Uses of Tachometry

Uses of Tachometry
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1 Answer

Answer :

Tachometry is used for
preparation of topographic map where both horizontal and vertical distances are
required to be measured;
survey work in difficult terrain where direct methods of measurements are
inconvenient;
reconnaissance survey for highways and railways etc;
Establishment of secondary control points.
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Related questions

The type of surveying which requires least office work is (A) Tachometry (B) Trigonometrical levelling (C) Plane table surveying (D) Theodolite surveying

Description : The type of surveying which requires least office work is (A) Tachometry (B) Trigonometrical levelling (C) Plane table surveying (D) Theodolite surveying

Last Answer : (C) Plane table surveying

Explain principle of tachometry survey.

Description : Explain principle of tachometry survey. 

Last Answer : Principle of tachometry is based on principle of similar triangle in which corresponding sides & altitudes are proportional. The ratio of distance of base from apex and length of base is always Constant.  ... f/i= Multiplying constant. f= Focal length of objective. i= Stadia Intercept.

State four objective of tachometry.

Description : State four objective of tachometry.

Last Answer : 1. Preparation of contour maps 2. Used in hydrographic survey 3. Location of roads, railways , reservoir. 4. To enable horizontal and vertical distances to be computed from readings upon a stadia rod in difficult terrain. .