PTU Punjab Technical University B-Tech May 2019 Question Papers 4th Semester Civil Engineering (CIV)
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(CE) (2011 Onwards) (Sem.?4)
GEOMATICS ENGINEERING
Subject Code : BTCE-401
M.Code : 56083
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt ANY FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt ANY T WO questions.
SECTION-A
Q1 Answer briefly :
a. Define remote sensing.
b. What is an Angle of Parallax?
c. Explain atmospheric windows.
d. Draw schematic diagram of geodimeter.
e. What is WGS-84?
f. Define radiometric resolution.
g. How is vertical angle measurement made with the help of Total Station?
h. Write any two characteristics of Earth Resources Satellite.
i. Differentiate between Crab and Drift.
j. Name various sensors on board of Indian Remote sensing satellites (IRS).
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SECTION- B
2.
What do you understand by spatial data and attribute data? How are they integrated to
make a GIS?
3.
What do you understand by across track scanning? Explain with neat diagram.
4.
Write a short note on common ERRORS encounter during use of GPS.
5.
Explain the concept of stereoscopic measurement.
6.
A vertical photograph is taken with a camera of focal length 350 mm from an elevation of
2500m above the ground. The terrain is nearly flat. What is the photo scale?
SECTION-C
7.
The difference in parallax between a point living at sea level and another point on a
higher ground is measured and found to be 4.20mm. The flying height is 2530m above
sea level, the air base is 950m and the focal length of the camera is 210 mm. Determine
the elevation of the point on the higher ground.
8.
Why atomic clocks are used in GPS survey? Name and explain any two segments of
GPS system.
9.
Discuss in brief salient features of Meteorological satellites.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 04 November 2019