removes the ions
View Answer

Answer: a
Explanation: A cation or anion membrane carries a fixed charge that prevents the migration of species of same charge.

8. What happens when a temperature gradient is applied?
a) Components flow at different rates
b) Charged components migrate to opposite sides
c) The high melting component melts
d) Concentration gradient is formed
View Answer

Answer: d
Explanation: A concentration gradient is formed due to temperature that gives the separation using thermal diffusion.

9. What is the role of centrifugal force field?
a) Establishes a magnetic field
b) Establishes a pressure filed
c) Establishes an electric field
d) Settles down the heavier particles
View Answer

Answer: b
Explanation: The centrifugal filed establishes a pressure field that separates fluid mixtures according to molecular weights.

10. Why is an external field or gradient applied?
a) To increase the speed of separation
b) To start the separation
c) To decrease the byproducts
d) To obtain maximum efficiency
View Answer

Answer: b
Explanation: The external field is not employed to increase efficiency or speed but it is the driving force in the separation.
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Sanfoundry Global Education & Learning Series – Separation Processes.

To practice all areas of Separation Processes, here is complete set of 1000+ Multiple Choice Questions and Answers.

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Separation Processes Questions and Answers – Introduction to Bioseparations »
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Manish Bhojasia
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Facebook | Twitter

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