Q.1
14 Marks(a)
List various contacting patterns in two-phase chemical reactions.
(b)
Explain kinetic regime instantaneous reaction with respect to mass transfer.
(c)
Explain C, E and F curves and relation between them.
Gujarat Technological UniversitySummer 2026 examination
GTU 2170501 Chemical Reaction Engineering - II Summer 2026 Question Paper & PDF
B.E. · Chemical Engineering · Semester 7 · Subject code 2170501
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
Define mean residence time.
(b)
Explain variance and axial dispersion.
(c)
Explain Langmuir–Hinshelwood–Hougen–Watson (LHHW) model for solid catalyzed gas phase reaction.
OR
(c)
Explain pore diffusion resistance and surface kinetics for solid catalyzed reactions.
Q.3
14 Marks(a)
Define Enhancement factor for fluid-fluid reactions.
(b)
Explain kinetic steps involved in burning of coal as a heterogeneous reaction.
(c)
Explain the Shrinking core model (SCM).
OR
(a)
Define Hatta modulus.
(b)
Explain overall rate expression for a linear heterogeneous chemical reaction.
(c)
Explain spherical particle (unchanging size) Model when ash layer diffusion controls.
Q.4
14 Marks(a)
Explain the significance of Hatta Modulus.
(b)
Explain dispersion model.
(c)
Explain physical properties of catalyst.
OR
(a)
Explain the rate expression for infinitely slow reaction.
(b)
Explain tank in series model.
(c)
Explain classification of catalysts.
Q.5
14 Marks(a)
Define catalyst and catalyst promotors.
(b)
Explain any one method of preparation of catalysts.
(c)
Explain Packed bed catalytic reactors.
OR
(a)
Define catalyst poisons and catalyst inhibitors.
(b)
Explain nature of catalytic reactions.
(c)
Explain fluidized bed reactors.
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Other Semester 7 subjects
BE Chemical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Chemical Reaction Engineering - II (Summer 2026, B.E. · Chemical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.