Hall Ticket No:
Question Paper Code: A3112
VARDHAMAN COLLEGE OF ENGINEERING
(AUTONOMOUS) B. Tech IV Semester Regular/Supplementary Examinations, May 2018
(Regulations: VCE-R15) SURVEYING-II
(Civil Engineering) Date: 25 May, 2018 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
Write a note on the methods of traversing.
7M
Explain with neat sketches the procedure adopted for setting out buildings.
8M
2.
Describe horizontal angle measurement using theodolite.
7M
Indicating a representative table explain traverse computations by Gales traverse table.
8M
Unit II
3.
What are the constants of a tacheometer and how they are determined in the field.
7M
A tacheometer was setup at an intermediate point on a traverse course PO and the following obervations were made on a staff held vertical. The constants were 100 and 0.3 Compute the length PO and reduced level of Q given RL of P as 350.50m:
Station
Vertical angle
Staff intercept
Axial hair reading
P
+90
2.250
2.105
Q
+60
2.055
1.975
8M
4.
Demonstrate the method of finding the elevation of an inaccessible point using measurement made from 2 stations. The 2 stations are not in same plane as that of the point.
7M
The vertical angles subtended by the top of a tower T at two instrument stations set up at P and are shown in the Fig.1. The two stations are in line with the tower and spaced at a distance of 60 m. Readings taken from these two stations on a levelling staff placed at the benchmark (BM 450.000 are also shown in the figure. Find out reduced level of the top of the tower T from first principles.
Fig.1
8M
Unit III
5.
Explain the method of setting a simple curve using two theodolite method.
7M
Describe the method of setting out simple curve by offsets from the chords produced with sketch, equations and tabulation column. Calculate necessary data to set the simple curve by above method for the radius of 60m and deflection angle of 420.
8M
6.
Derive the different elements of a simple curve.
8M
Two straights AV and BV are intersected by a line MN. The angle AMN and MNB are 30° and 20° respectively. The radius of the first arc is 650 m and that of the second arc is 450m. Find the chainage of the tangent points and the point of compound curvature, given that the chainage of the point of intersection V is 4756m.
7M
Cont…2

Unit IV
7.
Write a note on types of vertical curves.
7M
Derive different elements of a reverse curve between parallel straights having different radii.
8M
8.
What is a reverse curve? Mention the functions of revese curve. Also state the conditions to be fulfilled by a reverse curve.
7M
Two parallel railway lines are to be connected by a reverse curve, each section having the same radius. If the lines are 12m apart and the maximum distance between tangent points measured parallel to the straights is 48m, find the maximum allowable radius.
8M
Unit V
9.
Write a note on components of GIS.
8M
With a neat sketch list the stages in a remote sensing system.
7M
10.
Discuss the advantages of total station when compared with other surveying instruments.
8M
With sketches explain the working principle of GPS.
7M