STUPIDSID
Solve any one question from Q.1(a,b,c) &Q.2(a,b, c)
1(a)
Draw a neat, well labelled schematic TTT curve from medium cabon steel.
4 M
1(b)
What is meant by alloy steel? State different types of stainless steel and give composition of 304SS.
4 M
1(c)
Explain different steel specifications, with suitable example.
5 M
2(a)
Differentiate between Microscopic and Microscopic examination
4 M
2(b)
Define etching and state etching reagents for ferrous and non- ferrous metals.
4 M
2(c)
Draw Iron-Iron Carbide equilibrium diagram, showing all details.
5 M
Solve any one question from Q.3(a,b,c) &Q.4(a,b, c)
3(a)
Draw a schematic diagram showing all details of Metallurgical microscope.
4 M
3(b)
State the importance of hardnability of steel, it depends on hich factors.
4 M
3(c)
Explain mechanism of corrosion with suitable figure.
4 M
4(a)
Classify surface hardening treatments and explain induction hardening.
4 M
4(b)
Explain Crevice corrosion method. How can it be prevented?
4 M
Solve any one question from Q.5(a,b,c) &Q.6(a,b, c)
4(c)
What is inter-granular corrosion, explain with figure.
4 M
5(a)
What is 'malleabilising' heat treatment? To which type of cast iron is it given?
4 M
5(b)
Differentiate between white cast iron and nodular cast iron.
4 M
5(c)
Explain how modification in design will improve corrosion resistance.
5 M
6(a)
Draw the microstructure of Nodular Cast iron and state two applications of it.
4 M
6(b)
Why is Grey cast iron found commonly in columns but not in structural beams?
4 M
6(c)
What is meant by 'inculation' in context of cast irons? Why is it done?
5 M
Solve any one question from Q.7(a,b,c) &Q.8(a,b, c)
7(a)
Write a short note on bearing materials. State any two materials.
4 M
7(b)
Draw a necessary phase diagram for brass, showing all phases.
4 M
7(c)
Why is aluminimum called as a corrosion resistance metal?
4 M
8(a)
Differentiate between brass and bronze.
4 M
8(b)
Explain the heat treatment given in case of Aluminimum alloys.
4 M
8(c)
Write a short note on double tempering. Where is it needed?
4 M
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