Total No. of Questions 10]
[Total No. of Pages 3
[5353] 106
T.E. (Civil)
ADVANCED SURVEYING
(2012 Pattern)
Time :2½ Hours] [Max. Marks :70
Instructions to the candidates:
Answer Q.No.1 or Q.No. Q. No. 3 or Q.No. Q.No. 5 or Q.No. Q.No. 7 or
Q.No. Q.No. 9 or Q.No. 10.
Neat diagrams must be drawn whenever necessary.
Figures to the right indicate full marks.
Assume suitable data, if necessary.
P3243
SEAT No.
P.T.O.
[5353] 106 2
Q4) Explain the three point problem and method of solution of three point
problem using Tracing paper.
Enlist the methods of setting out of tunnel; explain anyone with a neat
sketch.
Q5) Define with example
Direct and indirect observation
ii) Independent and conditioned quantity
iii) Observation equation and conditioned equation
Explain stepwise procedure of computations of sides of spherical triangle
by spherical trigonometry.
The following angles are measured at a station closing the horizon. The
values of the angles are:
A 77°14'20" weight 4
B 49°40'35" weight 3
C 53°04'52" weight 2
Give the corrected values of the angles. (Use method of correlates)
OR
Q6) Define:
True error,
ii) Most probable value,
iii) Conditioned Quantity,
iv) Residual error,
Weight of an observation.
What kinds of error in triangulation adjustment? Explain in detail.
Find the most probable values of the angles B and C of a triangle
ABC from the following observations. (Use method of differences)
Angle Weight
Angle A 65° 30" 3
Angle B 51° 11'25" 2
Angle C 63° 34" 4
[5353] 106 3
Q7) Define the following terms with sketch:
Principal point, ii) Scale,
iii) Air base distance, iv) Digital elevation model.
The scale of aerial photograph is 1 10000, effective at an average elevation
of terrain of 500 m. The size of aerial photograph is 230mm x 230mm.
Focal length of camera lens is 20 cm. Speed of aircraft is 180 kmph,
longitudinal overlap is 60% and side overlap is 30%. Determine the number
of photographs required to cover an area of 30kmx22.5 km. Also
determine exposure interval and flying height.
OR
Q8) Derive an expression for Relief displacement due to ground.
A pair of photograph is taken with a camera having focal length 15 cm.
The scale of photography is 1 10000 and photo base is 5.65 cm. The
measured parallax of a vertical control point having an elevation 140 m is
87.28 mm. Compute the elevation of another point P whose measured
parallax is 84.18 mm.
Q9) Define remote sensing. State how it differs from Photogrammetry.
Give the application of remote sensing with respect to natural hazards.[4]
What is GIS? State various GIS software's and Explain how remote
sensing and GIS are linked.
OR
Q10)a) State and explain various components of GIS.
Differentiate between raster data and vector data.
Explain Remote sensing applications in disaster management with suitable
example.