Chemical Reaction Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Reaction Engineering, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Reaction Engineering MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Reaction Engineering mcq questions that explore various aspects of Chemical Reaction Engineering problems. Each MCQ is crafted to challenge your understanding of Chemical Reaction Engineering principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Reaction Engineering MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Reaction Engineering. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Reaction Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Reaction Engineering MCQs | Page 15 of 50

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Q141.
A stirred tank reactor compared to tubular-flow reactor provides

a.

more uniform operating conditions.

b.

permits operation at the optimum temperature for a long reaction time.

c.

higher overall selectivity for a first order consecutive reaction.

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q142.
A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

a.

0.33

b.

0.5

c.

1

d.

data insufficient, can't be predicted

Discuss
Answer: (c).1
Q143.
Rate of an autocatalytic chemical reaction is a function of

a.

temperature only.

b.

pressure only.

c.

composition only.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q144.
Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure ?

a.

Langmuir adsorption isotherm

b.

Adsorption isobar

c.

Freundlich adsorption isotherm

d.

None of these

Discuss
Answer: (b).Adsorption isobar
Q145.
The reason why a catalyst increases the rate of reaction is that, it

a.

decreases the energy barrier for reaction.

b.

increases the activation energy.

c.

decreases the molecular collision diameter.

d.

none of these.

Discuss
Answer: (a).decreases the energy barrier for reaction.
Q146.
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

a.

both conversion as well as concentration are same

b.

conversion in both will be the same but concentrations will be different

c.

both the conversion as well as concentrations will be different

d.

none of these.

Discuss
Answer: (b).conversion in both will be the same but concentrations will be different
Q147.
Which of the following is the most suitable for very high pressure gas phase reaction ?

a.

Batch reactor

b.

Tubular flow reactor

c.

Stirred tank reactor

d.

Fluidised bed reactor

Discuss
Answer: (b).Tubular flow reactor
Q148.
The reaction between oxygen and organic material is a/an __________ reaction.

a.

exothermic

b.

endothermic

c.

biochemical

d.

photochemical

Discuss
Answer: (a).exothermic
Q149.
With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction

a.

decreases

b.

increases

c.

remains unaffected

d.

increases linearly with temperature

Discuss
Answer: (a).decreases
Q150.
In an exothermic chemical reaction, the reactants compared to the products have

a.

higher temperature

b.

more energy

c.

less energy

d.

same energy.

Discuss
Answer: (b).more energy
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