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Third Semester B.E. Degree Examination, Dec.2t n.2020
Basic Surveying
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Important Note :
Time: 3 hrs. Max. Marks: 100
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Note: Answer any FIVE fall questions, choosing ONE fall question from each module.Module-1
a. Define and explain plane and Geodetic surveying. (08 Marks)
b. Name and. Explain important sources of Errors in surveying. (06 Marks)
c. Explain the terms Plans and Maps. Mention their application. (06 Marks)
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OR2 a. A field tape, standardized at 20?C measured I00.0056m. Determine the temperature at
which it will he exactly of the nominal length of 100m. Take = 11.2 x 10
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per ?C.
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(06 Marks)b. Name and explain the various instruments for chaining in sur veying. (14 Marks)
Module-2
3 a. Distinguish between prismatic and surveyor's compass. (08 Marks)
b. Name and briefly explain temporary adjustments for prismatic compass. (06 Marks)
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c. Define local attraction and explain the Elimation of local attraction in compass surveying.(06 Marks)
OR
4 a.
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Explain with sketches an open traverse and closed traverse. (06 Marks)b.
Determine the correct magnetic bearings of the liner. The following bearings were observed
in running a closed traverse:
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(14 Marks)Module-3
5 a. Define leveling and explain it. (04 Marks)
b. Describe with neat sketch parts of dumpy level. (16 Marks)
OR
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6 a. Explain the terms mentioning their purpose:i) Station
ii) Back sight
iii) Turning point
iv) Height of Instruments.
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(08 Marks)Line F.B B.B
AB 71? 05' 250' 20'
BC 110? 20' 292?35'
CD 161? 35' 341? 45'
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DE 2200
50' 40? 05'
EA
300
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?50' 121? 10'
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Third Semester B.E. Degree Examination, Dec.2t n.2020
Basic Surveying
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Important Note :
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE fall questions, choosing ONE fall question from each module.
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Module-1a. Define and explain plane and Geodetic surveying. (08 Marks)
b. Name and. Explain important sources of Errors in surveying. (06 Marks)
c. Explain the terms Plans and Maps. Mention their application. (06 Marks)
OR
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2 a. A field tape, standardized at 20?C measured I00.0056m. Determine the temperature atwhich it will he exactly of the nominal length of 100m. Take = 11.2 x 10
-6
per ?C.
(06 Marks)
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b. Name and explain the various instruments for chaining in sur veying. (14 Marks)Module-2
3 a. Distinguish between prismatic and surveyor's compass. (08 Marks)
b. Name and briefly explain temporary adjustments for prismatic compass. (06 Marks)
c. Define local attraction and explain the Elimation of local attraction in compass surveying.
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(06 Marks)OR
4 a.
Explain with sketches an open traverse and closed traverse. (06 Marks)
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b.Determine the correct magnetic bearings of the liner. The following bearings were observed
in running a closed traverse:
(14 Marks)
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Module-35 a. Define leveling and explain it. (04 Marks)
b. Describe with neat sketch parts of dumpy level. (16 Marks)
OR
6 a. Explain the terms mentioning their purpose:
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i) Stationii) Back sight
iii) Turning point
iv) Height of Instruments.
(08 Marks)
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Line F.B B.BAB 71? 05' 250' 20'
BC 110? 20' 292?35'
CD 161? 35' 341? 45'
DE 220
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050' 40? 05'
EA
300
?
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50' 121? 10'1 of 2
b.
A level is set up on an extended line BA in a position 70m from A and 100m from B,
1.684m on a staff held at A and 2.122m on a staff held at B, the bubble having
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carefully brought to the centre of its run before each reading. It is known that the redo:levels of the tops of the pegs at A and B are 89.62m and 89.222m respectively. Find:
i) The Collimation error.
ii) The Reading that would have been obtained has there been no Collimation error.
(12 Marks)
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Module-47 a. Explain the working operations of plane table. (06 Marks)
b. Explain Radiation and Traversing methods of plane table surveying with sketches. (08 Marks)
c. Describe with sketches two-point problem in plane table surveying. (06 Marks)
OR
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8 a. Explain briefly Intersection and Resection Methods of plane table surveying with sketches.(10 Marks)
b. Describe the different Errors in plane table surveying. (10 Marks)
Module-5
a. What are the General methods of determining Areas? (04 Marks',
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b. A series of offsets were taken from a Chain line to a curved boundary line at Intervals of 15meters in the following order 0, 2.65, 3.8, 3.75, 4.65, 3.6, 4.95, 5.85m. Computer the area
between the chain line, the curved boundary and the end offsets by
i) Average ordinate rule
ii) Trapezoidal rule
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iii) Simpson's rule. (16 Marks)OR
10 a. Explain with sketch planimeter. (07 Marks)
b. What are the methods of locating Contours in Surveying? (08 Marks)
c. Explain the calculation of the volume of the capacit y of a reservoir with any one
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relationship. (05 Marks)2 of 2
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