If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
A. true R.L.
B. more than true R.L.
C. less than true R.L.
D. none of the above
Answer:C
If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
A. true R.L. B. more than true R.L. C. less than true R.L. D. none of the above