Question Bank: Important Long Questions

Chapter 2

OVERVIEW OF MECHANCIAL ENGINEERING

I. Answer the following:

1. Write a brief note on sheet metal processes.

2. Explain the different steps in foundry process of metal casting with illustrations.

3. Explain the principle involved in different types of metal forming process.

4. Explain press working operations with suitable illustrations.

5. Enumerate the advantages and disadvantages of hot working.

6. Enumerate the advantages and disadvantages of cold working.

7. Distinguish between the gas welding and arc welding.

8. Explain types of brazing and brazing joints with suitable illustrations.

9. Distinguish between soldering and brazing process.

10. Explain the principal parts of a central lathe with a neat diagram.

11. Name the operations that can be performed on the lathe with neat diagrams.

12. Draw a layout of complete system of automobile and explain the various components of an automobile.

 13. Explain the steering system of an automobiles with neat sketches.

 14. What is the purpose of braking system in an automobile? Explain hydraulic braking system with the aid of a schematic diagram.

15. Compare renewable and non-renewable energy sources.

16. What is reversible and irreversible state of system in the thermodynamics?

17. Explain the principle of conservation of energy.

18. Explain the types of welding processes with suitable illustrations.