90) 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

91) Bowditch rule is applied to

92) If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the

93) If the reduced bearing of a line AB is N60?W and length is 100 m, then the latitude and departure respectively of the line AB will be

94) The angle between the prolongation of the preceding line and the forward line of a traverse is called