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VELALAR COLLEGE OF ENGINEERING AND TECHNOLOGY

Department of MECHANICAL ENGINEERING

[2012- 2013]

Class: Common to First year B.E. / B. Tech.

(CSE02A, CSE02B, IT02A, IT02B, BME)

Internal Test No: 02

Subject : GE 2152 BASIC CIVIL AND MECHANICAL ENGINEERING

Date: 19.04.2013 Max. Marks : 50

Time: 9.00 am 10.30 am Duration: 90 min.

Part A (10 x 2 = 20 Marks)

Answer all questions

1. How the bricks are classified?2. What are the sources of sand?3. Define the term - Water Cement ratio.4. List out any four types of cement.5. Define safe bearing capacity of soil6. State the use of piston rings.7. Define Impulse turbine.8. Why are two strokes engines preferred for two

wheelers?

9. Mention any four boiler accessories.10. Write the function of a safety valve of a boiler.

Part B (2 x 15 = 30 Marks)

Answer all questions

11. a. (i) Explain the classifications of stones with examples. (7)

(ii) With the help of flowchart, briefly explain the

manufacturing of ordinary Portland cement.(8)

(OR)

11. b. (i) Which are the normal steel sections commercially

available in the market? Give neat sketches for at

least four such sections.(7)

(ii) Describe the various requirements of good

foundations.(8)

12. a. Explain the working of any one Horizontal axis boiler

with neat sketch. Mention its name and type.(15)

.

(OR)

12. b. (i) Explain the working of Two stroke Diesel Engine

with neat sketches. (10)

(ii) Make a comparison of two stroke and four stroke

engines.(5)

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