Surveying MCQs
Diaphragm of a surveying telescope is held inside
A) eye-piece
B) objective
C) telescope tube at its mid point
D) telescope at the end nearer the eye-piece
Check Answer
D) telescope at the end nearer the eye-piece
An internal focussing type surveying telescope, may be focussed by the movement of
A) objective glass of the telescope
B) convex-lens in the telescope
C) concave lens in the telescope
D) plano-convex lens in the telescope
Check Answer
C) concave lens in the telescope
In geodetic surveys higher accuracy is achieved, if
A) curvature of the earth surface is ignored
B) curvature of the earth surface is taken into account
C) angles between the curved lines are treated as plane angles
D) none of these
Check Answer
B) curvature of the earth surface is taken into account
Contours of different elevations may cross each other only in the case of
A) an over hanging cliff
B) a vertical cliff
C) a saddle
D) an inclined plane
Check Answer
A) an over hanging cliff
During levelling if back sight is more than foresight
A) The forward staff is at lower point
B) The back staff is at lower point
C) The difference in level, cannot be ascertained.
D) none of these
Check Answer
B) The back staff is at lower point
Two contour lines, having the same elevation
A) cannot cross each other
B) can cross each other
C) cannot unite together
D) can unite together
Check Answer
D) can unite together
To orient a plane table at a point with two inaccessible points, the method generally adopted, is
A) intersection
B) resection
C) radiation
D) two point problem
Check Answer
D) two point problem
The method generally preferred to for contouring an undulating area, is
A) chain surveying
B) plane table surveying
C) tacheometrical surveying
D) compass surveying
Check Answer
C) tacheometrical surveying
For taking offsets with an optical square on the right hand side of the chain line, it is held
A) by right hand upside down
B) by left hand upright
C) by right hand upright
D) by left hand up side down
Check Answer
B) by left hand upright
The constant vertical distance between two adjacent contours, is called
A) horizontal interval
B) horizontal equivalent
C) vertical equivalent
D) contour interval
Check Answer
D) contour interval
