

Surveying - Engineering
Q1: The 'fix' of a plane table station with three known points, is bad if the plane table station liesA
in the great triangle
B
outside the great triangle
C
on the circumference of the circumscribing circle
D
none of these.
ANS:C - on the circumference of the circumscribing circle The correct answer should be 'B', cause when instrument point "nearer to the circumference" of great circle then fix is bad. And when it is "on the circumference" of the great triangle instrument point will be indeterminate.
We draw lines to the three points and draw circle joining these three points. |


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