?, ? are the horizontal angles measured at the ends of a base line AB to a hill top whose angle of elevation from station A is ?°. The height of the hill top above the trunnion axis of the theodolite station, is
Options
A.
B.
C.
D.
Correct Answer
More questions
1. At the same mean velocity, the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full would be :