Explore topic-wise MCQs in Chemical Reaction Engineering.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Reaction Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

For a constant volume system, the size of batch reactor is _______________ PFR.

A. smaller than
B. larger than
C. same as
D. cannot be compared
Answer» D. cannot be compared
Discussion
2.

Replace the existing MFR with a PFR and calculate the new conversion if a homogeneous liquid phase reaction with reaction kinetics as follows.
A R

A. n-r<sub>A</sub> = kC<sub>A</sub><sup>2</sup> with 30% conversion
B. 0.65
C. 0.43
D. 0.38
E. 0.92
Answer» D. 0.38
Discussion
3.

An existing MFR is to be replaced by the one 4 times larger than it. Find the new conversion if a homogeneous liquid phase reaction with reaction kinetics as follows.
A R

A. n-r<sub>A</sub> = kC<sub>A</sub><sup>2</sup> with 30% conversion.
B. 0.67
C. 0.45
D. 0.53
E. 0.92
Answer» D. 0.53
Discussion
4.

Find the volume of reactor needed for 70% conversion of A to product. Aqueous feed of A and B (200lit/min, 20mmolA/lit, 50mmolB/lit) is fed to MFR. Reaction kinetics is as follows
A+B P

A. n-r<sub>A</sub> = 200C<sub>A</sub>C<sub>B</sub> mol/lit-min
B. 12.5
C. 3.6
D. 6.4
E. 1.5
Answer» D. 6.4
Discussion