B.TECH 3
RD SEM.
BUILDING CONSTRUCTION AND
MATERIAL
PAPER: CE -203 –F
DEC - 2012
Note :
Attempt any five questions.
Q.NO. 1 (a).
Draw typical sketches showing the
following, constructed of stone masonry:
(i)
Corbel
(ii)
Cornice
(iii)
Jambs
(iv)
Coping
(v)
Threshold
5×2 = 10
Q.NO. 1 (b).
Explain Double Flemish
bond in one brick thick wall with sketches showing the following:
Plan for
(i)
1
, 3 , 5 , ……………………… courses
(ii)
2
, 4 , 6 , ………………………..courses 5×2
=
10
Q.NO. 2(a) Enumerate different types of partition walls . Explain with sketches any
one type of partition wall suitable for domestic buildings. 10
Q.NO. 2(b)
Explain with the help of sketches
combined footings.
10
Q.NO. 3(a)
Explain the method of
constructing cement concrete flooring.
10
Q.NO. 3(b) Describe in short , with sketches , solid
core flush door or laminated core flush door.
10
Q.NO. 4
(a) Explain various methods used for damp proofing.
10
Q.NO. 4
(b) Describe the method of damp proofing for basement in an area having
high water table. Give a neat sketch. 10
Q.NO. 5(a) Write short notes on :
(i) Reflection of sound and reflecting surfaces.
(ii ) Reverberation. 5×2
= 10
Q.NO. 5(b) What do you understand by absorption of sound ?
How does this take place ? Enumerate various absorptive surfaces. 10
Q.NO. 6(a) What are the desirable qualities of building
stones ? Discuss in berief. 10
Q.NO. 6(b) What are the usual tests which may
be conducted to confirm the suitability of bricks ?
10
Q.NO. 7(a) Define the following :
(i) Calcination
(ii) Quicklime
(iii ) Setting of lime
(iv ) Slaking
(v ) Slaked lime
5×2
=10
Q.NO. 7(b) Explain the composition of Ordinary Portland
Cement . Explain the functions of each ingredient of cement .
10
Q.NO. 8(a) What is
plywood ? What are it’s advantage ?
10
Q.NO. 8(b) Describe briefly the following :
(i) Cement paint,
(ii) Emulsion paint,
5×2
=10
B.TECH 3RD SEM.
FLUID MECHANICS -1
PAPER: CE -205 –F
DEC - 2012
Note: Que. 1 is compulsory.
Q.NO. 1. Explain the
following :
(i) Real and Ideal fluid.
(ii) Free and forced vertex flow.
(iii) Bernoulli’s equation.
(iv) Buckingham theorem.
(v) Similar and Distorted models.
SECTION - A
Q.NO. 2 (a).
Define the fluid.
Explain the various properties of fluid
in detail.
10
Q.NO. 2 (b). Explain the steady and
unsteady , uniform and non uniform flow in detail . 10
Q.NO. 3
A two dimensional flow is described by no velocity components :
u = 5×3 and v = -15x2y
Evaluate the stream function , velocity and acceleration at a point
p ( x = 1m and y = 2m ) 20
SECTION –B
Q.NO. 4.
A piece of wood ( specific gravity = 0.6 ) of 10cm square m
cross section and 2.5m long floats in water. How much head ( specific gravity =
12 ) need to be fastened at the low end of the shok so that it floats upright
with 0.5m length out of water.
20
Q.NO. 5.
A cylindrical buoy is 2m in diameter and 2.5 m long and weight 21.5 Km.
The specific weight of sea water is 10 Km/m3 . Show that the buoy
does not float with it axis vertical. What minimum buel should be applied to
chain attached to the centre of the base to keep the buoy vertical ? 20
SECTION-C
Q.NO. 6. The velocity
distribution in laminar boundary layer over a flat plate is assumed as u = a sin (by) + c , where a , b , and c are
constants. Apply the appropriate boundary conditions and find out the velocity
distribution law .
20
Q.NO. 7. Explain the
constructional detail and working of pitot tubes , venturimeter , orifice meter
, and flow through orifices and mouthpieces in detail.
20
SECTION –D
Q.NO. 8. What is Buckingham’s theorem ? Explain the
importance dimension less numbers and their significance in detail. Also
explain the Similar and Distorted models . 20
Q.NO. 9. Write short note on the following :
(i) Geometric similarity , kinematic similarity , and
Dynamic similarity .
10
(ii) Physical modeling , dimensional analysis.
10
20
What will be the effective length according to these conditions? 2.5+2.5=5
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