LEVELLING SURVEY - Practice Mode

1) Which column is used for first entry on the level book page?
Correct Answer: Back sight
2) Which column is used for last entry on the level book page?
Correct Answer: Fore sight
3) What is the another name of positive or plus sight in levelling survey?
Correct Answer: Back sight
4) Which levelling rod is used for precise work?
Correct Answer: Invar staff
5) How to calculate the height of collimation?
Correct Answer: R.L of Bench mark + Back sight reading