GE 2152 — BASIC CIVIL AND MECHANICAL ENGINEERING part A,part B notes

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009

Second Semester

Electronics and Communication Engineering

GE 2152 — BASIC CIVIL AND MECHANICAL ENGINEERING(BCAM) or Bcm

(Common to Biomedical Engineering, Electrical and Electronics Engineering,

Electronics and Instrumentation Engineering, Information Technology, Computer

Science and Engineering and Instrumentation and Control Engineering)

(Regulation 2008)

Time : Three hours Maximum : 100 Marks

Answer ALL Questions

PART A — (10 × 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 × 16 = 80 Marks)

11. (a) (i) Draw a neat sketch of a dumpy level and indicates its parts. (8)
(ii) Explain how reciprocal levelling 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. (16)
Or
(b) Compare two-stroke engine with four-stroke engine. (16)
15. (a) Explain with a line diagram the 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)