Basic Civil and Mechanical - Nov/Dec 2009 Question Paper

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 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 is the principle of surveying?
2. Differentiate WCB from RB.
3. Define safe bearing capacity of soil.
4. What is Poisson's ratio?
5. List the types of dams.
6. Give the classification of power plants.
7. What is the principle of centrifugal pump?
8. What is meant by two stroke cycle engine?
9. Define the term refrigeration.
10. Mention the applications of refrigeration.

PART B— (5 x 16 = 80 marks)

11 (a) (i) Draw a neat sketch of a dumpy level and indicates its parts. (8)
(ii) Explain how reciprocal leveling is carried out in case of obstruction.(8)
Or
(b) (i) What are the requirements of a good building stone? (5)
(ii) What is the chemical composition of cement? (5)
(iii) List the types of cement and the various tests carried out on ordinary Portland
cement. (6)

12. (a) Enumerate different types of foundations you would recommend under different
situations and soil conditions. Explain them briefly. (16)
Or
(b) Draw a typical vertical section of a wall through openings, and show various
important elements of construction. (16)

13. (a) Explain the working of a single acting single stage reciprocating pump with a neat
sketch. Name the main parts. (16)
Or
(b) Explain the construction and working of a centrifugal pump with a neat sketch. (16)

14. (a) Describe the working of four stroke cycle petrol engine with neat sketches. 06)
Or
(b) Compare two-stroke engine with four-stroke engine. (16)

15. (a) Explain with a line diagramthe construction and working of a vapour compression
system of refrigeration. (16)
Or
(b) How are vapour refrigerators classified? Explain their operation. Mention the
names of vapours used in vapour refrigerators. (16)