Gujarat Technological UniversitySummer 2026 examination

GTU 3170509 Nanoscience and Technology Summer 2026 Question Paper & PDF

B.E. · Chemical Engineering · Semester 7 · Subject code 3170509
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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

Define nanotechnology. List commonly found nanomaterial in nature.

(b)
4 marks

Describe unique properties of 1D, 2D and 3D nanomaterials giving suitable examples of each.

(c)
7 marks

Describe applications of nanotechnology in dyes and coating industries.

Q.2

14 Marks
(a)
3 marks
List the unique properties and applications of quantum dots.
(b)
4 marks

State advantages and disadvantages of top-down and bottom-up methods of synthesis of nanomaterials.

(c)
7 marks

Explain with suitable example the variation in physical and chemical properties of material in nano scale level.

(c)
7 marks

Explain structure, types, properties and applications of carbon nanotubes.

Q.3

14 Marks
(a)
3 marks
Compare CVD and PVD methods of synthesis of nanomaterials.
(b)
4 marks
Briefly explain Photolithography.
(c)
7 marks

Explain with necessary diagrams the synthesis of nanomaterials using Sol gel method.

(a)
3 marks
Differentiate carbon nanotubes from bucky balls.
(b)
4 marks
Briefly explain electron beam lithography.
(c)
7 marks

Explain with necessary diagrams the synthesis of nanomaterials using the chemical vapor deposition.

Q.4

14 Marks
(a)
3 marks

Explain the principle and applications of Fourier Transform Infrared spectroscopy.

(b)
4 marks
Discuss inert gas evaporation technique.
(c)
7 marks

Explain principle, construction and working of transmission electron microscope

(a)
3 marks
Explain the principle and applications of XRD analysis.
(b)
4 marks
Discuss Etching process and its application.
(c)
7 marks

Explain principle, construction and working of Scanning electron microscope.

Q.5

14 Marks
(a)
3 marks

Explain the principle of molecular self assembly of synthesis of nanomaterials.

(b)
4 marks
Explain Beer Lambert law in context with UV-VIS spectroscopy.
(c)
7 marks

Describe the applications of nanomaterials in drug delivery and diagnostics.

(a)
3 marks
Explain Ball milling for synthesis of nano materials.
(b)
4 marks

Explain Stokes-Einstein relation in the context to dynamic light scattering (DLS) method for particle size distribution.

(c)
7 marks

Describe applications of nanomaterials in wastewater treatment and environment.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Nanoscience and Technology (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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