Related Questions

Triangulation surveys are carried out for providing
A Planimetric control
B Height control
C Both planimetric and height control
D None of these
In triangulation surveys
A The area is divided into triangular figures
B Control stations are located from which detailed surveys are carried out
C Sides are not measured excepting the base line
D All the above
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
The type of line that projects from an object for the express purpose of locating a dimension is a ________ line.
A Visible
B Hidden
C Extension
D Dimension
A diamond locating pin is used in jigs and fixtures because
A Diamond is very hard and wear resistant
B It occupies very little space
C It helps in assembly with tolerance on centre distance
D It has a long life
In direct method of contouring, the process of locating or identifying points lying on a contour is called
A ranging
B centring
C horizontal control
D vertical control
If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is
A Conical locator
B Cylindrical locator
C Diamond pin locator
D Vee locator

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