Friday 10 August 2018

                    
Notice

                BE 3rd  Sem  Mechanical Engineering students are here by informed that  submit this assignment of  Material science and Materials on or before Date of submission. this assignment is also considered as a part of term work .in this assignment already last five year GTU exam paper’s question is covered so it is beneficially to you in upcoming MID semester and final GTU exam.

Sr.No
Questions.
1
State the importance of study of “Material Science” and briefly explain engineering requirement of materials.
2
Using Gibb’s phase rule, explain unary phase diagram with the help of sketch.
3
Explain and differentiate Edge dislocation and Screw dislocation with neat sketch.
4
What is cooling curve? Explain and differentiate time temperature cooling curve of an alloy of eutectic composition and pure metal.
5
Write a short note on: “Iron-iron carbide equilibrium diagram”.
6
With the aid of an iron- iron carbide equilibrium diagram show and explain eutectic, peretectic and eutectoid transformation. Also mention the significance of these transformations.
7
State composition, specific properties and applications of Grey Cast Iron.
8
What is phase diagram? Explain Lever rule.
9
Explain the steps to obtain the TTT-diagram for eutectoid steel and show on it the cooling curve representing annealing and hardening process
10
What are the purpose of Alloying ? Give effects of nickel as an alloying element
11
Describe and compare Austempering and Martempering.
12
Enlist the properties of pure aluminum and mention the composition, properties and application of any one aluminum alloy.
13
What is Powder Metallurgy? Explain the process of Powder Metallurgy
14
What do you mean by Non-destructive testing? Differentiate destructive and non-destructive testing by stating benefits and limitations.
15
Give specific applications of powder metallurgy parts also describe merits and  de-merits of powder metallurgy process.
16
What are the engineering requirements of materials? Explain in detail.
17
Explain Structure Property and Performance relationships with a suitable example
18
What are the various levels of structure? Explain in detail.
19
What is strain hardening ? Explain how the effect of strain hardening can be eliminated by recrystallization.
20
What is plain carbon steel? Also explain all type of plain carbon steel with the composition and specific application.
21
What is plain carbon steel? Also explain all type of plain carbon steel with the composition and specific application
22
Draw and label TTT diagram for eutectoid steel and show annealing and normalizing in it. Explain the critical cooling rate with the help of TTT diagram.
23
Explain the requirements of metal powders used in powder metallurgy. Also explain various methods of powder production.
24
Differentiate between Annealing process and Normalizing process.
25
Define Heat treatment of metals. Explain with neat sketch TTT diagram for heat treatment of steel.
26
What do you mean by allotropy of metal? Discuss allotropy of Iron.
27
Differentiate between white cast iron and grey cast iron.
28
Compare Destructive test with Non Destructive test
29
What is nondestructive test? List various nondestructive tests. Explain advantages and Disadvantages of non-destructive tests.
30
Explain Dye penetrant testing.
31.
Explain the method Ultrasonic Testing with neat sketch. And also explain its advantages and limitations
32.
Draw the microstructure of white cast iron and enlist its properties.
33.
Justify the need of Heat treatment processes for metals. Explain with neat sketch TTT diagram for heat treatment of steel
34.
Completely describe the “Sintering Process”.
35.
Evaluate – Annealing is never a final heat treatment process for hypereutectoid steel.
36.
Define tool steel. Explain any five tool steels by describing their properties.
37.
Completely describe the “sintering” process with sketch. Mention the condition for which “pre-sintering” is required
38.
Describe the important constituents, properties and application of following alloys:
(1) Monel (2) Invar (3) Nichrome (4) Babbitt metal
39.
Explain in detail, the ultrasonic testing method with its benefits and limitations
40.
Explain the principle of Radiography testing. With its use in metal testing.
41.
Explain Flame hardening
42.
Determine atomic packing factor for FCC crystal structure with
sketch.
43.
What is the solid solution? Explain types of solid solution with
sketch.
44.
Explain Eddy current testing method with neat sketch. Also explain limitations and applications
45.
Define the following material properties: i) Ductility ,ii) Creep and iii) Hardness
46.
Differentiate between Polymers and Composite materials
47.
Explain the ‘Lever rule’ based on the phase diagram of binary alloy.
48.
Explain Induction hardening
49.
Explain Jominy Hardenability Test with a neat sketch
50.
Explain the composition, properties and applications of Muntz metal