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Chemical Engineering and Technology : Chemistry
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Practice Test
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Question 1 of 32
What is the primary function of a chemical reactor?
Choose 1 answer
Mixing chemicals
Changing phase
Facilitating chemical reactions
Separating compounds
Question 2 of 32
Which process is used to separate mixtures based on boiling points?
Choose 1 answer
Filtration
Distillation
Chromatography
Centrifugation
Question 3 of 32
What does the term 'unit operation' refer to in chemical engineering?
Choose 1 answer
A chemical reaction
A step in a chemical process
A type of chemical compound
A chemical plant
Question 4 of 32
Which material is commonly used in catalytic converters to reduce vehicle emissions?
Choose 1 answer
Platinum
Copper
Aluminum
Iron
Question 5 of 32
In chemical engineering, what is the purpose of a heat exchanger?
Choose 1 answer
To mix chemicals
To transfer heat between fluids
To separate particles
To store chemicals
Question 6 of 32
What is the primary purpose of a distillation column?
Choose 1 answer
To mix liquids
To separate components based on boiling points
To heat fluids
To dissolve solids
Question 7 of 32
Which of the following is an example of a unit operation?
Choose 1 answer
Reactor
Catalyst
Solvent
Product
Question 8 of 32
What is the main function of a centrifuge in chemical engineering?
Choose 1 answer
To mix chemicals
To heat substances
To separate particles based on density
To measure chemical reactions
Question 9 of 32
Which chemical process is used to convert crude oil into various useful products?
Choose 1 answer
Hydrocracking
Electrolysis
Fermentation
Sublimation
Question 10 of 32
What does the term 'fluid dynamics' refer to in chemical engineering?
Choose 1 answer
Study of chemical reactions
Study of fluid flow and its properties
Study of heat transfer
Study of materials science
Question 11 of 32
Which process is commonly used for purifying water?
Choose 1 answer
Distillation
Chromatography
Electroplating
Filtration
Question 12 of 32
In chemical engineering, what does the term 'reaction kinetics' study?
Choose 1 answer
The rate of chemical reactions
The separation of mixtures
The heat transfer in reactions
The properties of catalysts
Question 13 of 32
What is the primary role of a chemical engineer in the pharmaceutical industry?
Choose 1 answer
Designing new drugs
Developing manufacturing processes
Testing drug efficacy
Marketing drugs
Question 14 of 32
Which of the following is a common use of polymers in chemical engineering?
Choose 1 answer
Manufacturing textiles
Purifying gases
Separating liquids
Conducting electricity
Question 15 of 32
What is the primary function of a chemical plant's control system?
Choose 1 answer
To increase production speed
To monitor and control the production process
To improve product quality
To reduce energy consumption
Question 16 of 32
Which process involves the breaking down of large hydrocarbons into smaller ones using heat and pressure?
Choose 1 answer
Cracking
Sublimation
Electrolysis
Fermentation
Question 17 of 32
What is the main purpose of a pump in a chemical processing plant?
Choose 1 answer
To heat substances
To mix chemicals
To transport fluids
To separate mixtures
Question 18 of 32
In chemical engineering, what is a 'phase diagram' used for?
Choose 1 answer
To describe chemical reactions
To show the different phases of a substance at varying conditions
To calculate reaction rates
To measure fluid flow
Question 19 of 32
Which material is known for its high thermal conductivity and is used in heat exchangers?
Choose 1 answer
Copper
Plastic
Glass
Wood
Question 20 of 32
What does 'process optimization' aim to achieve in chemical engineering?
Choose 1 answer
Increase production capacity
Reduce production costs
Improve safety
All of the above
Question 21 of 32
Which type of reactor is commonly used for continuous production processes?
Choose 1 answer
Batch reactor
CSTR (Continuous Stirred Tank Reactor)
PFR (Plug Flow Reactor)
Fluidized bed reactor
Question 22 of 32
What is the principle behind 'chromatography'?
Choose 1 answer
Separation based on boiling points
Separation based on density
Separation based on affinity to a stationary phase
Separation based on solubility
Question 23 of 32
Which chemical engineering principle is used to design and operate large-scale reactors?
Choose 1 answer
Heat transfer
Mass transfer
Fluid dynamics
Reaction kinetics
Question 24 of 32
What is the function of a 'scrubber' in industrial processes?
Choose 1 answer
To clean gases
To mix chemicals
To heat fluids
To separate solids from liquids
Question 25 of 32
Which of the following is a common method for removing dissolved salts from seawater?
Choose 1 answer
Distillation
Filtration
Centrifugation
Chromatography
Question 26 of 32
What is the primary purpose of 'reaction engineering' in chemical engineering?
Choose 1 answer
Design and control of chemical reactors
Purification of chemical compounds
Heat transfer in chemical processes
Fluid flow management
Question 27 of 32
Which technology is used for producing hydrogen from water?
Choose 1 answer
Electrolysis
Cracking
Hydrocracking
Fermentation
Question 28 of 32
In chemical engineering, what does 'process scaling up' refer to?
Choose 1 answer
Increasing the size of laboratory experiments to industrial scale
Reducing the size of production equipment
Optimizing laboratory processes
Increasing chemical reaction rates
Question 29 of 32
What is the main purpose of a 'separator' in a chemical processing plant?
Choose 1 answer
To mix chemicals
To separate different phases or components
To heat fluids
To store products
Question 30 of 32
Which material is often used as a catalyst in the Haber process for ammonia synthesis?
Choose 1 answer
Iron
Nickel
Platinum
Copper
Question 31 of 32
What type of chemical process is 'fermentation'?
Choose 1 answer
Physical process
Chemical reaction involving microorganisms
Chemical reaction with heat
Physical separation process
Question 32 of 32
Which technique is used to measure the concentration of a solute in a solution?
Choose 1 answer
Spectroscopy
Filtration
Distillation
Centrifugation
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