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## Engineering

 Civil Engineering Chemical Engineering Electrical & Electronics Mechanical Engineering Computer Engineering Engineering Mathematics MATLAB Other Engineering Digital Electronics Biochemical & Biotechnology

problem 1:

Illustrate out the term ‘Polymorphism’? Provide some of its instances.

problem 2:

Illustrate out the effects of the crystal imperfections in materials.

problem 3:

Discuss five significant mechanical tests which provide valuable information regarding metals and alloys. What are the relative benefits and drawbacks of each?

problem 4:

Sketch a typical ‘creep-test’ curve, showing different phases of the elongation for a long time high temperature creep test. Discuss how the information is useful to the designers.

problem 5:

In brief illustrate out the common types of the corrosion which are encountered on metal in different condition and indicate the nature of mechanism involved in each case.

problem 6:

In what ways can the mechanical properties of the aluminium alloys be enhanced? What is the effect of adding copper to the aluminium?

Mechanical Engineering, Engineering

• Category:- Mechanical Engineering
• Reference No.:- M912486

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