Other Bachelor Degree- BASIC MECHANICAL ENGINEERING(Karunya University, Coimbatore-2012)

Reg. No. ________                                                                                                                                                      

Karunya University

(Karunya Institute of Technology and Sciences)

(Declared as Deemed to be University under Sec.3 of the UGC Act, 1956)

 

Supplementary Examination – June 2012

 

Subject Title: BASIC MECHANICAL ENGINEERING                                                                   Time: 3 hours

Subject Code:            09ME101                                                                                                               Maximum Marks: 100           

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Answer ALL questions

PART – A (10 x 1 = 10 MARKS)

 

1.         Give an example each for an IC engine and an EC engine.

2.         Cochran boiler is a ______tube boiler.

3.         List any two thermal power plants available in Tamil Nadu.

4.         Geothermal power plant is receiving energy from ______ for functioning.

5.         Define Young’s modulus.

6.         List the various types of loads.

7.         Define pattern.

8.         ______ furnace is the most commonly used type of furnace for melting cast iron.  

9.         Define metal machining.

10.       Which are called as alloys?

 

PART – B (5 x 3 = 15 MARKS)

 

11.       Differentiate steam engine and steam turbine.

12.       Which are called as non-conventional power plants? Why?

13.       List and define the various types of stresses and strains.

14.       What are the advantages of casting process?

15.       What are the major applications of nonferrous metals?

 

PART – C (5 x 15 = 75 MARKS)

 

16.       Sketch and explain the Babcock and Wilcox boiler.

(OR)

17.       Explain the working of a four-stroke petrol engine with suitable sketches.

 

18.  Draw the layout of a hydroelectric power plant and explain its function.

(OR)

19.       With suitable sketches, explain the wind and tidal power plants.

 

20.       Sketch and explain the various phases of a stress strain curve of ductile materials.

(OR)

21. List the various mechanical engineering software packages and explain their uses and limitations.

 

22.        Define ‘moulding’ and list the various allowances provided during pattern making and explain.

(OR)

23.       Define the term ‘welding’ and explain the arc welding process with a neat sketch.

 

24.        Sketch and explain the principle parts of a milling machine.

(OR)

25.  What are expected properties of engineering materials?  Explain the various applications of ferrous metals and alloys.

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