The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is
A) reciprocal levelling
B) precise levelling
C) differential levelling
D) flying levelling
Correct Answer:
Verified
Q1: Surveys which are carried out to depict
Q2: Magnetic declination at any place
A)remains constant
B)does not
Q4: The horizontal angle between true meridian and
Q5: Ranging in chain survey means
A)looking at an
Q6: Reduced bearing of a line is an
Q7: The magnetic meridian at any point, is
Q8: The zero of the graduated circle of
Q9: Profile levelling is usually done for determining
A)contours
Q10: The line of collimation method of reduction
Q11: A well-conditioned triangle has no angle less
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