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					                                                            SECOND SHIFT
                                            Department of Mechanical Engineering
                                         12044: MECHANICAL ENGINEERING MATERIALS
                                                    Chapter-wise Question Bank
                                                         LECTURER- MR.RAUT P.P.
1. Define Ductility and Hardness.
2. What is corrosion
3. Define Dry and Wet corrosion.
4. Give classification of Engineering Materials.
5. Draw flow diagram for production of cast Iron and Steel.
6. Give four characteristics of ferrous materials.
7. Define Malleability and density.
8. What is coefficient of Linear Expansion?
9. Define creeping and thermal conductivity.
10. Define hardness and Hardenability.
11. State types corrosion.
12. Define coefficient of linear expansion.
13. State effects of alloying elements on metals.
14. What is difference between metals and non-metals.
15. Define ductility and malleability.
16. What is alloy?
17. What are factors affecting corrosion?
18. Give detail classification of engineering materials.
19. Define-electrical conductivity, thermal conductivity and melting point.
20. Differentiate between toughness and resilience.
21. Define corrosion.
22. What is metal?
23. State the properties of engineering materials.
24. Define strength and toughness.
25. State any four non-metallic materials.
26. What is wet corrosion?
27. Define plasticity and elasticity.
28. What is role of density in materials?
29. What is corrosion? Why it occurs?
30. Name any two corrosion resisting metals which are added in alloy metals.
1. Differentiate between dry and wet corrosion.
2. Give the basic mechanism of corrosion.
3. What are factors affecting the selection of materials for engineering purpose?
4. What is intergranular corrosion?
5. How corrosion can be control and prevent in case of metals?
6. Describe stray current corrosion.
7. What is fatigue corrosion?
                           CHAPTER NO. 02. FERROUS METALS AND ALLOYS ( 26 MARKS)
1. Give Classification of Cast Iron.
2. What is Steel?
3. Define: Malleability and Hardenability.
4. How Steels are classified?
5. How Cast Irons are classified?
6. What is alloy of Steel?
7. What is effect of Silicon and Aluminum elements on Steels?
8. What is pig Iron?
9. Write two transformations occur in Iron-Carbon phase equilibrium diagram.
10. What is cast iron?
11. What are the effects of Nickel and vanadium on properties of steel?
12. Write one major difference between ferrous and non-ferrous materials.
13. What is alloy steel?
14. Define free cutting steel.
15. State effects of alloying elements on HSS.
16. Define pig iron.
17. How metals are classified? Name any two types of C.I.
18. How metals are classified? What are its characteristics?
1. Draw the Iron-Carbide phase equilibrium diagram and label it.
2. What is the effect of following alloying elements on Steels:
a. Chromium
b. Phosphorus
c. Sulphur
d. Tungsten
3. Write a short note on .Tungsten Carbide as Tool Material..
4. Write a short note on .Alloy Steel..
5. Explain .Stelites and diamond as a special cutting tool material..
6. Explain HSS.
7. Draw flow diagram for production of steels.
8. Draw flow diagram for production of cast irons.
9. Classify mild steel according to percent of carbon and give important applications each.
10. What are ferrous metals? Classify them and give their applications.
11. Give designation of plain carbon steel and its composition and applications.
12. Draw flow chart of production of malleable cast iron.
13. How cast irons are classified?
14. Compare steels and cast irons.
15. Draw iron carbide phase equilibrium diagram and label it.
16. What are tool steels? How they are classified? What are the properties of tool steels.
17. Give the flow diagram for production of iron and steel.
18. What is gray cast iron? How it is produced?
19. What are the characteristics and applications of ferrous materials?
20. Explain malleable and nodular C.I. in terms of comparison.
21. Describe high chromium tool steels.
22. Write factors favouring the formation of gray cast iron and what are the parameters which control strength of
gray C.I.
23. What is the stainless steel? State its properties.
24. Differentiate between white and gray C.I.
                          CHAPTER NO. 03. NON FERROUS METALS AND ALLOYS ( 14 MARKS)
1. What is Brass?
2. Define Bronze.
3. Classify brasses.
4. Classify bronzes.
5. What is role of zinc in brass?
6. What is role of tin in bronze?
7. What is bearing material?
8. Give application of Magnalium.
9. What is gun metal?
10. Why aluminum is used for transmission of electricity through overhead lines?
11. Give properties of copper.
12. Give properties of aluminum.
13. Give properties of brass.
14. Give properties of bronze.
15. Give composition and application of cartridge brass.
16. What is admiralty brass?
17. Differentiate Cartidge brass and Muntz metal.
18. Name any two aluminium alloys.
19. State any four properties of aluminium alloy.
20. State any two important characteristics of bearing metals.
21. What is the process of self lubrication?
22. Give composition of the following materials:
a) Muntz metal.
b) Y-alloy
c) Duralium
d) Gun metal
1. Write a short note on .Bearing Materials..
2. Give application and chemical compositions of:
a. Naval Brass
b. Bronzes
3. Give properties of bearing materials.
4. Write the properties and uses of copper.
5. Give the composition of Muntz metal and gun metal.
6. Give application of i) Brass, ii) Bronze.
7. Write the properties and uses of Babbit metal.
8. Give applications and chemical composition of Duralium and Naval Brass.
9. Give applications and chemical composition of Muntz metal.
10. Give composition of gun metal and also give two applications of Muntz metal with respect
to properties, Characteristics of Muntz metal.
11. What are desirable properties of bearing metals?
12. What are desirable properties of bearing metals? List the materials used for bearing.
13. What are bearing metals? Give two desirable properties of bearing metal.
14. What is babbit? Give its chemical composition andapplications.
15. What are the properties of good bearing materials?
16. Give composition and applications of i) Duralium, ii) Y- alloy.
17. What are different types of bronzes? Write composition and uses of any two.
                               CHAPTER NO. 04. HEAT TREATMENT OF STEELS ( 18 MARKS)
1. What is Heat Treatment?
2. What is full annealing?
3. What is Normalising?
4. What is Nitriding?
5. What is Carburising?
6. What is Carbonitriding?
7. How Nitriding is carried out?
8. What is case hardening?
9. What is Hardening?
10. What is surface hardening?
11. What is cementation?
12. What is purpose of annealing?
13. What is purpose of nitrding?
14. What is purpose of carburizing?
15. What is purpose of carbonitriding?
16. What is purpose of hardening?
17. What is purpose of case hardening?
1. Explain annealing and subcritical annealing.
2. Explain the process of normalizing.
3. Explain flame hardening. Write four advantages of flame hardening.
4. Write a short note on carburizing.
5. Describe process of full annealing.
6. Classify annealing process and explain any one of them.
7. What is induction hardening? What are its features?
8. What are general advantages of Heat Treatments?
9. What is tempering? What are its benefits?
10. What is heat treatment? What are different types of heat treatments? Name any four.
11. What are applications, merits and demerits of induction hardening?
12. What is carburizing? Why and how it is done?
13. What is purpose of normalizing? Explain how it is carried out.
14. Define annealing. State its purpose and explain how full annealing is carried out.
15. What is purpose of heat treatment? Classify the heat treatment processes.
16. Describe martempering process.
17. What is niitriding? What are its advantages and limitations?
18. Compare induction hardening and flame hardening.
19. What are heat treatments? State objectives of heat treatments.
20. Differentiate between annealing and normalizing.
21. Explain tempering process.
22. What is case hardening? What are its types.
23. What is tempering process? How it is carried out.
24. What is carburizing? Give its advantages?
25. What is flame hardening? Explain.
26. Differentiate between full annealing and nitriding.
27. Differentiate between austempering and martempering.
28. What is tempering? What are different types of tempering?
29. What is nitriding? What are advantages, limitations and applications.
30.What is hardening and how it is done?
31.Draw flow chart of various heat treatment processes.
                                 CHAPTER NO. 05. NON METALLIC MATERIALS ( 16 MARKS)
1. What are different types of plastics? State one important characteristics of each.
2. Give two applications of ceramics and glasswool.
3. Give two applications of cork and thermocole.
4. Write advantages of ceramics materials
5. What are characteristics and uses of ABS.
6. Write properties and applications abrasives.
7. What is polymerization?
8. State any four non-metallic materials.
9. What do you mean by thermosetting plastics?
10. State the names of plastics which come in group of plastics.
1. What are the different types of polymers?
2. What are the properties of Buna and silicon rubbers?
3. What are the characteristics of Bakelite and Melamine?
4. What is Ceramic?
5. What is composite material? Give classification of composite material.
6. Write a short note on ABS polymer.
7. Give properties and applications of: Thermocole and Glass wool.
8. Differentiate between addition polymerization and condensation polymers.
9. What are laminated and fiber reinforcement composites.
10. Give two important characteristics and uses of i) Epoxies, ii) Bakelite.
11. Give two properties and applications of i) Neoprene, ii) Butadine.
12. Compare thermoplastics and thermosetting plastics.
13. What are composite materials? What are the advantages and limitations of each.
14. Give two applications and characteristics of i) Polymers, ii) ceramics
15. Give two applications and characteristics of i) Silicons, ii) Buna.
16. What are stellites? What are the salient features of satellites?
17. What are abrasive, adhesive and asbestos?
18. Define rubber. Give its types, properties and applications.
19. What are different properties of composite materials?
1. What is powder Metallurgy?
2. What is Sintering?
3. What are steps involved in Powder Metallurgy?
4. Name different methods used for producing metal powder.
5. What are advantages of powder metallurgy?
6. What do you understand by powder compaction?
7. Explain blending/ mixing. State its types.
1. Explain with neat sketch Dye Penetrant Test.
2. Explain with neat sketch Magna Flux Testing.
3. How the crack is detected by the Radiography technique.
4. Explain the .Mechanical processes used for powder production in powder metallurgy..
5. What are the different applications of powder metallurgy component?
6. Draw flow diagram for various destructive and non-destructive tests.
7. Write down the steps involved in sintering.
8. What is powder metallurgy? Write down steps involved in powderproduction by mechanical method.
9. State characteristics of metal powder.
10. What are the steps involved in producing porous bearing by powder metallurgy.
11. Name non-destructive testing methods and explain any one.
12. What are applications of powder metallurgy?
13. Why are the factors like size, shape and distribution important in the packing of powder.
14. What is the principle of radiographic testing? State its types.
15. What is non-destructive test? What are its advantages?
16. Explain the process of powder metallurgy.
17. State industrial applications of powder metallurgy.
18. Explain with neat sketch compaction process in powder metallurgy.
19. Explain with neat sketch how crack detection is done by using fluorescent penetrant.

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