If the staff at the station point is not held vertically, the R.L at the observation would be ______________

If the staff at the station point is not held vertically, the R.L at t

1.	If the staff at the station point is not held vertically, the R.L at the observation would be ______________
A.	Less than true R.L
B.	Greater than true R.L
C.	Equal to the true R.L
D.	Two times the true R.L
Answer» D. Two times the true R.L