The height of instrument is equal to -
(a) reduced level of bench mark + back sight
(b) reduced level of bench mark + fore sight
(c) reduced level of bench mark + intermediate sight
(d) back sight + fore sight.
The correct Answer Is
(a) reduced level of bench mark + back sight
(a) reduced level of bench mark + back sight
(b) reduced level of bench mark + fore sight
(c) reduced level of bench mark + intermediate sight
(d) back sight + fore sight.
The correct Answer Is
(a) reduced level of bench mark + back sight