A fixed point of reference of known elevation is called

Related MCQs

• A relatively fixed point of known elevation above datum, is called
• In order to fix up the directions of the survey lines in the compass survey, the horizontal angle between the survey line and a fixed line of reference is measured. This fixed line reference is the magnetic meridian.
• A staff reading taken on a point whose elevation is to be determined as on a change point is called.
• An arbitrary surface with reference to which the elevation of points are measured and compared, is called
• A staff reading taken on a bench mark or a point of known elevation is called
• If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will
• 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
• 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 line joining the points having the same elevation above the datum surface, is called a
• The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be