SPPU Chemical Engineering (Semester 3)
Chemical Engineering Materials
December 2016
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question.Q1(a,b) Q2(a,b)
1(a) Write the classification of Engineering Materials.
6 M
1(b) Draw and explain stress-strain curve of ductile materials.
6 M

2(a) A steel rod of 30 mm diameter, 280 mm long is subjected toaxial forces alternating between maximum compression of 15kN and a maximum tension of 5 kN. Find the difference between the greatest and least length of the rod. E = 210GPa.
6 M
Solve any one question.Q3 Q4(a,b)
2(b) Write short note on:
i) ASTM Methods
ii) Hardness Testing.
6 M

3 What are the different types of Hardness testing methods? Explain any two methods in detail.
13 M

4(a) Explain Sol-Gel method for synthesis of Nanomaterials.
7 M
4(b) Write short note on Carbon Nanotubes.
6 M

Solve any one question.Q5(a,b) Q6
5 Write short note on:
a) Transmission Electron Microscope (TEM)
b) X-ray diffraction.
13 M

6 Explain in detail principle and working of Scanning Electron Microscope (SEM).
13 M

Solve any one question.Q7(a,b) Q8(a,b)
7(a) Define Glass materials. Write applications of glass materials.
6 M
7(b) Write down the Mechanical and Electrical properties of ceramic materials.
6 M

8(a) Write a short note on Organic Protective Coatings.
6 M
8(b) Discuss in detail applications of Ccramic materials.
6 M

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