# CSVTU Exam Papers – BE II Year – Basic Civil Engineering – Dec 2007

BE (2nd Semester)

Examination, Nov-Dec 2007

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

Q.1 (a) what are the nominal length, width and thickness of

(i) Molular brick

(b)Describe the difference among cast iron, wrought iron and steel.

(c)Describe only the geological classification of stones, giving one example of each class;

(d) Give a flow chart to .describe the manufacture of cement by wet process.

Q.2 (a) At which level is the horizontal cutting plane assumed, while

deawing the plan of a building ?

(b)What is the meaning of “M-15 grade concrete”? What are the materials and their proportions

to make M 5 concrete?

(c)(i) What ratio of cement: sand is used for

(ii) Brick masonry

(iii)Plastering of wall

(iv)Plastering of ceiling

(v) Draw approximate sketch of a ” grading curve” of aggregate. What quantities are plotted on

x- axis and y-axis, for this curve ?

(d)Sketch the conventional symbols for representing the following items of any building plan:

(1) Kitchen Sink

(2) Exhaust Fan

(3) Single Leaf Door

(4) Earthing Point

Q.3 (a) Sketch the conventional symbols for representing the following or

a survey map :

(b) (i)What is a Survey of India Toposheet

(ii)Write the names of any four instruments used in C Survey, indicating the use of each

(c) (i)What is “Dip”?

(ii)What is” Declination”?

(iii)Convert following three quadrantal bearings to whole- bearings. S 25° W, N 38° E, S 15°W.

(d)The fore and back bearings of the sides of a closed traverse ABCDE are observed and shown in

This table. – Some of have “local attraction”.

What are the correct bearings?

Line                           fore Bearing              Back Bearing

AB                                       318°                               138°

BC                                        8°                                   189°

CD                                       64°                                 243°

DE                                       163°                                341°

EA                                      221°                                43°

Q4 (a)what is Bench Mark?

(b)  Which lines in a dumpy level are called (1) Bubble Tube Axis Line of Collimation?

How are these two lines and the “Vertical Axis” inter-related?

(c) Four sketches (A, B, C, D) are shown

in fig. 1 which of these sketches (A,B,C,D) correctly show a Ridge, a Valley, a Hill and a

Pond respectively?    Fig.1

(d)  Determine the reduced levels of the staff stations B.C.D t with the level-book observations given below. Use any mi for calculation. Apply arithmetical check. – Staff station Back sight Inter sight Fore sight R.L. (metre) Remarks

A                      2.71                 ————–                         204.67

B                      —-                   1.68                —

C                      0.94                                          1.36               T.P./C.P.

D                            ———- 2.18                 —-

E                      —                    —                     3.27

Q5. (a) What do we mean by “Ultimate Bearing Capacity” of a soil?

(b)State the reasons for providing “Foundation” below a building.

(c )Describe the “Load Bearing Wall” type and ” Framed” type of constructions of buildings.

(d)Make a sketch of “Under-reamed pile” foundation for supporting the wall of a building

on   black-cotton soil.