Civil Engineering > GATE 2023 SET-1 > Theodolite Surveying
The direct and reversed zenith angles observed by a theodolite are 56o00'00" and 303o00'00" respectively. What is the vertical collimation correction?
A
+1o00'00"
B
-1o00'00"
C
-0o30'00"
D
+0o30'00"

Correct : d

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