Reconnaissance is best done with the help of
(A) Aerial photographic survey
(B) Cadastral surveys
(C) Topographical surveys
(D) Triangulation surveys

1 Answer

Answer :

Answer: Option A

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Last Answer : (C) Topographical surveys

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Description : Surveys which are carried out to provide a national grid of control for preparation of accurate  maps of large areas are known  (A) Plane surveys  (B) Geodetic surveys  (C) Geographical surveys  (D) Topographical surveys

Last Answer : (B) Geodetic surveys 

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Last Answer : Answer: Option D

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Last Answer : i) Topographic Survey : To determine natural features like river, streams , lakes , hills etc and artificial features like roads , railways , canal , town and villages .  ii) Cadastral ... Mine Survey :To explore mineral deposits and to guide tunneling and other operations associated with mining. 

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Last Answer : Answer: Option A

Description : Defines the terms : i) Survey Station ii) Survey Line iii)Offset iv)Triangulation 

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Last Answer : Ans: (c)

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Last Answer : Ans: (a)

Description : Which one of the following organizations is responsible for publishing topographical sheets? (1) Geological Survey of India (G.S.I.) (2) National Atlas & Thematic Mapping Organisation (N.A. T. M.O.) (3) Indian Meteorological Department (I.M.D.) (4) Survey of India (S.O.I.)

Last Answer : (4) Survey of India (S.O.I.) Explanation: The Survey of India produces a rich "base" of map information through systematic topographical surveys and the use of remote sensing images. ... . These maps provide the preliminary, information about a terrain and thus very useful for engineering works.

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Last Answer : (2) Survey of India Explanation: For most part of India, topographic maps are available which are prepared by the Survey of India. To identify a map of a particular area, a map numbering system has been adopted by Survey of India.

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Description : Pick up the correct statement from the following: (A) The directions of plumb lines suspended at different points in a survey are not strictly parallel (B) In surveys of small extent, the effect of ... of large extent, the effect of curvature of the earth must be considered (D) All the above

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Description : First operation during the detailed survey of a hill road, is (A) Hydrological and soil surveys (B) Adjustment of alignment along with curves (C) Derivation of longitudinal and cross-sections (D) Fixation of Bench Marks

Last Answer : Answer: Option D

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Last Answer : (c) Final location survey*

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Last Answer : (a) To determine technical fenibility of the line*

Description : The project report of the reconnaissance survey should be accompanied by Index map area at a scale of 1 cm = ---- km. (a) 2.5 km* (b) 5.0 km (c) 10.0 km (d) 15.0 km (e) 20.0 km

Last Answer : (a) 2.5 km*

Description : The project report of the reconnaissance survey should be accompanied by a map of the area at a scale of 1 cm= --- km. (a) 2.5 km (b) 5.0 km (c) 10.0 km (d) 15.0 km (e) 20.0 km*

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Description : Which of the instruments is not used in Reconnaissance survey. (a) Prismatic compass (b) Dumpy level * (c) Aneroid Barometer (d) Pedometer

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Description : State the classification of surveys based on i) The nature of the field of survey. ii) The object of survey. 

Last Answer : i)The nature of the field of survey.  1.Land surveying.  2.Marine surveying or Hydrographic surveying.  3.Astronomical surveying.  ii) The object of survey. 1.Geological surveying. 2.Mine surveying. 3.Archaeological surveying. 4. Military surveying. 5. Engineeringsurveying.

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Description : Bergschrund is a topographical feature in (A) Plains (B) Water bodies (C) Hills (D) Glaciated region

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