Question Paper Code : 30067
B.E./B.Tech. DEGREE EXAMINATIONS, APRIL/MAY 2023.
Second Semester
Electrical and Electronics Engineering
BE 3255 — BASIC CIVIL AND MECHANICAL ENGINEERING
(Common to : Electronics and Instrumentation Engineering/Environmental Engineering/Instrumentation and Control Engineering)
(Regulations 2021)
Answer ALL questions.
PART A — (10 × 2 = 20 marks)
- 1.
What is meant by town planning?
- 2.
What are the non-conventional sources of energy?
- 3.
What are the advantages of reinforced Concrete?
- 4.
What are the various mechanical properties of building material?
- 5.
What is suspension bridge?
- 6.
What is plastering?
- 7.
Compare 4-stroke and a 2-stroke engine.
- 8.
How are boilers classified?
- 9.
Differentiate vapour-compression and vapour-absorption system.
- 10.
Define wet-bulb temperature.
PART B — (5 × 13 = 65 marks)
- 11.(a)
Discuss the advantages and disadvantages of road and railway transport system.
- Or
- (b)
Discuss the various interdisciplinary concepts of engineering with few examples to enhance values to their systems.
- 12.(a)
Discuss the types of thermo plastics and thermo-setting plastics.
- Or
- (b)
What are the objectives of surveying? How surveying is classified?
- 13.(a)
What is green building? What are the salient features of a green building? Mention few benefits green building.
- Or
- (b)
Discuss types of building stones and their Uses.
- 14.(a)
Discuss with a neat sketch the different parts of steam turbine.
- Or
- (b)
Explain with a neat sketch working of steam power plant.
- 15.(a)
Discuss the working principle of vapour compression refrigeration system.
- Or
- (b)
Explain the working of split air-conditioner.
PART C — (1 × 15 = 15 marks)
- 16.(a)
Discuss any one high pressure boiler and what are the advantages of high pressure boiler.
- Or
- (b)
Discuss the centrifugal pump components and their functions.