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Reg. No. :B.E./B.Tech. DEGREE EXAMINATION, JUNE 2010Second Semester

Electrical and Electronics EngineeringGE2152 BASIC CIVIL AND MECHANICAL ENGINEERING(Regulation 2008)

(Common to Bio-medical Engineering, Electronics and Communication Engineering,Electronics and Instrumentation Engineering, Information Technology, ComputerScience and Engineering, Instrumentation and Control Engineering)Time : Three hours Maximum : 100 MarksAnswer ALL Questions

PART A (10 2 = 20 Marks)

1. State the two principles of surveying.2. How are bricks classified?3. Define bearing capacity of soil.4. Define stress and strain.

5. What is the use of surge tank in hydropower plants?6. Give two examples for positive displacement pumps.7. What is the function of a carburetor?8. Compare two stroke and four stroke engines with regard to power output andthermal efficiency, for the same speed and cylinder capacity.9. Define Ton of Refrigeration.10. State the values of DBT and RH for human comfort in India.

PART B (5 16 = 80 Marks)

11. (a) The following perpendicular offsets were taken at 10 m intervals from asurvey line to an irregular boundary line: 3.15 m, 4.30 m, 8.20 m,6.85 m, 7.60 m, 4.20 m, 5.60 m, and 4.30 m. Calculate the area enclosed

between the survey line, irregular boundary line, first and last offsets bytrapezoidal rule. [Marks 16]Or(b) What are the different types of cement? Explain their properties anduses. [Marks 16]

12. (a) Describe with neat sketches:(i) Any one type of shallow foundation(ii) Pile foundation. [Marks 16]Or(b) Describe with neat sketches(i) Arch culvert(ii) T-Beam and Slab Bridge. [Marks 16]

13. (a) Draw a neat Layout of a typical Steam Power Plant and explain thevarious circuits involved. [Marks 16]Or(b) With the help of suitable sketches, explain the working of a ReciprocatingPump. What are the advantages of centrifugal pumps over reciprocatingpumps? [Marks 16]

14. (a) Explain the working of a two stroke Petrol engine. What are the meritsand demerits of two stroke engines? [Marks 16]

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Or(b) Explain the principle of working of a four stroke Diesel engine withsuitable sketches. What are the merits and demerits of four strokeengines? [Marks 16]

15. (a) With the help of flow diagram explain the principle of working of avapour compression refrigeration system. Compare vapour absorptionrefrigeration with vapour compression refrigeration. [Marks 16]Or(b) With a neat sketch, explain in detail the working of a window type roomair conditioner. [Marks 16]