The area of any irregular figure of the plotted map is measured with pentagraph

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Question
The area of any irregular figure of the plotted map is measured with
Options
A. pentagraph
B. sextant
C. clinometer
D. planimeter
E. optical square

Correct Answer

planimeter

Surveying problems

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4. Pick up the correct statement from the following :
Options
A. an observation or the resulting reading with the level on a levelling staff is called sight
B. a back sight is the first sight taken after setting up the instrument in any position
C. the first sight on each change point is a fore sight
D. the second sight on each change point is a back sight
E. all the above.

5. In a precision traverse, included angles are measured by setting the vernier
Options
A. to read zero exactly on back station
B. to read 5� exactly on back station
C. some where near zero and reading both verniers on back station
D. all the above.

9. The length of a traverse leg may be obtained by multiplying the latitude and
Options
A. secant of its reduced bearing
B. sine of its reduced bearing
C. cosine of its reduced bearing
D. tangent of its reduced bearing.

10. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in
Options
A. chain surveying
B. traverse method of surveys
C. triangulation
D. none of these.

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