A method of differential levelling is used in order to find the difference in elevation between two points when

Related MCQs

• It is required to find the difference in elevation between two points A and B. During levelling, it is found that the staff reading at B is more than the staff reading at A. It indicates that the point A is
• The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is
• Which of the following type of levelling is necessary across a river ravine or any obstacle requiring a long site between two points?
• To find the true difference of level between two points, the level should be kept
• An imaginary line joining the points of equal elevation on the surface of the earth, represents
• Determining the relative positions of points on above or beneath the surface of the earth by means of direct or indirect measurements of distance and direction and elevation is called as _________
• The points on a contour gradient will have the same elevation.
• The line joining the points having the same elevation above the datum surface, is called a
• An arbitrary surface with reference to which the elevation of points are measured and compared, is called
• The temporary adjustments of a prismatic compass are i) Centering ii) Levelling iii) Focusing the prism The correct order is