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Egs 2102 : Surveying 1 Question Paper

Egs 2102 : Surveying 1

Course:Bachelor Of Science In Geospatial Information Science

Institution: Dedan Kimathi University Of Technology question papers

Exam Year:2013

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DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY
UNIVERSITY EXAMINATIONS 2012/2013
FIRST YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN GEOSPATIAL INFORMATION SCIENCE (GIS) AND GEOMATIC ENGINEERING AND GEOSPATIAL INFORMATION SYSTEMS (GEGIS)

DATE: 29TH JUNE 2013 TIME: 11.00AM – 1.00PM
Answer any three questions. Each question carries the same amount of marks.
1
a. Define surveying (2marks)
b. Surveying may be classified generally into two. Identify and explain them (4 marks).
c. Name the methods in which plane table surveying may be carried out (4 marks).
d. Surveying may be classified according to the application and purpose. Discuss any four (4) of these (8 marks).
e. What is meant by the principle “working from whole to part” in surveying? Why is it necessary? (2 marks)
2
a. With aid of a well labeled diagram, explain the following terms as used in surveying
(8 marks):
i. Level surface
ii. Horizontal surface
iii. Vertical line
iv. Datum surface
b. Name the types of levels used in leveling (4 marks)
c. Discuss the four main uses of leveling (8 marks)
3
a. Define leveling (1 mark)
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b. Sources of error in leveling may be classified into 3 main sources. Discuss them,
giving an example of each (6 marks)
c. Explain the difference in the following terms (6 marks):
i. Simple and differential leveling
ii. Datum and bench mark
iii. Temporary and permanent adjustment
d. Discuss the concept of reciprocal leveling. Why is it useful (7 marks)
4
a. Define altimetry. Why is it necessary (2 marks)
b. Discuss the five methods applied in altimetric heighting (15 marks)
c. Identify the three main factors influencing pressure differences between given points
(3 marks)
5
a. Discuss the methods that may be used in the booking and reducing of levels (6 marks)
b. The differential leveling below was carried out to establish the reduced levels of the
points A-G. The staff was held on the points as shown in the figure and the level placed in
the two positions indicated. Using any of the booking methods, establish the reduced
levels of the points. All units are given in meters (12 marks)
c. Carry out an arithmetic check on the results (2 marks)
F G
E
B C D
BM A
321.70
1.20 1.80 4.66 3.98 5.11
4.30 2.01
4.42
4.72

Egs 2102 : Surveying 1 Question Paper

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