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EDM is used for
Isogonic lines are lines having same
The instrument used for the measurement of slope of ground is
The invar tape is made up of
If bearing of OA =32° and bearing of OB =112° then
The difference between back bearing and fore bearing is
The horizontal projection of the lines of earth's magnetic field at a point defines
The reduced bearing of the reading 252° is
The plotting of small areas which can be commanded from a single station is usually done on the plane table by the method of:
An angle measured clock wise from the proceeding survey the following survey line is called
The top of a plane table made of
The principle of chain surveying is to divide the area to be surveyed in to network of
A theodolite fitted with ... is used for tacheometry
Plotting by coordinates is ....... than plotting by direction and length
In a theodolite the line of collimation and the axis of telescope are
The effect of refraction is ---------- of that of the curvature
Levelling should always commence from a
Two theodolite method of setting out a curve involves
The plotting of small areas which can be commanded from a single station, is usually done on the plane table by the method of
Geodetic survey is applied if the area to be surveyed is more than
The length of an arrow should be
Process of orientation means setting up the table
Which of the following is not used in measuring perpendicular offsets
The best method of solving three point problem is
Levelling should always commence from a
Contour lines of different elevations can unite to form one line,only in the case of:
An optical square works on the principle that
First sight taken on turning point:
The accidental error of chain of length 'L' is proportional to:
The line joining tie stations are called:
An obstacle which obstructs chaining but not vision:
Indirect ranging using Theodolite is called:
Method of ranging adopted in Forest areas.
The needle of magnetic compass is generally supported on a
In plane tabling, the instrument used to measure horizontal and vertical distance directly is known as:
In plane geometry the sum of angles of a triangle in two right angles, where as in spherical geometry it always:
Setting out of a simple curve by two theodolite method eliminates:
The curves used for drawing lines between points in a contour line is:
Trigonometric levelling is also called:
Which of the below is not a temporary adjustment of the prismatic compass
Preliminary survey plans are prepared to a scale maximum scale of:
If the field temperature is lower than that at which the tape was calibrated, it results in:
GTS stands for:
Metallic tapes are made of:
Cumulative errors are proportional to:
Which of the following hydrometer correction cannot take negative value:
To fix the position of moving boat, microwave system is used. The equipment which uses this system is:
The map shows general topography of the area and details are represented symbolically is:
The principle of chain survey is:
Which one is used for setting an offset at right angle?