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 42 of 50

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Q411.
The decomposition of A into B is represented by the exothermic reaction, A โ†” 2B. To achieve maximum decomposition, it is desirable to carry out the reaction.

a.

at high P and high T.

b.

at low P and high T.

c.

at low P and low T.

d.

at high P and low T.

Discuss
Answer: (c).at low P and low T.
Q412.
The catalytic converter for conversion of SOโ‚‚ to SOโ‚ƒ by contact process should have a feed with SOโ‚‚ content between

a.

2-5%

b.

7-10%

c.

12-15%

d.

20-25%

Discuss
Answer: (b).7-10%
Q413.
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Eโ‚ is equal to

a.

the intrinsic activation energy E.

b.

(E + Eแด…) where Eแด… is activation due to diffusion.

c.

(E + Eแด…)/2

d.

Eแด…/2

Discuss
Answer: (d).Eแด…/2
Q414.
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

a.

a ferment or an enzyme

b.

haemoglobin

c.

fungi

d.

none of these

Discuss
Answer: (c).fungi
Q415.
Pick out the wrong statement.

a.

A particular chemical reaction is more temperature sensitive at low temperatures.

b.

A very high value of equilibrium constant, K (K >> 1) indicates that the reaction is practically irreversible in nature.

c.

The intercept of the Arrhenious plot is called the 'activation energy'.

d.

Non-ideal flow takes place in reactors due to recycling, channeling or by creation of stagnant regions.

Discuss
Answer: (c).The intercept of the Arrhenious plot is called the 'activation energy'.
Q416.
The first order gas phase reaction given below, is conducted isothermally in batch mode. The rate of change of conversion with time is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q417.
The rate of a following autocatalytic reaction, is given by -rแด€ = k . Cแด€ . Cส™. In this case, the

a.

plot of - rแด€ Vs Cแด€ is a straight line with slope k.

b.

plot of - rแด€ Vs Cแด€ is a hyperbola.

c.

rate of disappearance of reactant A is maximum, where Cแด€ = Cส™

d.

both 'b' & 'c'

Discuss
Answer: (d).both 'b' & 'c'
Q418.
For the reaction given below, the rate of formation of Z is 0.2 gm mole/litre.hr. what is the rate of disappearance of X in gm mole/litre. hr ?

a.

0.4

b.

0.1

c.

0.2

d.

none of these

Discuss
Answer: (a).0.4
Q419.
Which of the following is not a dimension-less group used in catalysis ?
(where, D = dispersion co-efficient, cm² /sec.
D1 = diffusion co-efficient; cm²/sec.
L = length of the reactor, cm.
t = time, sec.
v = volumetric flow rate, cm³/sec .
V = volume, cm³.)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q420.
Volume change for unimolecular type first order reaction given below, increases __________ with time.

a.

linearly

b.

exponentially

c.

parabolically

d.

logarithmically

Discuss
Answer: (b).exponentially
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