Gujarat Technological UniversitySummer 2026 examination

GTU 3170511 Transport Phenomena Summer 2026 Question Paper & PDF

B.E. · Chemical Engineering · Semester 7 · Subject code 3170511
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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.1

14 Marks
(a)
3 marks
Compare momentum, heat and mass transport process
(b)
4 marks

Apply shell momentum balance for steady flow, and write necessary boundary conditions used to solve the same.

(c)
7 marks

Determine the mass flow rate expression for a flow through circular pipe.

Q.2

14 Marks
(a)
3 marks

Show that tensor τ is antisymmetric, Where, 𝝉 = −𝜹1𝜹2 + 3𝜹1𝜹3 + 𝜹2𝜹1 + 5𝜹2𝜹3 − 3𝜹3𝜹1 − 5𝜹3𝜹2.

(b)
4 marks

Show that for tensor τ and vector v, 𝝉 × 𝒗 = ∑ ∑ 𝜹𝑖𝜹𝑙 𝑙 𝑖 {∑ ∑ 𝜀𝑗𝑘𝑙𝜏𝑖𝑗 𝑘 𝑗 𝑣𝑘}

(c)
7 marks

Estimate the viscosity of the following gas mixture at 1 atm and 293K from the given data on the pure components at the same pressure and temperature Species α Mole fraction, xα Molecular Weight, Mα Viscosity, μα (g/cm·s)

1CO2 0.133 44.01 1462×10⁻⁷
2O2 0.039 32 2031×10⁻⁷
3N2 0.828 28.02 1754×10⁻⁷
(c)
7 marks

Estimate the thermal conductivity of the following gas mixture at 1 atm and 293K from the given data on the pure components at the same pressure and temperature. Species α Mole fraction, xα Molecular Weight, Mα Viscosity, μα×107 (g/cm·s) kα×107 (cal/cm·s·K)

1CO2 0.133 44.01 1462 383
2O2 0.039 32 2031 612
3N2 0.828 28.016 1754 627

Q.3

14 Marks
(a)
3 marks

Explain law of conservation of mass for two colliding homo- nuclear diatomic molecules.

(b)
4 marks
Compare free convection and forced convection heat transfer
(c)
7 marks

Derive velocity profile and mass flow rate for flow of a falling film formed by a Newtonian, incompressible fluid.

(a)
3 marks

Explain law of conservation of momentum for two colliding homo-nuclear diatomic molecules.

(b)
4 marks

Discuss different boundary conditions used for solving shell energy balance.

(c)
7 marks

Derive an expression for effectiveness of cooling fin of length L, Width W, and thickness 2B, where B<

Q.4

14 Marks
(a)
3 marks
Explain the Newton’s law of viscosity.
(b)
4 marks

Explain law of conservation of angular momentum for two colliding homo-nuclear diatomic molecules.

(c)
7 marks

Develop the equation of motion in Cartesian coordinates with neat diagram and necessary assumptions.

(a)
3 marks
Explain the Fourier’s law of heat conduction.
(b)
4 marks

Explain law of conservation of energy for two colliding homo- nuclear diatomic molecules.

(c)
7 marks

Develop the Navier-Stoke’s equation in Cartesian coordinate with neat diagram and necessary assumptions

Q.5

14 Marks
(a)
3 marks
Explain the Fick’s law of binary diffusion.
(b)
4 marks
Explain temperature and pressure dependency of diffusivity.
(c)
7 marks

Derive the relation of molar flux for diffusion Through a Stagnant Gas Film.

(a)
3 marks

Explain Mass and Molar Concentrations, Mass Average and Molar Average Velocities, Molecular Mass and Molar Fluxes.

(b)
4 marks

Write the general shell mass balance equation and necessary assumptions for solving the mass transport problems.

(c)
7 marks

With neat diagram derive an equation of molar flux for the diffusion with heterogeneous chemical reaction as 2A A2

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About this paper

Official Gujarat Technological University (GTU) examination paper for Transport Phenomena (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.

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