For removing the parallex,
A) the eye-piece should be focussed for distinct vision of cross-hairs
B) the image of the object should be brought in the plane of cross-hairs
C) either (a) or (b)
D) both (a) and (b)
Correct Answer:
Verified
Q9: A series of straight parallel and equally
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Q12: Levelling deals with measurements in a _
A)Horizontal
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Q15: An imaginary line joining the point of
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Q17: Collimation method is used in
A)profile levelling
B)differential levelling
C)check
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