Gujarat Technological UniversitySummer 2025 examination

GTU 3130502 Fluid Flow Operations Summer 2025 Question Paper & PDF

B.E. · Chemical Engineering · Semester 3 · Subject code 3130502
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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
(
i)specific gravity of a fluid and also mention its importance.
ii)Define vena – contracta.
iii)Define cavitation in centrifugal pump.
(b)
4 marks
Show that PX = PY = PZ at a point within the static fluid.
(c)
7 marks
Derive an expression for head loss due to sudden expansion in flow area.

Q.2

14 Marks
(a)
3 marks
Explain effect of roughness.
(b)
4 marks

Explain in detail the behavior of Newtonian and non Newtonian fluid with suitable example.

(c)
7 marks

Define skin friction and form friction. Write down Bernoulli equation without friction and explain the correction of Bernoulli equation for fluid friction.

(c)
7 marks

Discuss the concept of hydrostatic equilibrium and derive mathematical condition of hydrostatic equilibrium.

Q.3

14 Marks
(a)
3 marks
Discuss in brief separation of boundary layers in diverging channel.
(b)
4 marks
Explain construction and working of a gate valve.
(c)
7 marks
Explain in detail about isentropic flow of compressible fluid through nozzle.
(a)
3 marks
Write significance of Mach number and acoustic velocity.
(b)
4 marks
Explain the concept of isothermal friction flow with diagram.
(c)
7 marks
Define NPSH. And also derive the equation of NPSH

Q.4

14 Marks
(a)
3 marks
What do you mean by subsonic, sonic and supersonic flows?
(b)
4 marks
Explain differences between fan, blower and compressor.
(c)
7 marks

Discuss with clear diagram construction and working of continuous gravity decanter. Derive equation for the height of the heavy liquid outlet above vessel bottom.

(a)
3 marks
Define friction and write short note on friction factor chart.
(b)
4 marks
Explain in brief drag and drag coefficient.
(c)
7 marks

What is hydraulically smooth pipe and also explain the importance of roughness parameter.

Q.5

14 Marks
(a)
3 marks
Give barometric equation with nomenclature.
(b)
4 marks

Explain asterisk condition and stagnation condition. Derive the expression for Stagnation temperature.

(c)
7 marks

Explain fully developed flow. Also discuss concept of transition length for laminar and turbulent flow.

(a)
3 marks
Write the significance of Mach number and acoustic velocity.
(b)
4 marks
Explain the Rayleigh method for dimensional analysis.
(c)
7 marks
With neat sketch, explain the principle and working of rotameter.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Fluid Flow Operations (Summer 2025, B.E. · Chemical Engineering, Sem 3). 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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