Anna University Basic Mechanical Engineering Question Paper

ANNA UNIVERSITY PREVIOUS QUESTION PAPERS

B.E. DEGREE EXAMINATION.

II Semester Marine Engineering

BASIC MECHANICAL ENGINEERING

Time : Three hours                                                                        Maximum : 100 marks

Answer ALL questions.

PART A — (10 ´ 2 = 20 marks)

1. What are the alternative sources of energy?

2. Differentiate between Cochran and Lamont Boilers.

3. What is the function of a carburetor?

4. What are the different methods of Lubrication employed in I.C. Engines?

5. What are the parts of a simple vapour compression refrigeration system?

6. Define air–conditioning.

7. Mention the different types of cold working processes.

8. What is Brazing?

9. Differentiate between a shaper and planer.

10. Define CAD.

PART B — (5 ´ 16 = 80 marks)

11. Draw a neat sketch and explain the principal parts of a horizontal milling machine.

12. (a)     Draw the layout of a Thermal power plant and explain the working of its different circuits.

Or

             (b)     With a neat sketch explain the working of Benson boiler.

13. (a)     Compare and contrast four stroke cycle engines with two stroke cycle engines.

Or

             (b)     With the help of a neat sketch explain the working of any one type of ignition systems of petrol engine.

14. (a)     With a neat sketch explain the working of vapour absorption refrigeration system.

Or

             (b)     Explain the thermoelectric cooling and enumerate its advantages.

15. (a)     With a neat sketch explain the principle of Rolling and extrusion process.

Or

             (b)     Explain the principle of gas welding with the help of a neat sketch, and state its advantages also.

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