Consider the following surveys
i) Reconnaissance survey
ii) Preliminary survey
iii) Traffic survey
iv) Location survey
The correct sequence in which these surveys are conducted before the alignment of a track is finalised is

A. Stop B. Proceed C. Proceed cautiously D. None of the above

A. 25 mm B. 40 mm C. 50 mm D. 10mm

A. 12 m and 12 m B. 12 m and 13 m C. 13 m and 12 m D. 13 m and 13 m

A. 2 B. 3 C. 4 D. none of the above