POKHARA UNIVERSITY
Semester – Spring
Level: Bachelor
Programme: BE
Course: Surveying II
Year
: 2009
Full Marks : 100
Pass Mark : 45
Time
: 3 hrs
Candidates are required to give their answers in their own words as far
as practicable.
The figures in the margin indicate full marks.
Attempt all the questions.
1. a.
b.
Explain characteristics of contours with suitable examples.
What are the factors which controls choosing of proper contour
interval? Explain various method of contouring.
2. a.
Explain stadia and tangential systems of techeometry. Write the
working principle of a subtense bar.
b.
A tachometer was set up at station an M and the following readings
were observed on a vertically held staff :
Station Staff station
Vertical angle Hair reading Remarks
M
BM
N
- 2º28’
+ 7º13’
2.225 2.550 2.875
1.648 2.516 3.393
7
8
7
8
RL of BM=1375.324
Calculate the horizontal distance from M to N and R.L. of N, if the constant
of the instrument were 100 and 0.1.
3. a.
b.
Find elements of simple circular curves.
Two tangents intersect at chainage (59+10.3), the deflection angle
being 50030''. Calculate the necessary data for setting out a curve of
15 chains radius to connect the two tangents if it is intended to set out
the curve by offsets from tangents. Take peg interval equal to 1
chain, length of chain being equal to 20 metres.
6
9
4. a.
How do you find the discharge of a river? Describe at least two
methods.
What do you mean by sounding? Explain three methods of locating
sounding positions.
Define any four :
i. Vertical photograph
ii. Oblique photograph
iii. Flying height
8
b.
5. a.
1
7
8
b.
6.
7.
iv. Nadir point
v. Forward and side overlap
Derive an expression to find the scale of a vertical photograph.
a.
b.
What do you mean by GIS? Explain their uses in civil engineering.
What are active and passive remote sensing? Write the methods of
image interpretation.
Write short notes on (Any Two):
a. Transition curve
b. Stereoscopic vision and stereoscope
c. Use of computer software in surveying and contouring
2
7
8
7
2×5