List any four modern survey instruments.

1 Answer

Answer :

Following are the modern survey instruments.

1. Digital Level

2. Electronic Distance Meter (EDM)

3. Micro-optic Theodolite

4. Total Station

5. Global Positioning System (GPS) Device

6. Aerial Camera

7. Remote Sensors

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Description : State any four advantages of total station over dumpy level and theodolite.

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Description : What is GPS. State any four uses of GPS

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Description : State four objective of tachometry.

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Description : Describe any one method of orientation of plane table surveying

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Description : Define Latitude and Departure. 

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Description : Define Swinging & Transiting

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Description : Define tacheometry. State the principle of tacheometry with sketch.

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Description : Define grade contour. Give the procedure to locate grade contour on contour map with suitable sketch.

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Description : State any two situations under which tacheometry is preferred. 

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Description : Write the use of Gale’s table.

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Description : Give the simplest method of finding the area of zero of a zero circle from manufacturers table.

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Description : What is a contour map? Write any two objects of preparing contour map.

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Description : In a contour map, if contours are crossing each other, what will be nature of topography? Draw the sketch to support your answer.

Last Answer : If contours are crossing or intersecting each other, then there is overhanging cliff as shown in figure 1 below.

Description : State the possible error while using planimeter for finding area of an irregular figure.

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Description : What are the additive and multiplying constants of planimeter?

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Description : Describe the use of digital theodolite for measurement of horizontal and vertical angle.

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