CSVTU Exam Question Paper – BE II SEM – Basic Civil Engineering – Dec 2006

BE (2nd Semester)

Examination, Nov-Dec  2006

                                                                                                                                 Basic Civil Engineering

(AEI, Arch., Bio Med., Bio Tech., Chem,, Civil, CSE, Elect., EEE, El, ET & T, IT, Mech., Mett., Mining Engg. Branch)

                                                                              UNIT-I

1  (a) How are rocks physically classified ?

(b) What are the constituents of good brick earth.

2  (a) Draw the flow diagram for mixing of raw materials by dry process and wet process for

the manufacture of ordinary cement.

(b)Why is the popularity of stones as building material going down?

3. (a)  Enumerate the properties and use of wrought iron.

(b) Describe about the Vicat needle apparatus used for the determination of initial set time

of cement.

UNIT-II

4. (a) Suggest the type of mortar for the following works:

(i)Damp proof courses     (ii)Plaster work

(iii)Pointing work               (iv)Reinforced brick work

(v)C.C. roads ,                     (vi)General RCC work

(vii)Partition wali               (vii)Masonary work

(b) What is meant by puring of concrete? What are its purposes?

5 (a).Define and explain workability of concrete?

(b) Draw a detailed cross section of a wall showing its foundation, plinth, initial, slab and

chhajja.

6 Write notes on:

(i)Coarse and fine aggregate.

(ii)   Fineness modulus.

(iii) Nominal mix proportions.

(iv)  Slump test.

 UNIT-III

7. (a) What are’ offsets? How they are taken?

(b)Distinguish between

(i)True meridian and magnetic meridian,

(ii) Local attraction and declination.

8.The following bearing were taken in traversing with a in a place where local attraction

was suspected:

Line                F.B. B.B.                 B.B

AB              S 45°30’E                 N 45°30’W

BC              S 60°00’E                  N 60°40’W

CD              S 5°30’E                 N 3°20’W

DA              S 83°30’E              S 85°00rE

Determine the correct fore and back bearings of each of the lines.

9.(a) Give the conventional signs for the followings:

(i)Road                        (ii)Embankment

(iii)Barren land          (iv)Railway bridge

(b) The following bearings are given; calculate in each case the angle BAC.

AB                            AC

(i)                                     N 25°35’E               N 85015rE

(ii)                                  N 40°30rW            N 46° OE

(iii)                                 N 70°0’E                 S 10°0’W

(iv)                                 N 45°45rW            N 60°0’W

UNIT-IV

10.   Draw a neat sketch of dumpy level and explain its parts.

11. The following consecutive readings were taken with a level and a 4 m staff on a

continuously  sloping ground at a common interval of 30 m.

0.780, 1.535, 1.955, 2.430, 2.985. 3.480, 1.155, 1.960, 2.365, 3.640, 0.935, 1.045, 1.630 and 2.545.

The reduced levels of the points’ by the collimation method. Also calculate the gradient of the line joining the first and the last point.

12.Enumerate the uses of the contour and illustrate one such use with sketch.

Unit-V

 

13.(a) Discuss various function served by foundations.

(b) What are the requirements of a good foundation?

14. What do you understand by raft foundation? Explain with the help of sketches common

types of raft foundation.

15. (a) What are the problems of foundation on black cotton soils?

(b) Define safe bearing capacity and ultimate bearing capacity of soil

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