Civil Engineering - Surveying - Discussion

2. 

Pantagraph is used for

[A]. measuring distances
[B]. measuring areas
[C]. enlarging or reducing plans
[D]. setting out right angles

Answer: Option C

Explanation:

No answer description available for this question.

Mahendra said: (May 26, 2014)  
It is a minor instrument, and also it is working on the principle if similar triangles, by that way from the basis of similar triangles it will enlarge or reduce the maps.

Shubham said: (Jul 19, 2018)  
Pantagraph is a minor instrument used for reproducing the map (whether to enlarge or to reduce). It works on the principle of the parallelogram.

Bikash said: (Mar 26, 2020)  
Pantagraph and eidograph are used to enlarge/reduce plan and planimeter is used to measure the area.

Arnav Gupta said: (Apr 3, 2020)  
Based on the proportional properties of the edges of the similar triangles divided within a four-bar parallelogram linkage is pantagraph. Used to enlarge, reduce and copying drawings.

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