Series OSS Code No. 109
CIVIL ENGINEERING
(Theory)
Time allowed : 3 hours Maximum Marks : 60
Note :
(i) Attempt any five questions.
(ii) Draw neat sketches, wherever necessary.
1. (a) What is the role of cement in concrete ? Enlist names of any three properties of cement which can be tested in a laboratory.
(b) What do you understand by timber ? Name the timber, suitable for the following purposes :
(i) Making good furniture.
(ii) Making door shutters. 6+6=12
2. (a) Name a fire resistant material. What should be the properties of such a material ?
(b) What do you understand by Asphalt ? Briefly explain some of its uses. 6+6=12
3. (a) What different types of obstacles may be encountered during chain surveying ? Explain briefly.
(b) Explain the importance of proper ventilation in a building. 6+6=12
4. (a) Briefly explain various uses of cement mortar.
(b) What is the use of a Dumpy level ? Can you measure vertical angles with its help ? 6+6=12
5. (a) Suggest a suitable type of foundation for a brick wall. Draw a line sketch of it.
(b) Enlist names of various types of floors. Briefly describe any one of them. 6+6=12
6. (a) Write the names of any two types of roof truss. Draw their line diagrams.
(b) What are W.B.M. roads ? Are they suitable for fast moving heavy traffic ? If yes, how ? If no, why ? 6+6=12
7. Write short notes on any four of the following :
(i) Identification of timber
(ii) Brick floors
(iii) Precautions to prevent dampness in buildings
(iv) Curing
(v) Uses of bitumen
(vi) Applications of theodolite
(vii) Elements of road structure