S. N. P.
Institute Of Technology & Research Centre, Umrakh
Question Bank (List of Solved Questions)
Mechanical Engineering Department
Subject Name: Nanotechnology and surface engineering (3171931)
CHAPTER 1: Basic Elements of Nano-Science and Nanotechnology
CO 1: To comprehend basics of nano-science and technology and their applications in the
domain of engineering
1. Who discovered the word nanotechnology? Describe history of nanotechnology with
example. (S23,
2. What is Nanotechnology? Justify the importance of nano science in present and discuss
the challenges in applicability of nano technology. (W22,
3. Nanotechnology Applications: Areas where nanotechnology is used (W22
4. The Nanoscale - How Small is Nano? (W21
5. Novel Nanotechnology Materials and Applications (W22, S22, S23
6. What are Nanomaterials? Describe Top-down and Bottom up approach (W22, S23, S22)
7. What are Nanoparticles, Explain its Types, Synthesis, Properties and Uses (W21, W22,
S22
8. Define the Nano-coatings and its applications (W22, W21, S23
CHAPTER 2: Nanotechnology and Ceramics
CO 2: To impart fundamental knowledge of various methods used in the field of
nanotechnology
9. What do you mean by nano sensors? Explain Nano-sensors based on nanowires,
nanofibers and carbon nanotubes (W21, S23
10. Explain application of nano-sensor (W21
11. What is Chemical vapour deposition (CVD). Explain in brief. (S22, S23
12. What is Physical vapour deposition (PVD). (S22
13. Explain in brief Spray pyrolysis (W22, S23
CHAPTER 3: Tool to characterize nanomaterial
CO 3: To impart basics of various characterization tools/methods in the field of
Nano-Technology.
14. Enlist different tools used in characterization of nanomaterials. (W22,
15. Illustrate with diagram of Atomic Force Microscopy (AFM) (W21, W22, S22, S23
16. Write down UV-Visible spectrophotometer with principle. (S22,
17. Discuss in brief about X-ray Diffraction (XRD) (W21, W22, S22, S23)
18. Discuss in brief about Scanning electron microscopy (SEM) (W21, W22, S22, S23)
19. Explain in details Transmission Electron Microscopy (TEM) (W21, W22, S23
20. Briefly explain laser ablation method with sketch. (S23,
S. N. P. Institute Of Technology & Research Centre, Umrakh
Question Bank (List of Solved Questions)
Mechanical Engineering Department
Subject Name: Nanotechnology and surface engineering (3171931)
CHAPTER 4: Surface engineering
CO 4: Explain the effect of process parameters on the properties & microstructure of the
surface coating processes.
1. Explain surface engineering and its application. (W21, W22, S23)
2. What is the purpose and scope of surface engineering?
3. Explain the scope of surface engineering with example. (W21)
4. Classify surface engineering in detail
5. Explain: (1) Blasting through propelling wheel (2) Pressure blasting
6. Explain Wet Blasting.
7. Explain sand Blasting (W21, W22, S23
8. Explain following: (1) shot blasting (2) Shot peening (3) hydro blasting (W21, S22,
W22, S23)
9. Explain with neat sketch vapour degreasing process. (W21, W22)
10. Explain Electrochemical Cleaning. (S23
11. Explain coating and its importance. (S22)
12. State and explain the different coating defects. (W22, S22)
13. Explain importance of coating. (S22)
14. Compare the Aluminium coating and Cadmium plating. (W22, S22)
15. Explain Anodising. (S22)
16. Explain different types of coating and its application. (S22)
CHAPTER 5: Different method for surface modification
CO 4: Explain the effect of process parameters on the properties & microstructure of the
surface coating processes.
1. Classify different surface modification processes (W21, S22, W22,)
2. What is surface modification and explain its importance (W21, S23
3. Briefly explain electron beam lithography. (W22, S23
4. What is Sputtering? Enlists its different modification. (S22, S23
5. Explain Ion Beam Implantation.(S22, S23)
6. Discuss the application of surface treatment with laser beam. (W22, S22)
7. Explain Friction Stir Processing. How this process can be used for surface modification.
(W21, S22, W22)
8. Explain the importance and formation of surface composites. (W22
9. Explain Plasma Nitriding/ion nitriding. (S22)
CHAPTER 6: Case studies based on coatings and surface modification of
important engineering components.
CO 5: Understand the importance & role of surface modifications to achieve several
technological properties.
1. Explain various types of nano coatings and its applications.(W22,
2. Discuss a case study for the application of ceramic coating.
3. What are different properties that can be obtained through nano-coating? State their
applications.
4. Discuss the application of Nano-Coating on the blades of gas turbines and aircraft
engines.
S. N. P. Institute Of Technology & Research Centre, Umrakh
Question Bank (List of Unsolved Questions)
Mechanical Engineering Department
Subject Name: Nanotechnology and surface engineering (3171931)
CHAPTER 1: Basic Elements of Nano-Science and Nanotechnology
CO 1: To comprehend basics of nano-science and technology and their applications in the
domain of engineering
1. What is nanotechnology and nanoscience?
2. Briefly explain different classes of nano materials. (W21, W22, S22
3. What are zero-, one-, two-, and three-dimensional nanomaterials?
4. What are nanomaterials?
5. What are synthetic nanoparticles?
6. What is the impact of nanoscience and nanotechnology on society?
7. What is the importance of nano-science and nanotechnology?
8. How would you describe nanotechnology?
9. What is the advantage and disadvantage of nanotechnology?
10. How is nanotechnology used in everyday life?
11. What are the different uses of nanotechnology?
12. What are nanoparticles give an example?
13. What industries use nanotechnology?
14. How medical field is affected by nanotechnology?
CHAPTER 2: Nanotechnology and Ceramics
CO 2: To impart fundamental knowledge of various methods used in the field of
nanotechnology
1. Classify synthesis of Nano-particles. (W21)
2. Explain Gas phase processes (aerosol processes).
3. Explain in details Droplet formation containing particles
4. Explain in details Liquid phase processes.
5. Explain in details Precipitation processes.
6. Briefly explain vapor condensation methods. (W22, S22, W21
7. Explain in details Sol-gel processes. (S23,
8. Explain in details Laser method. (W22,
9. Explain in details flame decomposition of metal organic precursors method. (W21)
CHAPTER 3: Tool to characterize nanomaterial
CO 3: To impart basics of various characterization tools/methods in the field of
Nano-Technology.
1. Enlist different tools used in characterization of nanomaterials.(S22
2. Discuss in brief about Scanning Tunnelling Microscope (STM)
3. Discuss Classification of Nanostructured Materials with examples.
4. Explain in details about Bottom-Up Approaches and Top-Down Approaches
5. How to define Topography and morphology in SEM analysis
6. Explain in details Bragg’s law. (W22, S22
7. Explain UV visible spectroscopy in detail. (W22, S22
8. Compare laser method and spray pyrolysis. (S22
CHAPTER 4: Surface Engineering
CO 4: Explain the effect of process parameters on the properties & microstructure of the
surface coating processes
1. Why the solvent in degreasing process must be controlled? How the solvent is recovered.
2. What is surfactants? Why it is used in alkaline cleaning.
3. Discuss the usefulness of nano technology in surface engineering.(S22
CHAPTER 5: Different method for surface modification
CO 4: Explain the effect of process parameters on the properties & microstructure of the
surface coating processes
3. Explain dry blasting.
4. Explain strain peening operation
5. Explain temporary and permanent protective coatings
CHAPTER 6: Case studies based on coatings and surface modification of
important engineering components.
CO 5: Understand the importance & role of surface modifications to achieve several
technological properties.
6. Which are the different surface modification process is done on the Gear teeth. Why it is
necessary (Hint: laser surface modification, carburising, nitriding)
7. Discuss the application of coating in machining industries. (Hint: Coating on inserts)
8. Discuss the coating of pressure vessel in chemical industries. (Hint: Chromium cladding
on inner wall of pressure vessel)
9. Discuss the surface modification provided on turbine blades.
(Hint: Refer: http://gjeta.com/sites/default/files/GJETA-2020-0010.pdf; and
https://jmerd.net/Paper/Vol.44,No.4(2021)/134-144.pdf;)
10. Explain hydrophilic and hydrophobic coating along with their application.
