B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2009
Second Semester
Electrical and Electronics Engineering
GE 2152 — BASIC CIVIL AND MECHANICAL ENGINEERING
(Common to Bio-medical Engineering, Electronics & Communication Engineering,
Electronics & Instrumentation Engineering, Information Technology, Computer
Science & Engineering and Instrumentation & Control Engineering)
(Regulation 2008)
Time : Three hours Maximum : 100 Marks
Answer ALL questions
PART A— (10 x 2 = 20 Marks)
1. What are the primary types of surveying?
2. State any two types of cement and concrete.
3. Define safe bearing capacity of soil.
4. Mention any types of bridges based on the materials of construction.
5. Name any two methods to determine the area of a particular construction site.
6. Writs down the working principle of Nuclear power plant.
7. How do you classify the internal combustion (I.C) engine?
8. What is Otto cycle?
9. What is capacity of refrigeration?
10. Write any two advantages of window room air conditioner.
PART B— (5 x 16 = 80 marks)
11. (a) (i) What are the principles of surveying? (4)
(ii) The following are the observed fore bearing of the traverse sides: AB, 80° 30' ; BC, 150° 15'; CD, 270° 20' and DE, 325° 30'. Find their back bearings.(4x3=12)
OR
(b) (i) What are the various types of bricks based on quality? (4)
(ii) State the properties and uses of cement concrete. (12)
12. (a) (i) What are the requirements of good foundation? (4)
(ii) Compare the brick masonry and stone masonry. (12)
OR
(b) (i) What are methods of improving bearing capacity of soil? (4)
(ii) Explain the following terms: (3 x 4 = 12)
(1) Internal and external forces,
(2) Stress and strain &
(3) Modulus of elasticity.
13. (a) (i) Classify various types of power plants. (6)
(ii) State the working principle and advantages 6f thermal power plant(10)
OR
(b) What are the applications and advantages of Diesel power plant? (16)
14. (a) (i) Differentiate two-stroke engines from four-stroke engines. (4)
(ii) State the merits and demerits of two-stroke cycle engine. (12)
OR
(b) (i) What are the classification of boiler? (4)
(ii) Briefly explain the various parts of internal combustion engine. (12)
15. (a) (i) State the second law of thermodynamics. (4)
(ii) Write the various properties of an ideal refrigerant. (12)
(b) (i) Draw the layout of a vapour absorption refrigeration system and briefly explain the working principle. (12)
(ii) Classify the air conditioning systems on the basis of their major functions and explain.