PTU Punjab Technical University B-Tech May 2019 Question Papers 3rd Semester Civil Engineering (CIV)
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(CE) (2011 Onwards) (Sem.?3)
SURVEYING
Subject Code : BTCE-304
M.Code : 56075
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
1.
Answer briefly :
a) Explain the topographical map.
b) What are the different tallies used in a Metric chain?
c) What do you mean by reduced bearing?
d) What do you mean by Transiting in Theodolite Surveying?
e) What is changing face in Theodolite Surveying? What are the different steps involved
in it?
f) Describe Versed Sine.
g) Explain Principle of Surveying with valid reasons.
h) Can Contours cut each other at any point? Write your answer with reasons.
i) What do you mean by Back Sight Orientation?
j) Explain basic principle of Triangulation.
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SECTION-B
2.
Explain Levelling with the three Screw Levelling head.
3.
A 30m chain used to measure the length of a line was tested before the line was measured
and was found to be 29.95m long. The line was measured and the length was recorded as
590.48m. The chain was tested again and was found to be 30.08m long. Find the true
length of the line.
4.
Draw a curve and describe minimum 10 elements in it.
5.
What are the various corrections that can be applied in Base Line measurement?
6.
What do you mean by Designation of Curve? Explain its various different methods.
SECTION-C
7.
A tacheometer was set up at station P and observations were made to a staff held normal
to the line of sight over point Q. The vertical angle measured was 6?36'. The three hair
readings were 1.905, 2.480 and 3.055. The reading from P, with the line of sight
horizontal to a BM of RL 852.55 was 1.855. If the instrument constants are 100 and 0.5,
find the RL of Q.
8.
a) Explain direct methods of locating contours.
b) Describe various methods of interpolating the contours.
9.
a) The following bearings were observed with a compass. Calculate the interior angles :
Line
Fore Bearing
AB
60?30'
BC
122?3'
CD
46?0'
DE
205?30'
EA
300?0'
b) Explain various methods to eliminate the effects of local attraction.
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