App Logo

No.1 PSC Learning App

1M+ Downloads
If the fore bearing and back bearing of a line do not differ by 180°,then either one or both the ends of line, are affected by:

ADeclination

BManipulation error

CLocal attraction

DNone of the above

Answer:

C. Local attraction


Related Questions:

An optical square works on the principle that
The accidental error of chain of length 'L' is proportional to:
One of the duties of leader in chain surveying is:
A series of closely spaced contour lines represent:
The for bearing of a line is 185 degree, then it's back bearing is: