Related Questions

Triangulation surveys are carried out for locating
A Control points for surveys of large areas
B Control points for photogrammetric surveys
C Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.
D All the above
Triangulation surveys are carried out for providing
A Planimetric control
B Height control
C Both planimetric and height control
D None of these
The necessary geometrical condition for triangulation adjustment is:
A The sum of the angles around a station should be 360°
B The sum of the three angles of a plane triangle should be 180°
C The sum of the eight angles of a braced quadrilateral should be 360°
D All the above
The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
A Satellite station
B Eccentric station
C False station
D Pivot station
The method of surveying by triangulation was first introduced by the Dutchman Snell in
A 1600
B 1615
C 1630
D 1650
The station where observations are not made, but the angles at the station are used in triangulation series, is known as
A Satellite station
B Subsidiary station
C Pivot station
D Main station
Hydrographic surveys deal with the mapping of -------.
A large water bodies
B mountainous
C canal system
D movement of clouds

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