To orient a plane table at a point roughly south of the mid-point of two inaccessible conical hill
stations and in the plains, a point is selected in line with AB and table is oriented at by
bringing ab in line with AB. A ray is then drawn towards and at the table is oriented by back
ray method. The orientation so obtained, is
(A) Unique and correct
(B) Incorrect
(C) Manifold and correct
(D) Not reliable
stations and in the plains, a point is selected in line with AB and table is oriented at by
bringing ab in line with AB. A ray is then drawn towards and at the table is oriented by back
ray method. The orientation so obtained, is
(A) Unique and correct
(B) Incorrect
(C) Manifold and correct
(D) Not reliable