Question Paper for Basics of Mechanical Engineering ME100-Special Supplementary Examination Aug/Spt 2016

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIRST/SECOND SEMESTER B.TECH DEGREE 

SPECIAL SUPPLEMENTARY EXAMINATION AUG/SEP 2016

ME100 BASICS OF MECHANICAL ENGINEERING

Max. Marks: 100                                                                                                      Duration: 3 Hours

PART A Answer all question.Each question carries 3 marks

1. State the second law of thermodynamics

2.Which pump requires priming? What is the need for priming?

3.The door of your refrigerator is kept open inside a room. What will happen? Justify your answer.

4. Name few hybrid vehicles in India and mention its importance.

5. Briefly describe Rolling process

6. A designer is planning to design a sand mould without a riser. Can he achieve the casting successfully using this design and validate your answer.

7. A manufacturer demanded his lathe operator to put grip on his product. Suggest an operation to operator for performing the same? And explain the process?

8. Give the differences between a shaper and a planar.

PART B

Answer any 8 Questions (2 QUESTIONS FROM EACH MODULE)
Each question carries 6 marks

MODULE 1

9. Explain the significance of Clausius inequality.

10. Sketch a Diesel cycle onP-V and T-S diagram and explain.

11. An engine operating on Carnot cycle between temperature limits 20°C and 800°C rejects heat at the rate 200 KJ/s. Determine
(i)the ideal thermal efficiency of the cycle, (ii) Power output of the engine.

MODULE 2

12. With a suitable sketch explain the Working of a gas turbine.

13.ldentify and explain the engine that gives one power stroke for two revolution of crank shaft

14.With a suitable sketch explain the working of a centrifugal pump.

MODULE 3

15.Explain the working of a Vapour absorption refrigerator with a suitable sketch.

16. Explain the working of a domestic refrigerator with a suitable sketch.

17. Explain the working of a split air Conditioner with a suitable sketch.

MODULE 4

18. List out major components in an automobile with their functions.

19.Explain the different types of  power transmission drives.

20.A good fuel for an S1 engine will be a bad fuel for a CI engine. Comment.

PART C
Answer any 4 questions (ANY 2 QUESTIONS FROM EACH MODULE)
Each question carries 7 marks

MODULE 5

21.With neat sketch, explain sand casting process.

22. Briefly describe different types of rolling mills with sketches.

23. Describe the forging process with sketches.

MODULE 6

24. Explain the working of a drilling machine with the help of a neat diagram.

25. Sketch a milling machine and indicate the important components in it.

26. Describe a shaper with a neat diagram.