Surveying
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as

contour interval
contour gradient
horizontal equivalent
contour line

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Surveying
Transit rule of adjusting the consecutive coordinates of a traverse is used where

All of these
angular measurements are more accurate than linear measurements
linear measurements are more accurate than angular measurements
linear and angular measurements of the traverse are of equal accuracy

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Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the eight angles of a braced quadrilateral should be 360°
The sum of the angles around a station should be 360°
All listed here
The sum of the three angles of a plane triangle should be 180°

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Surveying
Pick up the incorrect statement from the following. In a spherical triangle

Every angle is less than two right angles
Sum of any two sides is greater than the third
Sum of the three angles is equal to two right angles
Sum of the three angles less than six right angles and greater than two right angles

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