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Surveying - 2 - Dec 2014
Civil Engineering (Semester 4)
TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
Solve any four of the following.
1 (a) Draw a neat sketch of simple circular curve & show all elements.(5 marks)
1 (b) Explain use of computer in surveying.(5 marks)
1 (c) Explain principle of EDM.(5 marks)
1 (d) Explain field method to determine the constant of a techeometer?(5 marks)
1 (e) Differentiate between land survey and construction survey?(5 marks)
2 (a) Describe the principle of techeometry and differentiate between fixed hair method and movable hair method of techeometry.(8 marks)
2 (b) A fixed hair techeometer fitted with an anallatic lens with instruments constant of 100, was used to determine the slope between point P&Q. The following reading were taken. If the staff was held vertically, compute the gradient from P & Q.
Inst station | Staff station | Bearing | Reading of Stadia hair | Reading of axial hair | Vertical angle |
A | P | 345° | 0.915 2.585 | 1.75 | +15° |
Q | 75° | 0.760 3.715 | 2.24 | +10° |
Write notes on
6 (a) Total station.(5 marks) 6 (b) GPS and Remote sensing.(5 marks) 6 (c) Subtense bar method.(5 marks) 6 (d) Use of laser in surveying.(5 marks)