LEVELLING SURVEY - Practice Mode

1) What type of level does not require any protection from the sun?
Correct Answer: Automatic level
2) What is the process of levelling while the difference of level between two points is determined by setting the levelling instrument mid way the point?
Correct Answer: Simple levelling
3) What is the term of sight, if the last sight taken on a levelling staff held over a point of unknown elevation before shifting the instruments?
Correct Answer: Fore sight
4) What is the term of sight, if the sight taken between the back sight and fore sight on a levelling staff held over a point of unknown elevations?
Correct Answer: Intermediate sight
5) What is the level that combine good features both the dumpy level and 'y' level?
Correct Answer: Cooke's reversible level
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