To mark position of station …………. is used.

Related MCQs

• A staff reading taken on a bench mark or a point of known elevation is called
• The levelling should always commence from a temporary bench mak and end on a permanent bench mark.
• If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is
• If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
• The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be
• The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
• 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
• The direction of a true meridian at a station is invariable.
• The strength of 'fix' of a plane table from three known points is good if the middle station is
• The method of reiteration of measuring horizontal angles is generally preferred when several angles are to be measured at a particular station.