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

–––––––––––––––––

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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