Author: Surveying online Exam -1
Welcome to your surveying Exam-1
For preparation of a contour plan for a route survey
A) Method of squares is used
B) Method of trace contour is used
C) Method of cross profile is used
D) Indirect method of contouring is used
Geodetic surveying is undertaken
A) For production of accurate maps of wide areas
B) For developing the science of geodesy
C) Making use of most accurate instruments and methods of observation
D) All the above
While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is
A) Correctly focused
B) not correctly focused
C) Said to have parallax
D) free from parallax
Pick up the correct statement from the following:
A) the eyepiece plays no part in defining the line of sight
B) the diaphragm plays no part in defining the line of sight
C) the optical center of the objective plays no part in defining the line of sight
C) the optical center of the objective plays no part in defining the line of sight
For the construction of highway (or railway)
A) longitudinal sections are required
B) cross sections are required
C) both longitudinal and cross sections are required
D) none of these
The sensitiveness of a level tube decreases if
A) radius of curvature of its inner surface is increased
B) diameter of the tube is increased
C) length of the vapor bubble is increased
D) both viscosity and surface tension are increased
If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed
A) R/10
B) R/15
C) R/20
D) R/25
Hydro graphic surveys deal with the mapping of
A) large water bodies
B) heavenly bodies
C) mountainous region
D) canal system
The most reliable method of plotting a theodolite traverse, is
A) by consecutive co-ordinates of each station
B) by independent co-ordinates of each station
C) by independent co-ordinates of each station
D) by the tangent method of plotting
True meridians are generally preferred to magnetic meridians because
A) these converge to a point
B) these change due to change in time
C) these remain constant.
D. None of these
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