Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/H f/(H - h) f/(H + h) (H - h)/f f/H f/(H - h) f/(H + h) (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal line is the line joining the principal point and None of these Perspective centre Nadir Isocenter None of these Perspective centre Nadir Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying The zenith is the point on the celestial sphere North of observer South of observer West of observer East of observer North of observer South of observer West of observer East of observer ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on All of these intermediate sight backsight foresight All of these intermediate sight backsight foresight ANSWER DOWNLOAD EXAMIANS APP
Surveying The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called radiation intersection resection traversing radiation intersection resection traversing ANSWER DOWNLOAD EXAMIANS APP
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