The instrument used for accurate centering in plane table survey is

Related MCQs

• After fixing the plane table to the tripod, the main operations which are needed at each plane table station are i) levelling ii) orientation iii) centering The correct sequence of these operations is
• What instrument is used for centering the table?
• Survey lines must be as few as possible is the condition to be fulfilled by survey lines or survey stations.
• 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.
• The strength of 'fix' of a plane table from three known points is poor if the instrument station is near the great circle.
• The temporary adjustments of a prismatic compass are i) Centering ii) Levelling iii) Focusing the prism The correct order is
• The main lines should form well-conditioned triangles is the condition to be fulfilled by survey lines or survey stations.
• An angle measured clockwise from the proceeding survey line to the following survey line is called
• The method of plane tabling commonly used for establishing the instrument stations only, is a
• In plane tabling, the instrument used to measure horizontal and vertical distances directly, is known as