Saturday, December 26, 2015

University Of Pune Question Paper,SURVEYING – I,2010 Question Paper,S.E. (Civil) (Semester – II)

University Of Pune Question Paper,SURVEYING – I,2010 Question Paper,S.E. (Civil) (Semester – II)
University Of Pune Question Paper
S.E. (Civil) (Semester – II) Examination, 2010
SURVEYING – I
(2003 Course)
Time : 3 Hours Max. Marks : 100
 Instructions : 1) Answers to the two Sections should be written in separate
books.
2) Neat diagrams must be drawn wherever necessary.
3) Black figures to the right indicate full marks.
4) Use of logarithmic tables slide rule, Mollier charts, electronic
pocket calculator and steam tables is allowed.
5) Assume suitable data, if necessary.
6) Solve Q. 1 or 2, Q. 3 or 4, Q. 5 or 6 from Section I and
Q. 7 or 8, Q. 9 or 10, Q. 11 or 12 from Section II.
SECTION – I
1. a) Explain with a neat sketch, the two peg method of testing and adjustment of a
dumpy level. 6
b) Explain in detail the procedure of levelling of a dumpy level. Draw a neat sketch
to justify your answer. 6
c) The following observations were made during the testing of a dumpy level. 6
Instrument at Staff readings on
A B
A 2.400 1.300
B 2.300 1.400
Is the instrument in adjustment ? If not determine the error. If R.L. of A is
200.00 m, determine the R.L. of B.
OR
2. a) Explain in brief the permanent adjustment of making the axis of bubble tube
perpendicular to vertical axis. 6
b) Write in brief about special points of Auto level. 6
c) Explain in detail the procedure of measurement of Horizontal angle by repetition
 method using 20 ′′ vernier transit theodolite. 6
3. a) Differentiate between Bowditch’s Rule and Transit Rule for adjustment of a
closed traverse. 4
b) How would you determine omitted measurement when length and bearing of
one side of closed traverse is omitted ? 6
c) Define Deflection angle. Also write in detail the procedure of measurement of
deflection angle using 20 ′′ vernier transit theodolite. (Draw a neat sketch). 6
OR
4. a) Define the following terms : 6
1) Vertical Axis
2) Double sighting
3) Plunging the Telescope
4) Trunion Axis
b) Write a short note on checks in an open Traverse survey. 6
c) State the functions of following parts of a Theodolite : 4
i) Optical plumet
ii) Clip screw
iii) Shifting head
iv) Lower tangent screw.
5. a) Define Interpolation of contours. State various methods of interpolation. Explain
any one in brief. 6
b) What considerations would you have while selecting the contour interval ? 4
c) A staff was held vertically at a distance of 125 m and 50 m from the centre of
a tachometer. The staff intercepts with the telescope horizontal were 1.248
and 0.498 respectively. Calculate the constants of a tachometer. 6
OR
6. a) What do you understand by tacheometric survey ? What is the utility of this
method in the field ? 4
b) Describe in detail the field procedure of determining the constants of a
tacheometer. 4
c) A tacheometer was set up at an intermediate point between two stations A and
B and the following observations were made on a vertically held staff
Staff station Vertical Angle Staff readings
A °+ 34 0′ 1.605, 2.400, 3.195
B °− 42 5′ 0.805, 1.345, 1.885
The instrument is fitted with an anallatic lens having a multiplying constant of
100. Compute the length AB and the R.L. of point B, if that of A was 395.400 m.
The instrument and staff points are in one straight line. 8
SECTION – II
7. a) Draw the neat sketches of the following : 4
1) Simple circular curve
2) Compound curve
3) Reverse curve
4) Transition curve
b) Write a note on obstacles in setting out curves. 4
c) Two straights of a road intersect at a chainage of 110°. Taking chord length of
30 m, calculate the following : 8
1) Radius of curve
2) Length of curve
3) Tangent length
4) Length of the Long chord
5) Chainage at the starting point and end point.
OR
8. a) Draw a neat sketch of a compound curve and show its various elements. 4
b) What is the necessity of transition curve ? What are their different forms ? 4
c) Two straights AB and BC intersect at an inaccessible point B. To connect
them through a simple curve two points D and E are selected on line AB and
BC respectively. The distance DE = 180 m and the angle ADE = 145° and
CED = 165° respectively. Calculate the suitable radius, given that the distance
AD = 120 m and the points A and C are the tangent points. 8
9. a) State the various formulae to calculate the length of a transition curve and also
state the meanings of the terms involved. 6
b) Describe the procedure of setting out a simple circular curve by offset from
Chord produced. 8
c) What is meant by transition curves ? What are their advantages and disadvantages ?
4
OR
10. a) Two straights intersects at an angle of 130°. The maximum allowable speed
on the curve is 60 kmph. If the allowable rate of change of radial acceleration
is 30 cm/sec3
 and the centrifugal ratio is 0.25, calculate the radius of the circular
curve and length of the transition curve. 8
b) Write a short note on vertical curves. 6
c) Write a short note on location and uses of Reverse curves. 4
11. a) Describe with the help of a neat sketch, ‘strength of Fix’. 8
b) Explain in detail the direct method of contouring. 4
c) Explain in detail the profile levelling. 4
OR
12. a) State the three point problem. Explain how it is solved by tracing paper method. 8
b) What is meant by orientation in plane table survey ? State the methods of it.
Explain any one in brief. 4
c) Write a short note on Grade contour. 4
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Wednesday, December 9, 2015

2011 Question Paper,S.E. (Civil) (Semester – II),University Of Pune Question Paper,CONCRETE TECHNOLOGY

2011 Question Paper,S.E. (Civil) (Semester – II),University Of Pune Question Paper,CONCRETE TECHNOLOGY
University Of Pune Question Paper
S.E. (Civil) (Semester – II) Examination, 2011
CONCRETE TECHNOLOGY
(2003 Course)
Time: 3 Hours Max. Marks: 100
Instructions : 1) Answer three questions from Section I and three questions
from Section II.
2) Answers to the two Sections should be written in separate
books.
3) Neat diagrams must be drawn wherever necessary.
4) Black figures to the right indicate full marks.
5) Use of electronic pocket calculator is allowed.
6) Assume suitable data, if necessary.
7) Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6 from Section I
and Q. 7 or Q.8, Q.9 or Q.10, Q.11 or Q.12 from
Section II.
SECTION – I
1. a) Write a short note on Hydration of cement. 6
b) Write short notes on :
i) Hydrophobic cement ii) Oil well cement. 6
c) What is bulking of sand ? Explain the field test to determine the extent of
bulking of sand. 6
OR
2. a) State the Bogue’s compound along with their percentage by mass of cement
and function of each. 6
b) What is fineness modulus of aggregate ? How will you find Fineness
modulus of coarse aggregate in laboratory ? 6
c) Explain the classification of aggregates in the basis of
i) Origin ii) Shape iii) Unit weight. 6
3. a) Enlist the properties of concrete in plastic state and hardened state. 4
b) Define workability of concrete and explain slump test in brief. 6
c) Write a brief note on creep of concrete. 6
OR
4. a) Draw and explain the compressive stress-strain curve of concrete. 4
b) Describe the types of vibrator used for compaction of concrete. 6
c) Write a short note on :
i) Shrinkage ii) Swelling of concrete. 6
5. a) Discuss the importance of mix-design. 4
b) What do you mean by nominal mix, standard mix and design mix ? 6
c) Briefly outline the D.O.E. method of concrete mix design. 6
OR
6. a) What do you mean by 4
i) Mean strength ii) Variance
iii) Standard deviation iv) Coefficient of variation ?
b) Briefly outline the I.S. Code method of concrete mix-design. 6
c) What are the factors which influences the choice of mix proportion ? 6
SECTION – II
7. a) What is prepacked concrete ? 4
b) Explain the effect of cold weather concreting. 6
c) Explain three types of polymer concrete. 6
OR
8. a) Explain how high performance concrete differs from high performance
concrete. 4
b) Write a short notes of light weight concrete and its advantages. 6
c) State and explain three types of self-compacting concrete. 6
9. a) Write any eight functions of admixtures. 4
b) Write a short note on pozzolanic admixtures. 6
c) Write a short note on indirect tension test. 6
OR
10. a) Write a short note on impact echo test. 4
b) Write a short note on analysis of fresh concrete. 6
c) Write a short note on. 6
i) pull out test ii) Effect of sea water on concrete.
11. a) Write a short notes on : 6
i) Chloride attack ii) Evaluation of cracks.
b) Explain in detail-permeability and factors affecting permeability of the
concrete. 6
c) Write short notes on : 6
i) shotcrete ii) repair by stitching
OR
12. a) Write a detailed note on carbonation of concrete. 9
Write short note on
b) Sulphate attack. 4
c) Corrosion of reinforcement. 5
——————

S.E. (Civil) (Semester – II),University Of Pune Question Paper,2011 Question Paper,FLUID MECHANICS – I

S.E. (Civil) (Semester – II),University Of Pune Question Paper,2011 Question Paper,FLUID MECHANICS – I
University Of Pune Question Paper
S.E. (Civil) (Semester – II) Examination, 2011
FLUID MECHANICS – I
(2003 Course)
Time : 3 Hours Max. Marks : 100
 Instructions: i) Answer three question from Section I and three questions from
Section II.
ii) Answer to the two Sections should be written in separate
answer booklet.
iii) Neat diagrams must be drawn wherever necessary.
iv) Black figures to the right indicate full marks.
v) Your answer will be valued as a whole.
vi) Use of electronic pocket calculator is allowed.
vii) Assume suitable data if necessary.
SECTION – I
1. a) A skater weighing 800 N skates at 54 km/hr on ice at zero degree centigrade.
The average skating area supporting him is 10 cm2
 and the effective dynamic
co-efficient of friction between the skates and ice ins 0.02. If there is actually
a thin film of water between the skates and the ice, determine its average
thickness. 9
b) What is surface Tension ? What is the unit of it ? Do you think it’s a line force ?
Derive the expression of pressure intensity for a droplet and sphere. 9
2. a) Derive the hydrostatic law showing pressure at any point below free surface is
given by p = Yh. 4
b) Draw the neat sketch of a Micro Manometer. 4
c) Derive the Continuity Equation in three dimensions in Cartesian co-ordinate. 8
3. a) What is flow net ? Prove that in any flow net the stream lines and equipotential
lines are orthogonal to each other. 4
b) Write in detail about Siphon along with necessary equations. 4
c) Derive the expression of Discharge for a ‘V’ notch. Is end contraction applicable
to ‘V’ notches ? Do you think velocity of approach can be considered in ‘V’
notch ? 8
4. a) Define orifice and state what is Vena Contracta ? Derive that coefficient of
velocity is equal to x/(4hy)0.5, where x and y are the co-ordinates and ‘h’ is
the head for the flow ? 8
b) Draw the neat sketch of a Venturimeter and show all the parts. 4
c) Draw the neat sketch of a Pitot Tube and state the importance of it. What do
you mean by stagnation point ? 4
5. a) A solid circular cylinder of radius ‘r’ and height ‘h’ is floating in water. The
specific gravity of the material of the cylinder is 0.64. Find the minimum ratio
r/h for which the cylinder will float in water with its axis vertical and it will be
just stable. 8
b) A plane flow has velocity components u = x/T, v = –y/T and w = 0, where T
is the constant having the dimension of time. Is the flow incompressible ? 8
SECTION – II
6. a) Write in details about Buckingham- π Theorem. 6
b) Discuss about Reynold’s Model Law. 6
c) The discharge over a hydraulic structure is a function of velocity, head of
water, depth and acceleration due to gravity. Find the ‘ π’ terms. How many
repeating variables will be there ? 6
7. a) Discuss in detail about the flow between two parallel plates, (both the plates
are at rest). Give your comment about the shear stresses at the lower and
upper plate. Find the relation between the maximum velocity and the average
velocity. 8
b) An oil of mass density 950 kg/m3
 and dynamic viscosity 1.5 poise is pumped
through a 100 mm diameter pipe. The length of the pipe is 600 m. The flow
rate is 0.01 m3
/s.
Calculate the Reynolds Number of the flow. What would be the power input if
the overall efficiency of the pump is 75% ? 8
8. a) Velocity distribution in a turbulent flow of water through a 60 cm diameter
pipe is given by [v = 3 + (1/3) loge
y] where ‘V’ is the velocity at a distance ‘y’
normal to the pipe boundary. The shear stress at a point 12 cm from the
boundary is 25 N/cm2. Calculate the Prandtl’s Mixing Length coefficient. 8
b) Prove that for Turbulent flow the velocity distribution in rough pipes the
expression is
V/V * = 5.75 log10 (y/k) + 8.5
The symbols stand for their usual meanings. 8
9. a) u/U = Sin (Πy / 2δ ). Determine the energy thickness ** δ . 8
b) What do you mean by separation of Boundary Layer ? Describe it with the
help of a diagram. What do you mean by adverse pressure gradient ? Is it
good for fluid flow ? 8
10. a) Derive Hagen-Poiseuille Equation for laminar flow through a circular pipe.
Express it in terms of both discharge and average velocity. 8
b) Explain Prandtl’s Mixing length theory along with diagram. 4
c) Explain in detail about Moody’s diagram. Do you think for higher Reynolds
number the friction factor is not dependent on ‘Re’ ? Give your answer with
valid logic. 4
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