An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

An angle of deflection right, may be directly obtained by setting the instrument to read
(A) Zero on back station
(B) 180° on back station
(C) 90°
(D) 270° on back station
by

1 Answer

Answer :

(A) Zero on back station
by

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