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Chemical Process Calculation Multiple Choice Questions | MCQs | Quiz

Chemical Process Calculation Interview Questions and Answers
Practice Chemical Process Calculation questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Units System
•   Units Conversion - 1
•   Units Conversion - 2
•   Dimensional Consistency
•   Signifiant Figures
•   Mole & Molecular Weight-1
•   Mole & Molecular Weight-2
•   Mole & Molecular Weight-3
•   Mole & Molecular Weight-4
•   Mole & Molecular Weight-5
•   Mole & Molecular Weight-6
•   Mole & Molecular Weight-7
•   Mole & Molecular Weight-8
•   Basis Selection
•   Density & Specific Gravity-1
•   Density & Specific Gravity-2
•   Density & Specific Gravity-3
•   Concentration - 1
•   Concentration - 2
•   Temperature
•   Pressure & Hydrostatic -1
•   Pressure & Hydrostatic -2
•   Pressure & Hydrostatic -3
•   Flow Rate
•   Material Balances - 1
•   Material Balances - 2
•   Material Balances - 3
•   Material Balances - 4
•   Material Balances - 5
•   Material Balances - 6
•   Material Without Reaction-1
•   Material Without Reaction-2
•   Material Without Reaction-3
•   Material Without Reaction-4
•   Stoichiometry - 1
•   Stoichiometry - 2
•   Stoichiometry - 3
•   Stoichiometry - 4
•   Stoichiometry - 5
•   Stoichiometry - 6
•   Stoichiometry - 7
•   Stoichiometry - 8
•   Reaction Terminology - 1
•   Reaction Terminology - 2
•   Reaction Terminology - 3
•   Reaction Terminology - 4
•   Reaction Terminology - 5
•   Limiting & Reactant-1
•   Limiting & Reactant-2
•   Species Mole Balances-1
•   Species Mole Balances-2
•   Element Material Balances
•   Combustion System - 1
•   Combustion System - 2
•   Primary Concept
•   Multi Unit System - 1
•   Multi Unit System - 2
•   Recycle
•   Bypass & Purge
•   Ideal Gases - 1
•   Ideal Gases - 2
•   Ideal Gases - 3
•   Ideal Gas Mixture
•   Real Gas Mixture
•   Real Gases
•   Phase Diagrams & Rule-1
•   Phase Diagrams & Rule-2
•   Phase Diagrams & Rule-3
•   Saturation
•   Condensation
•   Vaporization
•   Liquid System-1
•   Liquid System-2
•   Energy Terminology-1
•   Energy Terminology-2
•   Energy Terminology-3
•   Energy Terminology-4
•   Heat
•   Work - 1
•   Work - 2
•   Kinetic & Potential Energy
•   Internal Energy
•   Enthalpy - 1
•   Enthalpy - 2
•   Heat Capacity
•   Energy Balance Reaction
•   Chemical Reaction - 1
•   Chemical Reaction - 2
•   Humidity Terminology
•   Psychrometric Chart - 1
•   Psychrometric Chart - 2
•   Freedom Degrees - 1
•   Freedom Degrees - 2
•   Heat Solution & Mixing
•   Mechanical Energy Balance
•   Equilibrium Liquids
•   Process Simulators
•   Energy Conversion
•   Different System Types-1
•   Different System Types-2

Best Reference Books

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Chemical Process Calculation Questions and Answers – Material Balance without Reaction-I

Posted on June 12, 2017 by Manish

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Material Balance without Reaction-I”.

1-2. A membrane is used for separation of gases from waste. If the feed stream contains 20% CO2 and 80% SO2 and the product contains 25% CO2 and 75% SO2. Assume that the waste stream amounts to 80% of the input stream.
1. What is the composition of CO2 in waste stream?
a) 0.1875
b) 1.1685
c) 0.1485
d) 0.1285
View Answer

Answer: a
Explanation: Mole balances for both the gases.
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2. What is the composition of SO2 in waste stream?
a) 0.8175
b) 0.8165
c) 0.8145
d) 0.8125
View Answer

Answer: d
Explanation: Mole balances for both the gases.

3. Below given statements for distillation is
In distillation, a liquid mixture is boiled to produce a vapour of different composition that moves away from the liquid.
a) True
b) False
c) Partially correct
d) None of the mentioned
View Answer

Answer: d
Explanation: In distillation, a liquid mixture is boiled to produce a vapour of different composition that moves away from the liquid.

4-5. In a distillation column for a feed of1000 kg the output is 80% of the feed and remaining 20% is waste. The feed contains 20% of Acetone and rest Water. The product contains 20% of Acetone and 40% of Water.
4. How much Acetone is there in waste?
a) 20 kg
b) 40 kg
c) 60 kg
d) 80 kg
View Answer

Answer: b
Explanation: Mass balance for each component.
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5. Moles of water in waste?
a) 4.45
b) 8.89
c) 16.67
d) 20.48
View Answer

Answer: b
Explanation: Mass balance for each component.

6. Correct statement for a tie component in material balance is
a) Enters a process in only one stream
b) Leaves in only one stream
c) Does not react inside the process
d) All of the mentioned
View Answer

Answer: d
Explanation: A tie component full-fills a, b, c all three conditions.

7-8. For the given drying process, a material (Called SRU) is dried and feed and outputs are as shown in the figure.
chemical-process-calculation-questions-answers-material-balances-without-reaction-i-q7
7. A, in kg is
a) 1666.67
b) 2666.67
c) 3666.67
d) 4666.67
View Answer

Answer: b
Explanation: Mass balance for each component.
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8. B, in kg is
a) 666.67
b) 566.67
c) 466.67
d) 366.67
View Answer

Answer: a
Explanation: Mass balance for each component.

9-10. A batch of 20% of Acetic acid is prepared by mixing the Acetic acid of two containers A and B. A (400 kg) contains 80% of Acetic acidand B contains 15% of Acetic acid.
9. How much kg of acid is prepared?
a) 5700
b) 7600
c) 8000
d) 9800
View Answer

Answer: b
Explanation: Mass balance for each component.

10. How much B in kg is used?
a) 4000
b) 6000
c) 8000
d) 10000
View Answer

Answer: c
Explanation: Mass balance for each component.

Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
To practice all areas of Chemical Process Calculation, here is complete set of 1000+ Multiple Choice Questions and Answers.

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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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