A lemniscate curve will not be transitional throughout, if its deflection angle, is

If whole circle bearing of a line is 120°, its reduced bearing is

Total latitude of a point is positive if it lies

If L is in kilometres, the curvature correction is

The staff intercept will be

To avoid large centering error with very short legs, observations are generally made

Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by

In chain surveying, perpendiculars to the chain line, are set out by

The zero of the graduated circle of a prismatic compass is located at

The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to

To avoid large centering error with very short legs, observations are generally made

The area of any irregular figure of the plotted map is measured with

Pick up the correct statement from the following :

Prolongation of chain line across an obstruction in chain surveying, is done by

A sewer is laid from a manhole A to a manhole B,m away along a gradient of 1 inIf the reduced level of the invert at A is 205.m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is

For indirect ranging, number of ranging rods required, is

If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for

If h is the difference in height between end points of a chain of length l, the required slope correction is

Horizontal distances obtained tacheometerically are corrected for

During secular variation of magnetic meridian at different places

Ranging is an operation of

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at

The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called

The rise and fall method of reduction of levels, provides a check on

Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying

Check lines (or proof lines) in Chain Surveying, are essentially required

The Huygen's telescope eye piece

The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known

If the whole circle bearing of a line is 180°, its reduced bearing is

Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying

If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is

Designation of a curve is made by :

The line of collimation method of reduction of levels, does not provide a check on

Total latitude of a point is positive if it lies

Pick up the correct statement from the following :

The boundary of water of a still lake, represents

An angles ofwith a chain line may be set out with

Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed
(where k is in kilometers.)

The line of collimation method of reduction of levels, does not provide a check on

In tangential tacheometry, an ordinary level staff is used

Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed
(where k is in kilometers.)

Correction per chain length oflinks along a slope having a rise of 1 unit in n horizontal units, is

Pick up the correct statement from the following :

Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known

If the radius of a simple curve ism, the maximum length of the chord for calculating offsets, is taken

Diaphragm of a surveying telescope is held inside

Pick up the correct statement from the following :

The curvature of the earth's surface, is taken into account only if the extent of survey is more than

The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as